{"@attributes":{"version":"2.0"},"channel":{"title":"liyun's blog","description":"\u4e0d\u79ef\u8dec\u6b65\uff0c\u65e0\u4ee5\u81f3\u5343\u91cc\uff1b\u4e0d\u79ef\u5c0f\u6d41\uff0c\u65e0\u4ee5\u6210\u6c5f\u6d77","link":"https:\/\/tsmliyun.github.io\/","pubDate":"Mon, 23 Nov 2020 17:37:22 +0000","lastBuildDate":"Mon, 23 Nov 2020 17:37:22 +0000","generator":"Jekyll v3.9.0","item":[{"title":"\u5173\u4e8e\u6570\u636e\u5e93\u9501\u7684\u603b\u7ed3","description":"<h2 id=\"\u524d\u8a00\">\u524d\u8a00<\/h2>\n\n<p>\u672c\u6587\u4e3b\u8981\u662f\u5728\u603b\u7ed3MySQL\u6570\u636e\u5e93\u9501\u65f6\uff0c\u8bb0\u5f55\u7684\u4e00\u4e9b\u7b14\u8bb0\u3002<\/p>\n\n<h3 id=\"\u6309\u9501\u7684\u7c92\u5ea6\u5212\u5206\">\u6309\u9501\u7684\u7c92\u5ea6\u5212\u5206<\/h3>\n\n<p>\u5206\u4e3a\uff1a\u884c\u9501\u3001\u9875\u9501\u3001\u8868\u9501<\/p>\n\n<p>\u9501\u5b9a\u7684\u7c92\u5ea6\u8d8a\u5c0f\uff0c\u53d1\u751f\u9501\u51b2\u7a81\u7684\u6982\u7387\u8d8a\u4f4e\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7684\u5e76\u53d1\u5ea6\u8d8a\u9ad8 \uff1b\u4f46\u662f\u5bf9\u4e8e\u9501\u7684\u5f00\u9500\u6bd4\u8f83\u5927\uff0c\u52a0\u9501\u4f1a\u6bd4\u8f83\u6162\uff0c\u5bb9\u6613\u51fa\u73b0\u6b7b\u9501\u3002<\/p>\n\n<h3 id=\"\u884c\u9501\u7684\u4e09\u79cd\u7c7b\u578b\">\u884c\u9501\u7684\u4e09\u79cd\u7c7b\u578b<\/h3>\n\n<h4 id=\"record-lock-\u5355\u4e2a\u8bb0\u5f55\u4e0a\u7684\u9501\">Record Lock \u5355\u4e2a\u8bb0\u5f55\u4e0a\u7684\u9501<\/h4>\n\n<p>\u5bf9\u7d22\u5f15\u9879\u52a0\u9501\uff0c\u5982\u679cinnodb\u5f15\u64ce\u7684\u8868\u5728\u5efa\u7acb\u7684\u65f6\u5019 \u6ca1\u6709\u8bbe\u7f6e\u4efb\u4f55\u7d22\u5f15 \u90a3\u4e48\u8fd9\u65f6\u5019\u5bf9InnoDB\u5b58\u50a8\u5f15\u64ce\u4f1a\u7528\u9690\u6027\u7684\u4e3b\u952e\u6765\u8fdb\u884c\u9501\u5b9a\u3002<\/p>\n\n<h4 id=\"gap-lock-\u95f4\u9699\u9501\">Gap Lock \u95f4\u9699\u9501<\/h4>\n\n<p>\u5bf9\u7d22\u5f15\u9879\u4e4b\u95f4\u7684\u95f4\u9699\u52a0\u9501\uff0c\u8bbe\u8ba1\u76ee\u7684\uff1a\u4e3a\u4e86\u89e3\u51b3\u5e7b\u8bfb\uff0c\u5229\u7528\u8fd9\u79cd\u9501\u6280\u672f\uff0c\u9501\u5b9a\u7684\u4e0d\u662f\u5355\u4e2a\u503c\uff0c\u800c\u662f\u4e00\u4e2a\u8303\u56f4\u3002<\/p>\n\n<h4 id=\"next-key-lock\">Next-key lock<\/h4>\n\n<p>\u5219\u662f\u524d\u9762\u4e24\u79cd\u7684\u7ec4\u5408\uff0c\u5bf9\u7d22\u5f15\u9879\u4ee5\u5176\u4e4b\u95f4\u7684\u95f4\u9699\u52a0\u9501\u3002<\/p>\n\n<blockquote>\n  <p>\u53ea\u6709\u5728\u53ef\u91cd\u590d\u8bfb\u6216\u4ee5\u4e0a\u7684\u9694\u79bb\u7ea7\u522b\u4e0b\u7684\u7279\u5b9a\u64cd\u4f5c\u624d\u4f1a\u53d6\u5f97gap lock\u6216\u8005 next-key lock\uff0c\u5728select update delete\u65f6\uff0c\u9664\u4e86\u57fa\u4e8e\u552f\u4e00\u7d22\u5f15\u7684\u67e5\u8be2\u4e4b\u5916\uff0c\u5176\u4ed6\u7d22\u5f15\u90fd\u4f1a\u83b7\u53d6gap lock \u6216\u8005 next-key lock\uff0c\u5373\u9501\u4f4f\u626b\u63cf\u7684\u8303\u56f4\u3002<\/p>\n<\/blockquote>\n\n<h3 id=\"\u4ece\u6570\u636e\u5e93\u7684\u7ba1\u7406\u89d2\u5ea6\u533a\u5206\">\u4ece\u6570\u636e\u5e93\u7684\u7ba1\u7406\u89d2\u5ea6\u533a\u5206<\/h3>\n\n<p>\u5171\u4eab\u9501\u548c\u6392\u4ed6\u9501 \uff0c\u5373\u8bfb\u9501\u548c\u5199\u9501<\/p>\n\n<h4 id=\"\u5171\u4eab\u9501\">\u5171\u4eab\u9501<\/h4>\n\n<p>\u4e5f\u53eb\u8bfb\u9501\u6216\u8005S\u9501\u3002<\/p>\n\n<p>\u5171\u4eab\u9501\u7684\u8d44\u6e90\u53ef\u4ee5\u88ab\u5176\u4ed6\u7528\u6237\u8bfb\u53d6\uff0c\u4f46\u662f\u4e0d\u80fd\u4fee\u6539\uff1b\u5728select\u65f6\uff0c\u4f1a\u5c06\u5bf9\u8c61\u8fdb\u884c\u5171\u4eab\u9501\u9501\u5b9a\uff1b\u8bfb\u53d6\u5b8c\u6bd5\u65f6\uff0c\u5c31\u4f1a\u91ca\u653e\u9501\uff0c\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u6570\u636e\u5728\u8bfb\u53d6\u65f6\u4e0d\u4f1a\u88ab\u4fee\u6539\u3002<\/p>\n\n<pre><code class=\"language-mysql\">lock table xxx read;\n\nunlock table;\n\n<\/code><\/pre>\n\n<p>\u5171\u4eab\u9501\u51fa\u73b0\u6b7b\u9501\u7684\u539f\u56e0\uff1a\u591a\u4e2a\u4e8b\u52a1\u5bf9\u540c\u4e00\u6570\u636e\u83b7\u5f97\u8bfb\u9501\u7684\u65f6\u5019\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u6b7b\u9501\u3002<\/p>\n\n<h4 id=\"\u6392\u4ed6\u9501\">\u6392\u4ed6\u9501<\/h4>\n\n<p>\u4e5f\u53eb\u72ec\u5360\u9501\uff0c\u5199\u9501\u6216\u8005X\u9501\u3002<\/p>\n\n<p>\u6392\u5b83\u9501\uff0c\u9501\u5b9a\u7684\u6570\u636e\u53ea\u5141\u8bb8\u8fdb\u884c\u9501\u5b9a\u7684\u4e8b\u52a1\u4f7f\u7528\uff1b\u5176\u4ed6\u4e8b\u52a1\u65e0\u6cd5\u5bf9\u5df2\u9501\u5b9a\u7684\u6570\u636e\u8fdb\u884c\u67e5\u8be2\u548c\u64cd\u4f5c\u3002<\/p>\n\n<pre><code class=\"language-mysql\">lock table xxx write;\n\nunlock table;\n\n<\/code><\/pre>\n\n<h3 id=\"\u4ece\u7a0b\u5e8f\u5458\u7684\u89d2\u5ea6\u533a\u5206\">\u4ece\u7a0b\u5e8f\u5458\u7684\u89d2\u5ea6\u533a\u5206<\/h3>\n\n<p>\u53ef\u4ee5\u5c06\u9501\u5212\u5206\u4e3a\u4e50\u89c2\u9501\u548c\u60b2\u89c2\u9501\u3002<\/p>\n\n<h4 id=\"\u4e50\u89c2\u9501\"><strong>\u4e50\u89c2\u9501<\/strong><\/h4>\n\n<p>\u4e50\u89c2\u9501\u8ba4\u4e3a\u5bf9\u540c\u4e00\u6570\u636e\u7684\u5e76\u53d1\u64cd\u4f5c\u4e0d\u4f1a\u603b\u53d1\u751f\uff0c\u6301\u4e50\u89c2\u6001\u5ea6\uff0c\u5c5e\u4e8e\u5c0f\u6982\u7387\u4e8b\u4ef6\uff1b<\/p>\n\n<p>\u4e0d\u9700\u8981\u6bcf\u6b21\u90fd\u5bf9\u6570\u636e\u4e0a\u9501\uff0c\u4e5f\u5c31\u662f\u4e0d\u91c7\u7528\u6570\u636e\u5e93\u81ea\u8eab\u7684\u9501\u673a\u5236\uff0c\u800c\u662f\u901a\u8fc7\u7a0b\u5e8f\u6765\u5b9e\u73b0\uff1b<\/p>\n\n<p><strong>\u5728\u7a0b\u5e8f\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u7528\u7248\u672c\u53f7\u673a\u5236\u6216\u8005\u65f6\u95f4\u6233\u673a\u5236\u6765\u5b9e\u73b0\uff1b \u5176\u5b9e\u5c31\u662f\u7a0b\u5e8f\u5c42\u9762\u63a7\u5236<\/strong><\/p>\n\n<p>\u4e0d\u4f1a\u5b58\u5728\u6b7b\u9501\u7684\u95ee\u9898\uff0c\u4f46\u662f\u963b\u6b62\u4e0d\u4e86\u7a0b\u5e8f\u4e4b\u5916\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/p>\n\n<p>\u4e3b\u8981\u7684\u5b9e\u73b0\u65b9\u5f0f\uff1a<\/p>\n\n<p>1.<strong>\u7248\u672c\u53f7\u673a\u5236<\/strong><\/p>\n\n<p>\u65b0\u589eversion\u5b57\u6bb5,\u7b2c\u4e00\u6b21\u8bfb\u53d6\u7684\u65f6\u5019\u4f1a\u83b7\u53d6version\u7684\u503c\uff0c\u7136\u540e\u5bf9\u6570\u636e\u8fdb\u884c\u66f4\u65b0\u548c\u5220\u9664\u64cd\u4f5c\u65f6\uff0c\u4f1a\u8fdb\u884c\u7248\u672c\u53f7\u7684\u6bd4\u5bf9\uff1b<\/p>\n\n<p>\u5982\u679c\u7248\u672c\u53f7\u4e00\u81f4\uff0c\u5219\u4fee\u6539\u6570\u636e\uff0c\u5e76\u5c06\u7248\u672c\u53f7+1\uff1b\u5982\u679c\u7248\u672c\u53f7\u4e0d\u4e00\u81f4 \u5219\u4fee\u6539\u5931\u8d25\u3002<\/p>\n\n<p>2.<strong>\u65f6\u95f4\u6233\u673a\u5236<\/strong><\/p>\n\n<p>\u5176\u9053\u7406\u548c\u7248\u672c\u53f7\u4e00\u6837\u3002<\/p>\n\n<h4 id=\"\u60b2\u89c2\u9501\">\u60b2\u89c2\u9501<\/h4>\n\n<p><strong>\u5b9e\u9645\u4e0a\u662f\u4e00\u79cd\u601d\u60f3\uff0c\u5bf9\u6570\u636e\u88ab\u5176\u4ed6\u7684\u4e8b\u52a1\u4fee\u6539\u6301\u4fdd\u5b88\u6001\u5ea6 \u4f1a\u901a\u8fc7\u6570\u636e\u5e93\u81ea\u8eab\u7684\u9501\u673a\u5236\u6765\u5b9e\u73b0\uff0c\u4fdd\u8bc1\u6570\u636e\u64cd\u4f5c\u7684\u6392\u4ed6\u6027<\/strong><\/p>\n\n<p>\u5bf9\u6570\u636e\u51b2\u7a81\u6301\u6709\u60b2\u89c2\u7684\u6001\u5ea6\uff0c\u5219\u8ba4\u4e3a\u80af\u5b9a\u4f1a\u51b2\u7a81\uff0c\u90a3\u4e48\u5728\u6bcf\u6b21\u6570\u636e\u8bfb\u53d6\u7684\u65f6\u5019\u5c06\u6570\u636e\u9501\u4f4f\uff1b\u4e4b\u540e\u6240\u6709\u7684\u64cd\u4f5c\u8bfb\u53d6\u64cd\u4f5c\u90fd\u9700\u8981\u7b49\u5f85\uff1b<\/p>\n\n<p>\u6570\u636e\u5e93\u5c42\u9762\u5b9e\u73b0\uff0c\u963b\u6b62\u4e00\u5207\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/p>\n\n<h3 id=\"\u5e38\u89c1\u7684\u6b7b\u9501\u95ee\u9898\">\u5e38\u89c1\u7684\u6b7b\u9501\u95ee\u9898<\/h3>\n\n<p>\u5fc5\u8981\u6761\u4ef6\uff1a\u4e92\u65a5\uff0c\u5360\u6709\u4e14\u7b49\u5f85\uff0c\u4e0d\u53ef\u5f3a\u5360\u7528\uff0c\u5faa\u73af\u7b49\u5f85\u3002<\/p>\n\n<h3 id=\"\u89e3\u51b3\u6b7b\u9501\u7684\u65b9\u6cd5\">\u89e3\u51b3\u6b7b\u9501\u7684\u65b9\u6cd5<\/h3>\n\n<p><strong>\u6700\u4f73\u65b9\u5f0f\u5c31\u662f\u9632\u6b62\u6b7b\u9501\u7684\u53d1\u751f\u3002<\/strong><\/p>\n\n<p>\u6ce8\u610f\u7684\u4e00\u4e9b\u7ec6\u8282\uff1a<\/p>\n\n<ol>\n  <li>\n    <p>\u4e0d\u8981\u5c06\u65e0\u5173\u7684\u64cd\u4f5c\u653e\u8fdb\u4e8b\u52a1\u91cc\uff0c\u5c0f\u4e8b\u52a1\u53d1\u751f\u6b7b\u9501\u7684\u6982\u7387\u5f88\u4f4e\uff1b<\/p>\n  <\/li>\n  <li>\n    <p>\u5982\u679c\u4e0d\u540c\u7684\u7a0b\u5e8f\u4f1a\u540c\u65f6\u64cd\u4f5c\u591a\u4e2a\u8868\uff0c\u5e94\u5c3d\u91cf\u7ea6\u5b9a\u4ee5\u76f8\u540c\u7684\u987a\u5e8f\u6765\u8bbf\u95ee\u8868\uff0c\u8fd9\u6837\u4e8b\u52a1\u5c31\u4f1a\u5f62\u6210\u826f\u597d\u7684\u5b9a\u4e49\u7684\u67e5\u8be2\uff1b<\/p>\n  <\/li>\n  <li>\n    <p>\u5c3d\u91cf\u6309\u7167\u7d22\u5f15\u53bb\u67e5\u6570\u636e\uff0c\u8303\u56f4\u67e5\u627e\u589e\u52a0\u4e86\u9501\u7684\u53ef\u80fd\u6027\uff1b<\/p>\n  <\/li>\n  <li>\n    <p>\u5bf9\u4e8e\u975e\u5e38\u5bb9\u6613\u4ea7\u751f\u6b7b\u9501\u7684\u4e1a\u52a1\u90e8\u5206\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u5347\u7ea7\u9501\u7684\u7c92\u5ea6\uff1b<\/p>\n  <\/li>\n  <li>\n    <p>\u66f4\u65b0\u8868\u65f6\uff0c\u5c3d\u91cf\u4f7f\u7528\u4e3b\u952e\u66f4\u65b0\uff1b<\/p>\n  <\/li>\n  <li>\n    <p>\u8bbe\u7f6e\u9501\u7b49\u5f85\u8d85\u65f6\u53c2\u6570\uff0c\u901a\u8fc7\u8bbe\u7f6e innodb_lock_wait_timeout \u53c2\u6570\uff0c\u8bbe\u7f6e\u5408\u7406\u7684\u7b49\u5f85\u9608\u503c\uff1b\u5728\u9ad8\u5e76\u53d1\u7684\u4e1a\u52a1\u4e2d\uff0c\u5c3d\u91cf\u5c06\u8be5\u503c\u8bbe\u7f6e\u7684\u5c0f\u4e00\u70b9\uff0c\u907f\u514d\u5927\u91cf\u4e8b\u52a1\u7b49\u5f85\uff0c\u5360\u7528\u7cfb\u7edf\u8d44\u6e90\uff0c\u9020\u6210\u4e25\u91cd\u7684\u6027\u80fd\u5f00\u9500\uff1b<\/p>\n  <\/li>\n  <li>\n    <p>Innodb\u63d0\u4f9b\u4e86wait-for graph\u7b97\u6cd5\u6765\u4e3b\u52a8\u8fdb\u884c\u6b7b\u9501\u68c0\u6d4b\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7innodb_deadlock_detect = on \u6253\u5f00\u6b7b\u9501\u68c0\u6d4b\u3002<\/p>\n  <\/li>\n<\/ol>\n","pubDate":"Tue, 24 Nov 2020 00:00:00 +0000","link":"https:\/\/tsmliyun.github.io\/mysql\/%E5%85%B3%E4%BA%8E%E6%95%B0%E6%8D%AE%E5%BA%93%E9%94%81%E7%9A%84%E6%80%BB%E7%BB%93\/","guid":"https:\/\/tsmliyun.github.io\/mysql\/%E5%85%B3%E4%BA%8E%E6%95%B0%E6%8D%AE%E5%BA%93%E9%94%81%E7%9A%84%E6%80%BB%E7%BB%93\/","category":["MySQL","MySQL"]},{"title":"\u963f\u809d\u6b63\u4f20\u4e4bRedis\u54e8\u5175\u673a\u5236\uff08\u4e00\uff09","description":"<h2 id=\"\u524d\u8a00\">\u524d\u8a00<\/h2>\n\n<p>Redis\u4e3b\u4ece\u540c\u6b65\u662f\u63d0\u5347\u4e86\u53ef\u7528\u6027\uff0c\u4ece\u5e93\u6302\u4e86\uff0c\u8fd8\u6709\u591a\u4e2a\u4ece\u5e93\u53ef\u4ee5\u4f7f\u7528\u3002\u4f46\u662f\u5982\u679c\u4e3b\u5e93\u6302\u4e86\uff0c\u8be5\u600e\u4e48\u529e\u5462\uff1f<\/p>\n\n<p>\u8fd9\u5c31\u8981\u63d0\u5230\u54e8\u5175\u673a\u5236\u4e86\u3002\u5728Redis\u4e3b\u4ece\u96c6\u7fa4\u4e2d\uff0c\u54e8\u5175\u673a\u5236\u662f\u5b9e\u73b0\u4e3b\u4ece\u5e93\u81ea\u52a8\u5207\u6362\u7684\u5173\u952e\u673a\u5236\uff0c\u6709\u6548\u7684\u89e3\u51b3\u4e86\u4e3b\u4ece\u590d\u5236\u6a21\u5f0f\u4e0b\u6545\u969c\u8f6c\u79fb\u7684\u95ee\u9898\u3002<\/p>\n\n<h2 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id=\"\u81ea\u52a8\u5207\u6362\">\u81ea\u52a8\u5207\u6362<\/h3>\n\n<p>\u4e3b\u5e93\u6302\u4e86\u4e4b\u540e\uff0c\u54e8\u5175\u9700\u8981\u4ece\u591a\u4e2a\u4ece\u5e93\u91cc\uff0c\u6309\u7167\u4e00\u5b9a\u89c4\u5219\uff0c\u9009\u4e3e\u4e00\u4e2a\u4ece\u5e93\u4e3a\u4e3b\u5e93\u3002<\/p>\n\n<h3 id=\"\u901a\u77e5\">\u901a\u77e5<\/h3>\n\n<p>\u54e8\u5175\u4f1a\u5c06\u65b0\u7684\u4e3b\u5e93\u4fe1\u606f\u53d1\u9001\u7ed9\u5176\u4ed6\u4ece\u5e93\uff0c\u8ba9\u4ed6\u4eec\u6267\u884creplicaof\u547d\u4ee4\uff0c \u548c\u65b0\u4e3b\u5e93\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u8fdb\u884c\u6570\u636e\u590d\u5236\u3002<\/p>\n\n<p>\u540c\u65f6\u65b0\u7684\u4e3b\u5e93\u4fe1\u606f\u4f1a\u901a\u77e5\u7ed9\u5ba2\u6237\u7aef\uff0c\u8ba9\u4ed6\u4eec\u5c06\u65b0\u7684\u8bf7\u6c42\u53d1\u9001\u5230\u65b0\u4e3b\u5e93\u4e0a\u3002<\/p>\n\n<h2 id=\"\u4e3b\u89c2\u4e0b\u7ebf\u548c\u5ba2\u89c2\u4e0b\u7ebf\">\u4e3b\u89c2\u4e0b\u7ebf\u548c\u5ba2\u89c2\u4e0b\u7ebf<\/h2>\n\n<p>\u4e0a\u9762\u6211\u4eec\u63d0\u5230\uff0c\u54e8\u5175\u8fdb\u7a0b\u4f1a\u901a\u8fc7PING\u547d\u4ee4\u68c0\u6d4b\u5b83\u548c\u4e3b\u4ece\u5e93\u7f51\u7edc\u7684\u8fde\u63a5\u72b6\u51b5\uff0c\u7528\u6765\u5224\u65ad\u793a\u4f8b\u7684\u72b6\u6001\u3002<\/p>\n\n<p>\u5982\u679c\u68c0\u6d4b\u7684\u662f\u4ece\u5e93\uff0c\u7b80\u5355\u7684\u6807\u8bb0\u4e3a\u201c\u4e3b\u89c2\u4e0b\u7ebf\u201d\u5373\u53ef\uff0c\u56e0\u4e3a\u4ece\u5e93\u4e0b\u7ebf\u5f71\u54cd\u4e0d\u5927\uff0c\u96c6\u7fa4\u5bf9\u5916\u670d\u52a1\u4e0d\u4f1a\u95f4\u65ad\u3002<\/p>\n\n<p>\u5982\u679c\u68c0\u6d4b\u7684\u662f\u4e3b\u5e93\uff0c\u5219\u4e0d\u80fd\u8f7b\u6613\u6807\u8bb0\u4e3a\u201c\u4e3b\u89c2\u4e0b\u7ebf\u201d\u3002\u56e0\u4e3a\u54e8\u5175\u5b58\u5728\u8bef\u5224\u7684\u60c5\u51b5\uff0c\u4e3b\u5e93\u5176\u5b9e\u6ca1\u6709\u6545\u969c\u3002\u4f46\u662f\u4e00\u65e6\u5f00\u542f\u4e86\u4e3b\u4ece\u5207\u6362\uff0c\u540e\u7eed\u7684\u9009\u4e3b\u548c\u901a\u77e5\u64cd\u4f5c\u90fd\u4f1a\u5e26\u6765\u989d\u5916\u7684\u8ba1\u7b97\u548c\u901a\u4fe1\u5f00\u9500\u3002<\/p>\n\n<p><strong>\u90a3\u4e48\u5982\u4f55\u51cf\u5c11\u8bef\u5224\u5462\uff1f<\/strong><\/p>\n\n<p>\u901a\u5e38\u4f1a\u91c7\u7528\u591a\u5b9e\u4f8b\u7ec4\u6210\u7684\u96c6\u7fa4\u6a21\u5f0f\u8fdb\u884c\u90e8\u7f72\uff0c\u4e5f\u5c31\u662f\u54e8\u5175\u96c6\u7fa4\u3002<\/p>\n\n<p>\u5f15\u5165\u591a\u4e2a\u54e8\u5175\u5b9e\u4f8b\u4e00\u8d77\u5224\u65ad\uff0c\u53ef\u4ee5\u907f\u514d\u5355\u4e2a\u5b9e\u4f8b\u56e0\u81ea\u8eab\u7f51\u7edc\u72b6\u6001\u4e0d\u597d\uff0c\u800c\u5bfc\u81f4\u8bef\u5224\u7684\u60c5\u51b5\u3002\u5f53\u5927\u591a\u6570\u7684\u54e8\u5175\u5b9e\u4f8b\u90fd\u5224\u65ad\u4e3b\u5e93\u4e3a\u201c\u4e3b\u89c2\u4e0b\u7ebf\u201d\u65f6\uff0c\u4e3b\u5e93\u624d\u4f1a\u88ab\u6807\u8bb0\u4e3a\u201c\u5ba2\u89c2\u4e0b\u7ebf\u201d\u3002\u9075\u5faa\u539f\u5219\u201c\u5c11\u6570\u670d\u4ece\u591a\u6570\u201d\u3002<\/p>\n\n<h2 id=\"\u5982\u4f55\u9009\u62e9\u65b0\u4e3b\u5e93\">\u5982\u4f55\u9009\u62e9\u65b0\u4e3b\u5e93\uff1f<\/h2>\n\n<p>\u8fd9\u91cc\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e2a\u6d41\u7a0b\u56fe\uff1a<\/p>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/Redis\u54e8\u5175\u9009\u4e3b\u7b5b\u9009\u8bc4\u5206.jpg\" alt=\"Redis\u54e8\u5175\u9009\u4e3b\u7b5b\u9009\u8bc4\u5206\" \/><\/p>\n\n<p>\u4e3b\u8981\u7684\u8fc7\u7a0b\u5c31\u662f\u7b5b\u9009\u548c\u6253\u5206\u3002<\/p>\n\n<h3 id=\"\u7b5b\u9009\">\u7b5b\u9009<\/h3>\n\n<p>\u4fdd\u8bc1\u6240\u9009\u62e9\u7684\u4ece\u5e93\u4ecd\u7136\u5728\u7ebf\u8fd0\u884c\uff0c\u5176\u6b21\u8fd8\u8981\u5224\u65ad\u4e4b\u524d\u7684\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u3002\u5982\u4f55\u5224\u65ad\u5462\uff1f\u6709\u4e2a\u914d\u7f6e\u9879<code class=\"language-plaintext highlighter-rouge\">down-after-milliseconds<\/code>,\u662f\u4e3b\u4ece\u5e93\u65ad\u8fde\u7684\u6700\u5927\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\u3002\u5728\u8fd9\u4e2a\u65f6\u95f4\u5185\uff0c\u4e3b\u4ece\u5e93\u8fd8\u6ca1\u8fde\u63a5\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba4\u4e3a\u662f\u65ad\u8fde\u3002\u5982\u679c\u65ad\u8fde\u6b21\u6570\u8d85\u8fc710\u6b21\uff0c\u5219\u8ba4\u4e3a\u8fd9\u4e2a\u5e93\u7684\u7f51\u7edc\u72b6\u51b5\u4e0d\u597d\uff0c\u4e0d\u9002\u5408\u505a\u65b0\u4e3b\u5e93\u3002<\/p>\n\n<h3 id=\"\u6253\u5206\">\u6253\u5206<\/h3>\n\n<p>\u4e09\u8f6e\u6253\u5206\uff0c\u53ea\u8981\u67d0\u4e00\u8f6e\u67d0\u4e2a\u5e93\u7684\u5f97\u5206\u6700\u9ad8\uff0c\u5c31\u9009\u5b9a\u4e3a\u4e3b\u5e93\uff1b\u5982\u679c\u6ca1\u6709\uff0c\u5219\u8fdb\u884c\u4e0b\u4e00\u8f6e\u3002<\/p>\n\n<h4 id=\"\u4f18\u5148\u7ea7\u6700\u9ad8\u7684\u4ece\u5e93\u5f97\u5206\u6700\u9ad8\">\u4f18\u5148\u7ea7\u6700\u9ad8\u7684\u4ece\u5e93\u5f97\u5206\u6700\u9ad8<\/h4>\n\n<p>\u624b\u52a8\u914d\u7f6e<code class=\"language-plaintext highlighter-rouge\">slave-priority<\/code>,\u7ed9\u4e0d\u540c\u7684\u4ece\u5e93\u8bbe\u7f6e\u4e0d\u540c\u7684\u4f18\u5148\u7ea7\u3002\u6839\u636e\u914d\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed9\u914d\u7f6e\u66f4\u597d\u7684\u4ece\u5e93\u8bbe\u7f6e\u9ad8\u4f18\u5148\u7ea7\u3002<\/p>\n\n<h4 id=\"\u548c\u65e7\u4e3b\u5e93\u540c\u6b65\u6700\u8fd1\u7684\u90a3\u4e2a\u4ece\u5e93\u4f5c\u4e3a\u4e3b\u5e93\">\u548c\u65e7\u4e3b\u5e93\u540c\u6b65\u6700\u8fd1\u7684\u90a3\u4e2a\u4ece\u5e93\u4f5c\u4e3a\u4e3b\u5e93<\/h4>\n\n<p>\u4e3b\u5e93\u4f1a\u7528<code class=\"language-plaintext highlighter-rouge\">master_repl_offset<\/code>\u8bb0\u5f55\u5f53\u524d\u6700\u65b0\u7684\u5199\u64cd\u4f5c\u5728<code class=\"language-plaintext highlighter-rouge\">repl_backlog_buffer<\/code>\u7f13\u51b2\u533a\u4e2d\u7684\u4f4d\u7f6e\uff0c\u4ece\u5e93\u4f1a\u7528<code class=\"language-plaintext highlighter-rouge\">slave_repl_offset<\/code>\u8bb0\u5f55\u4ece\u5e93\u5f53\u524d\u590d\u5236\u7684\u4f4d\u7f6e\uff0c\u4e24\u8005\u8ddd\u79bb\u6700\u8fd1\u5219\u8bc4\u5206\u9ad8\u3002<\/p>\n\n<h4 id=\"id\u53f7\u5c0f\u7684\u4ece\u5e93\u5f97\u5206\u9ad8\">ID\u53f7\u5c0f\u7684\u4ece\u5e93\u5f97\u5206\u9ad8<\/h4>\n\n<p>\u6bcf\u4e2a\u793a\u4f8b\u90fd\u4f1a\u6709\u4e2aID\uff0c\u8fd9\u91cc\u7c7b\u4f3c\u4e8e\u4ece\u5e93\u7684\u7f16\u53f7\u3002<\/p>\n\n<p>Redis\u5728\u9009\u4e3b\u5e93\u65f6\uff0c\u6709\u4e2a\u9ed8\u8ba4\u7684\u89c4\u5b9a\uff1a\u5728\u4f18\u5148\u7ea7\u548c\u590d\u5236\u8fdb\u5ea6\u90fd\u4e00\u6837\u7684\u60c5\u51b5\u4e0b\uff0cID\u6700\u5c0f\u7684\u5e93\u5f97\u5206\u6700\u9ad8\u3002<\/p>\n\n<p>\u901a\u8fc7\u4ee5\u4e0a\u4e09\u6b65\uff0c\u53ef\u4ee5\u9009\u51fa\u65b0\u4e3b\u5e93\u3002<\/p>\n\n<h2 id=\"\u53c2\u8003\u8d44\u6599\">\u53c2\u8003\u8d44\u6599<\/h2>\n\n<p>\u6781\u5ba2\u65f6\u95f4\u300aRedis\u6838\u5fc3\u6280\u672f\u4e0e\u5b9e\u6218\u300b<\/p>\n","pubDate":"Thu, 19 Nov 2020 00:00:00 +0000","link":"https:\/\/tsmliyun.github.io\/redis\/%E9%98%BF%E8%82%9D%E6%AD%A3%E4%BC%A0%E4%B9%8BRedis%E5%93%A8%E5%85%B5%E6%9C%BA%E5%88%B6(%E4%B8%80)\/","guid":"https:\/\/tsmliyun.github.io\/redis\/%E9%98%BF%E8%82%9D%E6%AD%A3%E4%BC%A0%E4%B9%8BRedis%E5%93%A8%E5%85%B5%E6%9C%BA%E5%88%B6(%E4%B8%80)\/","category":["Redis","Redis"]},{"title":"\u963f\u809d\u6b63\u4f20\u4e4bRedis\u4e3b\u4ece\u540c\u6b65","description":"<h2 id=\"\u524d\u8a00\">\u524d\u8a00<\/h2>\n\n<p>\u4e00\u95e8\u6280\u672f\u5149\u505c\u7559\u5728\u4f1a\u7528\u7684\u5c42\u9762\u8fdc\u8fdc\u4e0d\u591f\uff0c\u5fc5\u987b\u8981\u6df1\u5165\u7684\u638c\u63e1\u5176\u539f\u7406\uff0c\u7136\u540e\u52a0\u4ee5\u7406\u89e3\u548c\u603b\u7ed3\uff0c\u624d\u80fd\u53eb\u201c\u4f1a\u201d\u3002<\/p>\n\n<p>\u672c\u6587\u662f\u5728\u6df1\u5165\u4e86\u89e3Redis\u4e3b\u4ece\u540c\u6b65\u539f\u7406\u65f6\uff0c\u8bb0\u5f55\u7684\u5b66\u4e60\u7b14\u8bb0\u3002<\/p>\n\n<h2 id=\"\u76ee\u7684\">\u76ee\u7684<\/h2>\n\n<p>Redis\u63d0\u4f9b\u4e86\u4e3b\u4ece\u5e93\u6a21\u5f0f\uff0c\u5b9e\u73b0\u4e86Redis\u7684\u9ad8\u53ef\u7528\uff0c\u4fdd\u8bc1\u591a\u4e2a\u5b9e\u4f8b\u7684\u6570\u636e\u4e00\u81f4\u6027\u3002\u4e3b\u4ece\u5e93\u4e4b\u95f4\u91c7\u7528\u7684\u662f\u8bfb\u5199\u5206\u79bb\u7684\u65b9\u5f0f<\/p>\n\n<h2 id=\"\u8bfb\u5199\u5206\u79bb\u7684\u67b6\u6784\">\u8bfb\u5199\u5206\u79bb\u7684\u67b6\u6784<\/h2>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/Redis\u8bfb\u5199\u5206\u79bb\u67b6\u6784.png\" alt=\"Redis\u8bfb\u5199\u5206\u79bb\u67b6\u6784\" \/><\/p>\n\n<p>\u8bfb\u64cd\u4f5c\uff1a\u4e3b\u4ece\u90fd\u53ef\u4ee5\u63a5\u53d7\uff1b<\/p>\n\n<p>\u5199\u64cd\u4f5c\uff1a\u9996\u5148\u5230\u4e3b\u5e93\u6267\u884c\uff0c\u7136\u540e\u4e3b\u64cd\u4f5c\u5c06\u5199\u64cd\u4f5c\u540c\u6b65\u7ed9\u4ece\u5e93\u3002<\/p>\n\n<h2 id=\"\u4e3b\u4ece\u540c\u6b65\u7684\u539f\u7406\">\u4e3b\u4ece\u540c\u6b65\u7684\u539f\u7406<\/h2>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/Redis\u4e3b\u4ece\u540c\u6b65\u7684\u539f\u7406.jpg\" alt=\"Redis\u4e3b\u4ece\u540c\u6b65\u7684\u539f\u7406\" \/><\/p>\n\n<h3 id=\"\u4e3b\u4ece\u5e93\u5982\u4f55\u5b9e\u73b0\u7b2c\u4e00\u6b21\u540c\u6b65\">\u4e3b\u4ece\u5e93\u5982\u4f55\u5b9e\u73b0\u7b2c\u4e00\u6b21\u540c\u6b65\uff1f<\/h3>\n\n<p>\u8fd9\u91cc\u7684\u65b9\u6cd5\u662f\u662f<code class=\"language-plaintext highlighter-rouge\">replicaof<\/code>, Redis 5.0\u4ee5\u524d\u662f <code class=\"language-plaintext highlighter-rouge\">slaveof<\/code>. \u547d\u4ee4\u5982\u4e0b:<\/p>\n\n<pre><code class=\"language-Linux\">replicaof \u4e3b\u5e93IP \u7aef\u53e3\n<\/code><\/pre>\n\n<p>\u4e3b\u8981\u7684\u64cd\u4f5c\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n<ol>\n  <li>\n    <p>\u4e3b\u4ece\u5e93\u5efa\u7acb\u8fde\u63a5\u3001\u534f\u5546\u540c\u6b65\uff0c\u4e3b\u8981\u662f\u4e3a\u4e86\u5168\u91cf\u540c\u6b65\u505a\u51c6\u5907\u3002\u5728\u8fd9\u4e00\u6b65\uff0c\u4ece\u5e93\u548c\u4e3b\u5e93\u5efa\u7acb\u8d77\u8fde\u63a5\uff0c\u5e76\u544a\u8bc9\u4e3b\u5e93\u5373\u5c06\u8fdb\u884c\u540c\u6b65\uff1b\u4e3b\u5e93\u786e\u8ba4\u56de\u590d\u540e\uff0c\u4e3b\u4ece\u5e93\u95f4\u5c31\u53ef\u4ee5\u5f00\u59cb\u540c\u6b65\u4e86\u3002<\/p>\n\n    <p>\u5177\u4f53\u6765\u8bf4\uff0c\u4ece\u5e93\u7ed9\u4e3b\u5e93\u53d1\u9001 psync\u547d\u4ee4\uff0c\u8868\u793a\u8981\u8fdb\u884c\u6570\u636e\u540c\u6b65\uff1b\u4e3b\u5e93\u6839\u636e\u8fd9\u4e2a\u547d\u4ee4\u7684\u53c2\u6570\u6765\u590d\u5236\uff0c\u4e3b\u8981\u5305\u542b\u7684\u53c2\u6570\u6709\uff1a\u4e3b\u5e93\u7684runID\u548c\u590d\u5236\u8fdb\u5ea6offset\u4e24\u4e2a\u53c2\u6570\u3002<\/p>\n\n    <blockquote>\n      <p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n      <p>runID \u6bcf\u4e2aredis\u5b9e\u4f8b\u542f\u52a8\u65f6\u90fd\u4f1a\u751f\u6210\u4e00\u4e2a\u968f\u673aID\uff0c\u7528\u6765\u552f\u4e00\u6807\u8bb0\u8fd9\u4e2a\u5b9e\u4f8b\uff1b\u5f53\u4ece\u5e93\u548c\u4e3b\u5e93\u7b2c\u4e00\u6b21\u590d\u5236\u662f\uff0c\u56e0\u4e3a\u4e0d\u77e5\u9053\u4e3b\u5e93\u7684runID,\u6240\u4ee5\u4f20\u9012?<\/p>\n\n      <p>offset\u6b64\u65f6\u8bbe\u7f6e\u4e3a-1\uff0c\u8868\u793a\u7b2c\u4e00\u6b21\u590d\u5236<\/p>\n    <\/blockquote>\n\n    <p>\u4e3b\u5e93\u6536\u5230<code class=\"language-plaintext highlighter-rouge\">psync<\/code>\u547d\u4ee4\u540e\uff0c\u4f1a\u7528<code class=\"language-plaintext highlighter-rouge\">fullresync<\/code>\u54cd\u5e94\u547d\u4ee4\u5e26\u4e0a2\u4e2a\u53c2\u6570\uff1a\u4e3b\u5e93\u7684runid\u548c\u4e3b\u5e93\u76ee\u524d\u7684\u590d\u5236\u8fdb\u5ea6offset,\u8fd4\u56de\u7ed9\u4ece\u5e93\uff1b<\/p>\n\n    <p>\u4ece\u5e93\u6536\u5230\u54cd\u5e94\u540e\uff0c\u4f1a\u8bb0\u5f55\u4e0b\u8fd92\u4e2a\u53c2\u6570\u3002<strong>\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u7684\u662f <code class=\"language-plaintext highlighter-rouge\">fullresync<\/code>\u8868\u793a\u7684\u662f\u7b2c\u4e00\u6b21\u590d\u5236\u91c7\u7528\u7684\u5168\u91cf\u590d\u5236<\/strong>\u3002<\/p>\n  <\/li>\n  <li>\n    <p>\u4e3b\u5e93\u5c06\u6240\u6709\u6570\u636e\u540c\u6b65\u7ed9\u4ece\u5e93\uff0c\u4ece\u5e93\u6536\u5230\u6570\u636e\u540e\uff0c\u5728\u672c\u5730\u5b8c\u6210\u6570\u636e\u52a0\u8f7d\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4f9d\u8d56\u4e8e\u5185\u5b58\u5feb\u7167\u751f\u6210\u7684RDB\u6587\u4ef6\u3002<\/p>\n\n    <p>\u5177\u4f53\u800c\u8a00\uff0c\u4e3b\u5e93\u6267\u884c<code class=\"language-plaintext highlighter-rouge\">bgsave<\/code>\u547d\u4ee4\uff0c\u751f\u6210RDB\u6587\u4ef6\uff0c\u5c06\u6587\u4ef6\u53d1\u9001\u7ed9\u4ece\u5e93\u3002\u4ece\u5e93\u63a5\u53d7\u5230RDB\u6587\u4ef6\u540e\uff0c\u4f1a\u5148\u6e05\u7a7a\u5f53\u524d\u6570\u636e\u5e93\uff0c\u7136\u540e\u52a0\u8f7dRDB\u6587\u4ef6\u3002<\/p>\n\n    <p><strong>\u8fd9\u91cc\u4e3a\u4ec0\u4e48\u8981\u6e05\u7a7a\uff1f<\/strong><\/p>\n\n    <p>\u662f\u56e0\u4e3a\u4ece\u5e93\u5728\u901a\u8fc7<code class=\"language-plaintext highlighter-rouge\">replicaof<\/code>\u540c\u6b65\u4e3b\u5e93\u4e4b\u524d\uff0c\u53ef\u80fd\u4f1a\u5b58\u5728\u6570\u636e\uff0c\u4e3a\u4e86\u907f\u514d\u5f71\u54cd\uff0c\u5148\u6e05\u7a7a\u8f83\u597d\u3002<\/p>\n\n    <p><strong>\u90a3\u4e48\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u4f1a\u4ea7\u751f\u7591\u95ee\uff1f\u5728\u8fdb\u884c\u7b2c\u4e00\u6b21\u5168\u91cf\u540c\u6b65\u65f6\uff0c\u540c\u65f6\u5199\u5165\u5230\u4e3b\u5e93\u7684\u6570\u636e\u4e0d\u5c31\u6ca1\u6709\u540c\u6b65\u5230\u4ece\u5e93\u4e86\u5417\uff1f<\/strong><\/p>\n\n    <p>\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u4e3b\u5e93\u5728\u5185\u5b58\u4e2d\u4f1a\u6709\u4e13\u95e8\u7684<code class=\"language-plaintext highlighter-rouge\">replication buffer<\/code>\uff0c\u8bb0\u5f55rdb\u6587\u4ef6\u751f\u6210\u540e\u7684\u6240\u6709\u5199\u64cd\u4f5c\u3002<\/p>\n  <\/li>\n  <li>\n    <p>\u8fd9\u5c31\u6765\u5230\u4e86\u7b2c\u4e09\u9636\u6bb5\uff0c\u4e3b\u5e93\u4f1a\u5c06\u7b2c\u4e8c\u9636\u6bb5\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u63a5\u53d7\u5230\u7684\u65b0\u547d\u4ee4\uff0c\u518d\u53d1\u7ed9\u4ece\u5e93\u3002<\/p>\n\n    <p>\u5177\u4f53\u7684\u64cd\u4f5c\u5c31\u662f\uff0c\u5f53\u4e3b\u5e93\u5b8c\u6210RDB\u6587\u4ef6\u53d1\u9001\u540e\uff0c\u5c31\u4f1a\u628a\u6b64\u65f6\u7684<code class=\"language-plaintext highlighter-rouge\">replication buffer<\/code>\u4e2d\u7684\u4fee\u6539\u64cd\u4f5c\u53d1\u7ed9\u4ece\u5e93\uff0c\u4ece\u5e93\u518d\u91cd\u65b0\u6267\u884c\u8fd9\u4e9b\u64cd\u4f5c\u3002<\/p>\n\n    <p>\u4ece\u800c\u5b9e\u73b0\u4e3b\u4ece\u4e00\u81f4\u3002<\/p>\n  <\/li>\n<\/ol>\n\n<h2 id=\"\u4e3b\u4ece\u7ea7\u8054\u6a21\u5f0f\u5206\u62c5\u5168\u91cf\u590d\u5236\u65f6\u7684\u4e3b\u5e93\u538b\u529b\">\u4e3b\u4ece\u7ea7\u8054\u6a21\u5f0f\u5206\u62c5\u5168\u91cf\u590d\u5236\u65f6\u7684\u4e3b\u5e93\u538b\u529b<\/h2>\n\n<p>\u90a3\u4e48\u8fd9\u4e2a\u65f6\u5019\uff0c\u4e5f\u4f1a\u9047\u5230\u4e00\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\u5728\u4e00\u6b21\u5168\u91cf\u590d\u5236\u8fc7\u7a0b\u4e2d\uff0c\u5bf9\u4e8e\u4e3b\u5e93\u6765\u8bf4\uff0c\u9700\u8981\u5b8c\u6210\u4e24\u4e2a\u8017\u65f6\u7684\u5de5\u4f5c\uff1b\u751f\u6210RDB\u6587\u4ef6\u548c\u4f20\u8f93RDB\u6587\u4ef6\u3002\u5982\u679c\u4ece\u5e93\u6570\u91cf\u5f88\u591a\uff0c\u800c\u4e14\u90fd\u8981\u548c\u4e3b\u5e93\u8fdb\u884c\u5168\u91cf\u590d\u5236\u7684\u8bdd\uff0c\u5c31\u4f1a\u5bfc\u81f4\u4e3b\u5e93\u5fd9\u4e8efork\u5b50\u8fdb\u7a0b\u751f\u6210RDB\u6587\u4ef6\uff0c\u8fdb\u884c\u6570\u636e\u540c\u6b65\u3002fork\u8fd9\u4e2a\u64cd\u4f5c\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\u5904\u7406\u6b63\u5e38\u8bf7\u6c42\uff0c\u4ece\u800c\u5bfc\u81f4\u4e3b\u5e93\u54cd\u5e94\u5e94\u7528\u7a0b\u5e8f\u7684\u8bf7\u6c42\u53d8\u6162\u3002\u6b64\u5916\uff0c\u4f20\u8f93RDB\u6587\u4ef6\u4e5f\u4f1a\u5360\u7528\u4e3b\u5e93\u7684\u7f51\u7edc\u5e26\u5bbd\uff0c\u540c\u6837\u4f1a\u7ed9\u4e3b\u5e93\u7684\u8d44\u6e90\u4f7f\u7528\u5e26\u6765\u538b\u529b\u3002<\/p>\n\n<p>\u90a3\u4e48\u9762\u4e34\u8fd9\u6837\u7684\u95ee\u9898\uff0c\u6709\u4ec0\u4e48\u66f4\u597d\u7684\u89e3\u51b3\u65b9\u6cd5\u5462\uff1f<\/p>\n\n<p>\u201c\u4e3b-\u4ece-\u4ece\u201d\u6a21\u5f0f\u7684\u4ea7\u751f\uff0c\u7b80\u5355\u6765\u8bf4\uff0c\u5c31\u662f\u5f53\u6211\u4eec\u5728\u90e8\u7f72Redis\u96c6\u7fa4\u65f6\uff0c\u53ef\u4ee5\u624b\u52a8\u9009\u4e00\u4e2a\u4ece\u5e93\uff08\u5185\u90e8\u914d\u7f6e\u8d44\u6e90\u8f83\u9ad8\u7684\uff09\uff0c\u7528\u4e8e\u5176\u4ed6\u4ece\u5e93\u8fde\u63a5\uff0c\u5efa\u7acb\u4e3b\u4ece\u5173\u7cfb\u3002\u540e\u7eed\u4e5f\u4f1a\u5efa\u7acb\u57fa\u4e8e\u957f\u8fde\u63a5\u7684\u547d\u4ee4\u4f20\u64ad\uff0c\u53ef\u4ee5\u907f\u514d\u9891\u7e41\u5efa\u7acb\u8fde\u63a5\u7684\u5f00\u9500\u3002<\/p>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/Redis\u4e3b\u4ece\u4ece\u6a21\u5f0f.jpg\" alt=\"Redis\u4e3b\u4ece\u4ece\u6a21\u5f0f\" \/><\/p>\n\n<h2 id=\"\u4e3b\u4ece\u5e93\u7f51\u7edc\u65ad\u4e86\u600e\u4e48\u529e\">\u4e3b\u4ece\u5e93\u7f51\u7edc\u65ad\u4e86\u600e\u4e48\u529e\uff1f<\/h2>\n\n<p>\u91c7\u53d6\u589e\u91cf\u590d\u5236\u7684\u65b9\u5f0f\uff0cRedis \u5b58\u5728 <code class=\"language-plaintext highlighter-rouge\">repl_backlog_buffer<\/code> \u8fd9\u4e2a\u7f13\u51b2\u533a\u3002<\/p>\n\n<p>\u5f53\u4e3b\u4ece\u5e93\u65ad\u8fde\u540e\uff0c\u4e3b\u5e93\u4f1a\u628a\u65ad\u8fde\u671f\u95f4\u6536\u5230\u7684\u5199\u64cd\u4f5c\u547d\u4ee4\u5199\u5165<code class=\"language-plaintext highlighter-rouge\">relication_buffer<\/code>\uff0c\u540c\u65f6\u4e5f\u4f1a\u5c06\u8fd9\u4e9b\u64cd\u4f5c\u547d\u4ee4\u5199\u5165<code class=\"language-plaintext highlighter-rouge\">repl_backlog_buffer<\/code>\u8fd9\u4e2a\u7f13\u51b2\u533a\u3002<\/p>\n\n<p><code class=\"language-plaintext highlighter-rouge\">repl_backlog_buffer<\/code>\u662f\u4e00\u4e2a\u73af\u5f62\u7f13\u51b2\u533a\uff0c\u4e3b\u5e93\u4f1a\u8bb0\u5f55\u81ea\u5df1\u5199\u5230\u7684\u4f4d\u7f6e\uff0c\u4ece\u5e93\u5219\u4f1a\u8bb0\u5f55\u81ea\u5df1\u5df2\u7ecf\u8bfb\u5230\u7684\u4f4d\u7f6e\uff0c<\/p>\n\n<p><code class=\"language-plaintext highlighter-rouge\">master_repl_offset<\/code> \u662f\u5bf9\u5e94\u7684\u504f\u79fb\u91cf\u3002<\/p>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/Redis\u4e3b\u4ece\u590d\u5236\u7f13\u51b2\u533a.jpg\" alt=\"Redis\u4e3b\u4ece\u590d\u5236\u7f13\u51b2\u533a.jpg\" \/><\/p>\n\n<p>\u4e3b\u4ece\u5e93\u7684\u8fde\u63a5\u56de\u590d\u540e\uff0c\u4ece\u5e93\u9996\u5148\u4f1a\u7ed9\u4e3b\u5e93\u53d1\u9001psync\u547d\u4ee4\uff0c\u5e76\u628a\u81ea\u5df1\u5f53\u524d\u7684slave_repl_offset\u53d1\u7ed9\u4e3b\u5e93\uff0c\u4e3b\u5e93\u4f1a\u5224\u65ad\u81ea\u5df1\u7684<\/p>\n\n<p><code class=\"language-plaintext highlighter-rouge\">master_repl_offset<\/code>;  \u5728\u7f51\u8def\u65ad\u8054\u9636\u6bb5\uff0c\u4e3b\u5e93\u53ef\u80fd\u4f1a\u6536\u5230\u65b0\u7684\u5199\u64cd\u4f5c\u547d\u4ee4\uff0c\u6240\u4ee5\u4e00\u822c\u6765\u8bf4<code class=\"language-plaintext highlighter-rouge\">master_repl_offset<\/code>\u4f1a\u5927\u4e8e<code class=\"language-plaintext highlighter-rouge\">slave_repl_offset<\/code>\u547d\u4ee4\uff0c<\/p>\n\n<p>\u6240\u4ee5\u4e3b\u5e93\u53ea\u9700\u8981\u5c062\u4e2a\u4e4b\u95f4\u7684\u64cd\u4f5c\u540c\u6b65\u7ed9\u4ece\u5e93\u5c31\u53ef\u4ee5\u3002<\/p>\n\n<p>\u589e\u91cf\u590d\u5236\u7684\u6574\u4f53\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/Redis\u589e\u91cf\u590d\u5236\u7684\u6d41\u7a0b\u56fe.jpg\" alt=\"Redis\u589e\u91cf\u590d\u5236\u7684\u6d41\u7a0b\u56fe\" \/><\/p>\n\n<p>\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u7684\u5730\u65b9\u662f\uff0c<code class=\"language-plaintext highlighter-rouge\">repl_backlog_buffer<\/code>\u662f\u4e00\u4e2a\u73af\u5f62\u7f13\u51b2\u533a\uff0c\u6240\u4ee5\u5728\u7f13\u51b2\u533a\u5199\u6ee1\u4e4b\u540e\uff0c\u4e3b\u5e93\u4f1a\u7ee7\u7eed\u5199\u5165\uff0c\u5c31\u4f1a\u8986\u76d6\u4e4b\u524d\u7684\u64cd\u4f5c\u8bb0\u5f55\u3002<\/p>\n\n<p>\u5982\u679c\u4ece\u5e93\u7684\u8bfb\u53d6\u901f\u5ea6\u6bd4\u8f83\u6162\uff0c\u5c31\u6709\u53ef\u80fd\u5bfc\u81f4\u4ece\u5e93\u8fd8\u672a\u8bfb\u53d6\u7684\u64cd\u4f5c\u88ab\u4e3b\u5e93\u65b0\u5199\u7684\u8986\u76d6\u4e86\uff0c\u8fd9\u6837\u4f1a\u4ea7\u751f\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n\n<p>\u5e76\u4e14\u5982\u679cslave_repl_offset\u4f4d\u7f6e\u4e0a\u7684\u6570\u636e\u88ab\u8986\u76d6\u6389\u4e86\uff0c\u4ece\u5e93\u548c\u4e3b\u5e93\u95f4\u5c06\u4f1a\u8fdb\u884c\u5168\u91cf\u590d\u5236\u3002<\/p>\n\n<p>\u8fd9\u4e2a\u95ee\u9898\u6211\u4eec\u53ef\u4ee5\u5982\u4f55\u907f\u514d\u5462\uff1f<\/p>\n\n<p>\u5173\u952e\u53c2\u6570 ` repl_backlog_size` \uff0c\u4f1a\u5f71\u54cd\u5230\u7f13\u51b2\u533a\u7a7a\u95f4\u5927\u5c0f\u3002<\/p>\n\n<p>\u7f13\u51b2\u7a7a\u95f4\u5927\u5c0f  = \u4e3b\u5e93\u7684\u5199\u5165\u901f\u5ea6 * \u64cd\u4f5c\u5927\u5c0f - \u4e3b\u4ece\u5e93\u7f51\u8def\u4f20\u8f93\u547d\u4ee4\u7684\u901f\u5ea6*\u64cd\u4f5c\u5927\u5c0f\u3002<\/p>\n\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u8003\u8651\u5230\u4e00\u4e9b\u7a81\u53d1\u7684\u5e76\u53d1\u60c5\u51b5\uff0c\u6211\u4eec\u4f1a\u5197\u4f59\uff0c\u6240\u4ee5<code class=\"language-plaintext highlighter-rouge\">repl_backlog_size<\/code> = \u7f13\u51b2\u7a7a\u95f4\u5927\u5c0f * 2.<\/p>\n\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u679c\u4e3b\u5e93\u6bcf\u79d2\u5199\u5165 2000 \u4e2a\u64cd\u4f5c\uff0c\u6bcf\u4e2a\u64cd\u4f5c\u7684\u5927\u5c0f\u4e3a 2KB\uff0c\u7f51\u7edc\u6bcf\u79d2\u80fd\u4f20\u8f93 1000 \u4e2a\u64cd\u4f5c\uff0c\u90a3\u4e48\uff0c\u6709 1000 \u4e2a\u64cd\u4f5c\u9700\u8981\u7f13\u51b2\u8d77\u6765\uff0c\u8fd9\u5c31\u81f3\u5c11\u9700\u8981 2MB \u7684\u7f13\u51b2\u7a7a\u95f4\u3002\u5426\u5219\uff0c\u65b0\u5199\u7684\u547d\u4ee4\u5c31\u4f1a\u8986\u76d6\u6389\u65e7\u64cd\u4f5c\u4e86\u3002\u4e3a\u4e86\u5e94\u5bf9\u53ef\u80fd\u7684\u7a81\u53d1\u538b\u529b\uff0c\u6211\u4eec\u6700\u7ec8\u628a <code class=\"language-plaintext highlighter-rouge\">repl_backlog_size<\/code> \u8bbe\u4e3a 4MB\u3002<\/p>\n\n<h2 id=\"\u603b\u7ed3\">\u603b\u7ed3<\/h2>\n\n<p>\u5173\u4e8e\u8fd9\u5757\u7406\u8bba\u77e5\u8bc6\u6bd4\u8f83\u591a\uff0c\u9700\u8981\u53cd\u590d\u7684\u9605\u8bfb\u67e5\u770b\u8d44\u6599\u3002\u7406\u89e3\u4e4b\u540e\uff0c\u5c31\u4f1a\u89c9\u5f97\u4e5f\u6ca1\u90a3\u4e48\u590d\u6742\u4e86\u3002<\/p>\n\n<p>\u6700\u5927\u7684\u611f\u89e6\u5c31\u662f\uff0c\u77e5\u9053\u7684\u8d8a\u591a\uff0c\u4e0d\u77e5\u9053\u7684\u8d8a\u591a\u3002<\/p>\n\n<h2 id=\"\u53c2\u8003\u8d44\u6599\">\u53c2\u8003\u8d44\u6599<\/h2>\n\n<p>\u6781\u5ba2\u65f6\u95f4\u300aRedis\u6838\u5fc3\u6280\u672f\u4e0e\u5b9e\u6218\u300b<\/p>\n","pubDate":"Wed, 18 Nov 2020 00:00:00 +0000","link":"https:\/\/tsmliyun.github.io\/redis\/%E9%98%BF%E8%82%9D%E6%AD%A3%E4%BC%A0%E4%B9%8BRedis%E4%B8%BB%E4%BB%8E%E5%90%8C%E6%AD%A5\/","guid":"https:\/\/tsmliyun.github.io\/redis\/%E9%98%BF%E8%82%9D%E6%AD%A3%E4%BC%A0%E4%B9%8BRedis%E4%B8%BB%E4%BB%8E%E5%90%8C%E6%AD%A5\/","category":["Redis","Redis"]},{"title":"TCP\u534f\u8bae\u5b66\u4e60\u603b\u7ed3\uff08\u4e00\uff09","description":"<h2 id=\"\u524d\u8a00\">\u524d\u8a00<\/h2>\n\n<p>\u672c\u6587\u662f\u5b66\u4e60\u6781\u5ba2\u65f6\u95f4\u300a\u8da3\u8c08\u7f51\u7edc\u534f\u8bae\u300b\u7b2c12\u8282\u8bfe\u7a0b\u65f6\u6574\u7406\u7684\u7b14\u8bb0\u3002<\/p>\n\n<h2 id=\"tcp\u5305\u5934\u683c\u5f0f\">TCP\u5305\u5934\u683c\u5f0f<\/h2>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/tcp_header.png\" alt=\"tcp_header\" \/><\/p>\n\n<p>\u6e90\u7aef\u53e3\u53f7\u548c\u76ee\u6807\u7aef\u53e3\u53f7\u662f\u5fc5\u4e0d\u53ef\u5c11\uff0c\u5426\u5219\u6570\u636e\u4e0d\u77e5\u9053\u8be5\u5206\u53d1\u7ed9\u54ea\u4e2a\u5e94\u7528\u3002<\/p>\n\n<p>\u5305\u7684\u5e8f\u53f7\u662f\u4e3a\u4e86\u89e3\u51b3\u4e71\u5e8f\u7684\u95ee\u9898\u3002<\/p>\n\n<p>\u786e\u8ba4\u5e8f\u53f7\uff0c\u662f\u4e3a\u4e86\u89e3\u51b3\u4e0d\u4e22\u5305\u7684\u95ee\u9898\u3002\u53d1\u51fa\u53bb\u7684\u5305\u90fd\u5e94\u8be5\u8981\u6709\u786e\u8ba4\uff0c\u5426\u5219\u4e0d\u6e05\u695a\u5bf9\u65b9\u6709\u6ca1\u6709\u6536\u5230\uff1b\u6ca1\u6709\u6536\u5230\u5219\u4f1a\u91cd\u65b0\u53d1\u9001\u3002<\/p>\n\n<p>\u72b6\u6001\u4f4d\uff1aSYN \u662f\u53d1\u8d77\u4e00\u4e2a\u8fde\u63a5\uff0cACK\u662f\u56de\u590d\uff0cRST \u662f\u91cd\u65b0\u8fde\u63a5\uff0cFIN \u662f\u7ed3\u675f\u8fde\u63a5\u3002TCP\u662f\u9762\u5411\u8fde\u63a5\u7684\uff0c\u56e0\u800c\u53cc\u65b9\u9700\u8981\u7ef4\u62a4\u8fde\u63a5\u7684\u72b6\u6001\uff0c\u8fd9\u4e9b\u5e26\u72b6\u6001\u4f4d\u7684\u5305\u7684\u53d1\u9001\uff0c\u4f1a\u5f15\u8d77\u53cc\u65b9\u72b6\u6001\u7684\u53d8\u66f4\u3002<\/p>\n\n<p>\u901a\u8fc7\u5bf9TCP\u5934\u7684\u89e3\u6790\uff0c\u6211\u4eec\u77e5\u9053\u8981\u638c\u63e1TCP\u534f\u8bae\uff0c\u9700\u8981\u91cd\u70b9\u5173\u6ce8\u4ee5\u4e0b\u51e0\u4e2a\u95ee\u9898\uff1a<\/p>\n\n<ul>\n  <li>\u987a\u5e8f\u95ee\u9898\uff0c\u7a33\u91cd\u4e0d\u4e71<\/li>\n  <li>\u4e22\u5305\u95ee\u9898\uff0c\u627f\u8bfa\u9760\u8c31<\/li>\n  <li>\u8fde\u63a5\u7ef4\u62a4\uff0c\u6709\u59cb\u6709\u7ec8<\/li>\n  <li>\u6d41\u91cf\u63a7\u5236\uff0c\u628a\u63e1\u5206\u5bf8<\/li>\n  <li>\u62e5\u585e\u63a7\u5236\uff0c\u77e5\u8fdb\u77e5\u9000<\/li>\n<\/ul>\n\n<h2 id=\"tcp\u7684\u4e09\u6b21\u63e1\u624b\">TCP\u7684\u4e09\u6b21\u63e1\u624b<\/h2>\n\n<p>\u7b80\u5355\u70b9\u6765\u8bf4\uff0c\u5982\u4e0b\uff1a<\/p>\n\n<blockquote>\n  <p>A:\u60a8\u597d\uff0c\u6211\u662f A\u3002\nB:\u60a8\u597d A\uff0c\u6211\u662f B\u3002\nA:\u60a8\u597d B\u3002<\/p>\n<\/blockquote>\n\n<p>\u6211\u4eec\u901a\u5e38\u79f0\u4e3a\u201c\u8bf7\u6c42 -&gt; \u5e94\u7b54 -&gt; \u5e94\u7b54\u4e4b\u5e94\u7b54\u201d \u4e09\u4e2a\u56de\u5408\u3002<\/p>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/tcp_ws.png\" alt=\"tcp_header\" \/><\/p>\n\n<p>\u671f\u521d\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u90fd\u5904\u4e8eCLOSED\u72b6\u6001\u3002\u5148\u662f\u670d\u52a1\u7aef\u4e3b\u52a8\u76d1\u542c\u67d0\u4e2a\u7aef\u53e3\uff0c\u5904\u4e8eLISTEN\u72b6\u6001\u3002\u7136\u540e\u5ba2\u6237\u7aef\u4e3b\u52a8\u53d1\u8d77SYN\uff0c\u4e4b\u540e\u5904\u4e8eSYN-SENT\u72b6\u6001\u3002\u670d\u52a1\u7aef\u6536\u5230\u53d1\u8d77\u7684\u8fde\u63a5\uff0c\u8fd4\u56deSYN,\u5e76\u4e14AKC\u5ba2\u6237\u7aef\u7684SYN,\u4e4b\u540e\u5904\u4e8eSYN-RCVD\u72b6\u6001\u3002\u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u7aef\u7684SYN\u548cACK\u4e4b\u540e\uff0c\u53d1\u9001ACK\u7684ACK,\u4e4b\u540e\u5904\u4e8eESTABLISHED\u72b6\u6001\uff0c\u56e0\u4e3a\u4e00\u53d1\u4e00\u6536\u6210\u529f\u4e86\u3002\u670d\u52a1\u7aef\u6536\u5230ACK\u7684ACK\u4e4b\u540e\uff0c\u5904\u4e8eESTABLISHED\u72b6\u6001\uff0c\u56e0\u4e3a\u4ed6\u4e5f\u4e00\u53d1\u4e00\u6536\u6210\u529f\u4e86\u3002<\/p>\n\n<h2 id=\"tcp\u56db\u6b21\u6325\u624b\">TCP\u56db\u6b21\u6325\u624b<\/h2>\n\n<p>\u7b80\u800c\u8a00\u4e4b\uff0c\u5982\u4e0b\uff1a<\/p>\n\n<blockquote>\n  <p>A:B \u554a\uff0c\u6211\u4e0d\u60f3\u73a9\u4e86\u3002<\/p>\n\n  <p>B:\u54e6\uff0c\u4f60\u4e0d\u60f3\u73a9\u4e86\u554a\uff0c\u6211\u77e5\u9053\u4e86\u3002<\/p>\n\n  <p>\u8fd9\u4e2a\u65f6\u5019\uff0c\u8fd8\u53ea\u662f A \u4e0d\u60f3\u73a9\u4e86\uff0c\u4e5f\u5373 A \u4e0d\u4f1a\u518d\u53d1\u9001\u6570\u636e\uff0c\u4f46\u662f B \u80fd\u4e0d\u80fd\u5728 ACK \u7684\u65f6\u5019\uff0c\u76f4\u63a5\u5173\u95ed\u5462? \u5f53\u7136\u4e0d\u53ef\u4ee5\u4e86\uff0c\u5f88\u6709\u53ef\u80fd A \u662f\u53d1\u5b8c\u4e86\u6700\u540e\u7684\u6570\u636e\u5c31\u51c6\u5907\u4e0d\u73a9\u4e86\uff0c\u4f46\u662f B \u8fd8\u6ca1\u505a\u5b8c\u81ea\u5df1\u7684\u4e8b\u60c5\uff0c\u8fd8\u662f\u53ef\u4ee5 \u53d1\u9001\u6570\u636e\u7684\uff0c\u6240\u4ee5\u79f0\u4e3a\u534a\u5173\u95ed\u7684\u72b6\u6001\u3002<\/p>\n\n  <p>\u8fd9\u4e2a\u65f6\u5019 A \u53ef\u4ee5\u9009\u62e9\u4e0d\u518d\u63a5\u6536\u6570\u636e\u4e86\uff0c\u4e5f\u53ef\u4ee5\u9009\u62e9\u6700\u540e\u518d\u63a5\u6536\u4e00\u6bb5\u6570\u636e\uff0c\u7b49\u5f85 B \u4e5f\u4e3b\u52a8\u5173\u95ed\u3002 B:A \u554a\uff0c\u597d\u5427\uff0c\u6211\u4e5f\u4e0d\u73a9\u4e86\uff0c\u62dc\u62dc\u3002\nA:\u597d\u7684\uff0c\u62dc\u62dc\u3002<\/p>\n<\/blockquote>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/tcp_hs.png\" alt=\"tcp_header\" \/><\/p>\n\n<p>\u65ad\u5f00\u7684\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u5f53 A \u8bf4\u201c\u4e0d\u73a9\u4e86\u201d \uff0c\u5c31\u8fdb\u5165FIN_WAIT_1\u7684\u72b6\u6001\uff0cB\u6536\u5230\u6d88\u606f\u540e\uff0c\u53d1\u9001\u77e5\u9053\u4e86\uff0c\u5904\u4e8eCLOSED_WAIT\u7684\u72b6\u6001\u3002<\/p>\n\n<p>A\u6536\u5230B\u53d1\u7684\u77e5\u9053\u4e86\uff0c\u5c31\u8fdb\u5165\u7684FIN_WAIT_2\u7684\u72b6\u6001\uff0c\u5982\u679c\u8fd9\u4e2a\u65f6\u5019B\u76f4\u63a5\u8dd1\u8def\u4e86\uff0c\u90a3\u4e48A\u5219\u6c38\u8fdc\u505c\u7559\u5728\u8fd9\u4e2a\u72b6\u6001\uff1bTCP\u534f\u8bae\u91cc\u9762\u5e76\u6ca1\u6709\u5bf9\u8fd9\u4e2a\u72b6\u6001\u7684\u5904\u7406\uff0c\u4f46\u662fLinux\u6709\uff0c\u53ef\u4ee5\u8c03\u6574tcp_fin_timeout\u8fd9\u4e2a\u53c2\u6570\uff0c\u8bbe\u7f6e\u4e00\u4e2a\u8d85\u65f6\u65f6\u95f4\u3002<\/p>\n\n<p>\u5982\u679cB\u53d1\u9001\u4e86 \u201cB\u4e5f\u4e0d\u73a9\u4e86\u201d\u7684\u8bf7\u6c42\u5230\u8fbeA\u65f6\uff0cA\u53d1\u9001\u201c\u77e5\u9053\u4e86\u201d\u7684ACK\u4e4b\u540e\uff0c\u4eceFIN_WAIT_2\u72b6\u6001\u7ed3\u675f\uff0c\u8003\u8651\u5230\u8fd9\u4e2aACK B\u53ef\u80fd\u6536\u4e0d\u5230\uff0cB\u53ef\u80fd\u4f1a\u91cd\u65b0\u53d1\u4e00\u6b21\u201cB\u4e5f\u4e0d\u73a9\u4e86\u201d\uff1b\u56e0\u6b64TCP\u534f\u8bae\u8981\u6c42A\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4TIME_WAIT, \u8fd9\u4e2a\u65f6\u95f4\u8981\u8db3\u591f\u957f\uff0c\u957f\u5230\u5982\u679c B \u6ca1\u6536\u5230 ACK \u7684\u8bdd\uff0c\u201cB \u8bf4\u4e0d\u73a9\u4e86\u201d\u4f1a\u91cd\u53d1 \u7684\uff0cA \u4f1a\u91cd\u65b0\u53d1\u4e00\u4e2a ACK \u5e76\u4e14\u8db3\u591f\u65f6\u95f4\u5230\u8fbe B\u3002<\/p>\n\n<p>A \u76f4\u63a5\u8dd1\u8def\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898\u662f\uff0cA \u7684\u7aef\u53e3\u5c31\u76f4\u63a5\u7a7a\u51fa\u6765\u4e86\uff0c\u4f46\u662f B \u4e0d\u77e5\u9053\uff0cB \u539f\u6765\u53d1\u8fc7\u7684\u5f88\u591a\u5305\u5f88\u53ef\u80fd\u8fd8 \u5728\u8def\u4e0a\uff0c\u5982\u679c A \u7684\u7aef\u53e3\u88ab\u4e00\u4e2a\u65b0\u7684\u5e94\u7528\u5360\u7528\u4e86\uff0c\u8fd9\u4e2a\u65b0\u7684\u5e94\u7528\u4f1a\u6536\u5230\u4e0a\u4e2a\u8fde\u63a5\u4e2d B \u53d1\u8fc7\u6765\u7684\u5305\uff0c\u867d\u7136\u5e8f \u5217\u53f7\u662f\u91cd\u65b0\u751f\u6210\u7684\uff0c\u4f46\u662f\u8fd9\u91cc\u8981\u4e0a\u4e00\u4e2a\u53cc\u4fdd\u9669\uff0c\u9632\u6b62\u4ea7\u751f\u6df7\u4e71\uff0c\u56e0\u800c\u4e5f\u9700\u8981\u7b49\u8db3\u591f\u957f\u7684\u65f6\u95f4\uff0c\u7b49\u5230\u539f\u6765 B \u53d1\u9001\u7684\u6240\u6709\u7684\u5305\u90fd\u6b7b\u7fd8\u7fd8\uff0c\u518d\u7a7a\u51fa\u7aef\u53e3\u6765\u3002<\/p>\n\n<p>\u7b49\u5f85\u7684\u65f6\u95f4\u8bbe\u4e3a 2MSL\uff0cMSL\u662fMaximum Segment Lifetime\uff0c\u62a5\u6587\u6700\u5927\u751f\u5b58\u65f6\u95f4\uff0c\u5b83\u662f\u4efb\u4f55\u62a5\u6587\u5728\u7f51 \u7edc\u4e0a\u5b58\u5728\u7684\u6700\u957f\u65f6\u95f4\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u65f6\u95f4\u62a5\u6587\u5c06\u88ab\u4e22\u5f03\u3002\u56e0\u4e3a TCP \u62a5\u6587\u57fa\u4e8e\u662f IP \u534f\u8bae\u7684\uff0c\u800c IP \u5934\u4e2d\u6709\u4e00\u4e2a TTL \u57df\uff0c\u662f IP \u6570\u636e\u62a5\u53ef\u4ee5\u7ecf\u8fc7\u7684\u6700\u5927\u8def\u7531\u6570\uff0c\u6bcf\u7ecf\u8fc7\u4e00\u4e2a\u5904\u7406\u4ed6\u7684\u8def\u7531\u5668\u6b64\u503c\u5c31\u51cf 1\uff0c\u5f53\u6b64\u503c\u4e3a 0 \u5219\u6570 \u636e\u62a5\u5c06\u88ab\u4e22\u5f03\uff0c\u540c\u65f6\u53d1\u9001 ICMP \u62a5\u6587\u901a\u77e5\u6e90\u4e3b\u673a\u3002\u534f\u8bae\u89c4\u5b9a MSL \u4e3a 2 \u5206\u949f\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\u5e38\u7528\u7684\u662f 30 \u79d2\uff0c1 \u5206\u949f\u548c 2 \u5206\u949f\u7b49\u3002<\/p>\n\n<p>\u8fd8\u6709\u4e00\u4e2a\u5f02\u5e38\u60c5\u51b5\u5c31\u662f\uff0cB \u8d85\u8fc7\u4e86 2MSL \u7684\u65f6\u95f4\uff0c\u4f9d\u7136\u6ca1\u6709\u6536\u5230\u5b83\u53d1\u7684 FIN \u7684 ACK\uff0c\u600e\u4e48\u529e\u5462?\u6309\u7167 TCP \u7684\u539f\u7406\uff0cB \u5f53\u7136\u8fd8\u4f1a\u91cd\u53d1 FIN\uff0c\u8fd9\u4e2a\u65f6\u5019 A \u518d\u6536\u5230\u8fd9\u4e2a\u5305\u4e4b\u540e\uff0cA \u5c31\u8868\u793a\uff0c\u6211\u5df2\u7ecf\u5728\u8fd9\u91cc\u7b49\u4e86\u8fd9\u4e48 \u957f\u65f6\u95f4\u4e86\uff0c\u5df2\u7ecf\u4ec1\u81f3\u4e49\u5c3d\u4e86\uff0c\u4e4b\u540e\u7684\u6211\u5c31\u90fd\u4e0d\u8ba4\u4e86\uff0c\u4e8e\u662f\u5c31\u76f4\u63a5\u53d1\u9001 RST\uff0cB \u5c31\u77e5\u9053 A \u65e9\u5c31\u8dd1\u4e86 \u3002<\/p>\n\n<h2 id=\"tcp\u72b6\u6001\u673a\">TCP\u72b6\u6001\u673a<\/h2>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/tcp_ztj.png\" alt=\"tcp_header\" \/><\/p>\n\n<p>\u5728\u8fd9\u4e2a\u56fe\u4e2d\uff0c\u52a0\u9ed1\u52a0\u7c97\u7684\u90e8\u5206\uff0c\u662f\u4e0a\u9762\u8bf4\u5230\u7684\u4e3b\u8981\u6d41\u7a0b\uff0c\u5176\u4e2d\u963f\u62c9\u4f2f\u6570\u5b57\u7684\u5e8f\u53f7\uff0c\u662f\u8fde\u63a5\u8fc7\u7a0b\u4e2d\u7684\u987a \u5e8f\uff0c\u800c\u5927\u5199\u4e2d\u6587\u6570\u5b57\u7684\u5e8f\u53f7\uff0c\u662f\u8fde\u63a5\u65ad\u5f00\u8fc7\u7a0b\u4e2d\u7684\u987a\u5e8f\u3002\u52a0\u7c97\u7684\u5b9e\u7ebf\u662f\u5ba2\u6237\u7aef A \u7684\u72b6\u6001\u53d8\u8fc1\uff0c\u52a0\u7c97\u7684\u865a \u7ebf\u662f\u670d\u52a1\u7aef B \u7684\u72b6\u6001\u53d8\u8fc1\u3002 \u7ed3\u5408\u72b6\u6001\u56fe\u5b66\u4e60\uff0c\u66f4\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n\n<h2 id=\"\u53c2\u8003\u8d44\u6599\">\u53c2\u8003\u8d44\u6599<\/h2>\n\n<p>\u6781\u5ba2\u65f6\u95f4\u300a\u8da3\u8c08\u7f51\u7edc\u534f\u8bae\u300b\u7b2c12\u8282<\/p>\n","pubDate":"Sun, 12 Apr 2020 00:00:00 +0000","link":"https:\/\/tsmliyun.github.io\/%E7%BD%91%E7%BB%9C%E5%8D%8F%E8%AE%AE\/TCP%E5%8D%8F%E8%AE%AE%E5%AD%A6%E4%B9%A0%E6%80%BB%E7%BB%93(%E4%B8%80)\/","guid":"https:\/\/tsmliyun.github.io\/%E7%BD%91%E7%BB%9C%E5%8D%8F%E8%AE%AE\/TCP%E5%8D%8F%E8%AE%AE%E5%AD%A6%E4%B9%A0%E6%80%BB%E7%BB%93(%E4%B8%80)\/","category":["\u7f51\u7edc\u534f\u8bae","\u7f51\u7edc\u534f\u8bae"]},{"title":"PHP\u5bfc\u51faExcel\u7684\u4f18\u5316","description":"<h2 id=\"\u80cc\u666f\">\u80cc\u666f<\/h2>\n\n<p>\u9488\u5bf9PHP\u5bfc\u51faExcel\u7684\u4f18\u5316\uff0c\u5728\u6211\u4e4b\u524d\u7684\u4e00\u7bc7\u6587\u7ae0\u91cc\u5df2\u7ecf\u505a\u8fc7\u4ecb\u7ecd\uff1a<a href=\"https:\/\/tsmliyun.github.io\/php\/%E5%85%B3%E4%BA%8EPHP%E5%86%85%E5%AD%98%E6%BA%A2%E5%87%BA%E7%9A%84%E6%80%9D%E8%80%83\/\">\u5173\u4e8ePHP\u5185\u5b58\u6ea2\u51fa\u7684\u601d\u8003<\/a>\uff0c\u672c\u6587\u4e3b\u8981\u662f\u4ecb\u7ecd\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5bfc\u51fa\u7ec4\u4ef6\u2013xlswriter,\u4ed6\u662f\u4e00\u4e2aPHP C\u6269\u5c55\uff0c\u5b98\u65b9\u6587\u6863\u5730\u5740\uff0c<a href=\"https:\/\/xlswriter-docs.viest.me\/\">\u8bf7\u70b9\u51fb<\/a>\u3002<\/p>\n\n<h2 id=\"\u5b89\u88c5\">\u5b89\u88c5<\/h2>\n\n<h3 id=\"\u5b89\u88c5pecl\">\u5b89\u88c5pecl<\/h3>\n\n<p>\u5f53\u6211\u4eec\u53d1\u73b0pecl\u672a\u5b89\u88c5\u65f6\uff0c\u5219\u9700\u8981\u5b89\u88c5pecl\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u662f\u5b89\u88c5\u5728PHP\u7684\u5b89\u88c5\u76ee\u5f55\uff0c\u793a\u4f8b\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"c\"># \u8fdb\u5165PHP\u5b89\u88c5\u76ee\u5f55<\/span>\n<span class=\"nb\">cd<\/span> \/usr\/local\/php\/bin\n\ncurl <span class=\"nt\">-o<\/span> go-pear.php http:\/\/pear.php.net\/go-pear.phar\n\nphp go-pear.php\n\n<span class=\"c\"># \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u8f6f\u8fde\u63a5\u5230bin\u76ee\u5f55\u4e0b<\/span>\n<span class=\"nb\">ln<\/span> <span class=\"nt\">-s<\/span> \/usr\/local\/php\/bin\/pecl \/usr\/bin\/pecl\n<\/code><\/pre><\/div><\/div>\n\n<h3 id=\"\u5b89\u88c5xlswriter\">\u5b89\u88c5xlswriter<\/h3>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>pecl <span class=\"nb\">install <\/span>xlswriter\n\n<span class=\"c\"># \u6dfb\u52a0 extension = xlswriter.so \u5230 ini \u914d\u7f6e<\/span>\n<\/code><\/pre><\/div><\/div>\n\n<h2 id=\"\u4f7f\u7528\">\u4f7f\u7528<\/h2>\n\n<p>\u5177\u4f53\u4f7f\u7528\u53ef\u4ee5\u53c2\u8003\u5b98\u65b9\u6587\u6863\uff0c\u4f1a\u4ecb\u7ecd\u7684\u66f4\u52a0\u8be6\u7ec6\uff0c\u6211\u8fd9\u5c31\u4e0a\u4e00\u6bb5\u6211\u4f7f\u7528\u4e2d\u7684\u4ee3\u7801\uff1a<\/p>\n\n<h3 id=\"\u5c01\u88c5\u7684\u5bfc\u51faservice\">\u5c01\u88c5\u7684\u5bfc\u51faservice<\/h3>\n\n<div class=\"language-php highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>    <span class=\"cd\">\/**\n     * \u4e0b\u8f7d\n     * @param $header\n     * @param $data\n     * @param $fileName\n     * @param $type\n     * @return bool\n     * @throws\n     *\/<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">download<\/span><span class=\"p\">(<\/span><span class=\"nv\">$header<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$data<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$fileName<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"nv\">$config<\/span>     <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\n            <span class=\"s1\">'path'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getTmpDir<\/span><span class=\"p\">()<\/span> <span class=\"mf\">.<\/span> <span class=\"s1\">'\/'<\/span><span class=\"p\">,<\/span>\n        <span class=\"p\">];<\/span>\n        <span class=\"nv\">$now<\/span>        <span class=\"o\">=<\/span> <span class=\"nb\">date<\/span><span class=\"p\">(<\/span><span class=\"s1\">'YmdHis'<\/span><span class=\"p\">);<\/span>\n        <span class=\"nv\">$fileName<\/span>   <span class=\"o\">=<\/span> <span class=\"nv\">$fileName<\/span> <span class=\"mf\">.<\/span> <span class=\"nv\">$now<\/span> <span class=\"mf\">.<\/span> <span class=\"s1\">'.xlsx'<\/span><span class=\"p\">;<\/span>\n        <span class=\"nv\">$xlsxObject<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"err\">\\<\/span><span class=\"nf\">Vtiful\\Kernel\\Excel<\/span><span class=\"p\">(<\/span><span class=\"nv\">$config<\/span><span class=\"p\">);<\/span>\n\n        <span class=\"c1\">\/\/ Init File<\/span>\n        <span class=\"nv\">$fileObject<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$xlsxObject<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">fileName<\/span><span class=\"p\">(<\/span><span class=\"nv\">$fileName<\/span><span class=\"p\">);<\/span>\n\n        <span class=\"c1\">\/\/ \u8bbe\u7f6e\u6837\u5f0f<\/span>\n        <span class=\"nv\">$fileHandle<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$fileObject<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getHandle<\/span><span class=\"p\">();<\/span>\n        <span class=\"nv\">$format<\/span>     <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"err\">\\<\/span><span class=\"nf\">Vtiful\\Kernel\\Format<\/span><span class=\"p\">(<\/span><span class=\"nv\">$fileHandle<\/span><span class=\"p\">);<\/span>\n        <span class=\"nv\">$style<\/span>      <span class=\"o\">=<\/span> <span class=\"nv\">$format<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">bold<\/span><span class=\"p\">()<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">background<\/span><span class=\"p\">(<\/span>\n            <span class=\"err\">\\<\/span><span class=\"nc\">Vtiful\\Kernel\\Format<\/span><span class=\"o\">::<\/span><span class=\"no\">COLOR_YELLOW<\/span>\n        <span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">align<\/span><span class=\"p\">(<\/span><span class=\"nc\">Format<\/span><span class=\"o\">::<\/span><span class=\"no\">FORMAT_ALIGN_VERTICAL_CENTER<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">toResource<\/span><span class=\"p\">();<\/span>\n\n        <span class=\"c1\">\/\/ Writing data to a file ......<\/span>\n        <span class=\"nv\">$fileObject<\/span><span class=\"o\">-&gt;<\/span><span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"nv\">$header<\/span><span class=\"p\">)<\/span>\n            <span class=\"o\">-&gt;<\/span><span class=\"nf\">data<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">)<\/span>\n            <span class=\"o\">-&gt;<\/span><span class=\"nf\">freezePanes<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span>\n            <span class=\"o\">-&gt;<\/span><span class=\"nf\">setRow<\/span><span class=\"p\">(<\/span><span class=\"s1\">'A1'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">20<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$style<\/span><span class=\"p\">);<\/span>\n\n        <span class=\"c1\">\/\/ Outptu<\/span>\n        <span class=\"nv\">$filePath<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$fileObject<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">output<\/span><span class=\"p\">();<\/span>\n\n\n\t\t\t\t<span class=\"c1\">\/\/ \u4e0b\u8f7d<\/span>\n \t\t\t\t<span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Content-Type: application\/vnd.openxmlformats-officedocument.spreadsheetml.sheet\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s1\">'Content-Disposition: attachment;filename=\"'<\/span> <span class=\"mf\">.<\/span> <span class=\"nv\">$fileName<\/span> <span class=\"mf\">.<\/span> <span class=\"s1\">'\"'<\/span><span class=\"p\">);<\/span>\n        <span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s1\">'Cache-Control: max-age=0'<\/span><span class=\"p\">);<\/span>\n        <span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s1\">'Content-Length: '<\/span> <span class=\"mf\">.<\/span> <span class=\"nb\">filesize<\/span><span class=\"p\">(<\/span><span class=\"nv\">$filePath<\/span><span class=\"p\">));<\/span>\n        <span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s1\">'Content-Transfer-Encoding: binary'<\/span><span class=\"p\">);<\/span>\n        <span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s1\">'Cache-Control: must-revalidate'<\/span><span class=\"p\">);<\/span>\n        <span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s1\">'Pragma: public'<\/span><span class=\"p\">);<\/span>\n        <span class=\"nb\">ob_clean<\/span><span class=\"p\">();<\/span>\n        <span class=\"nb\">flush<\/span><span class=\"p\">();<\/span>\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nb\">copy<\/span><span class=\"p\">(<\/span><span class=\"nv\">$filePath<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'php:\/\/output'<\/span><span class=\"p\">)<\/span> <span class=\"o\">===<\/span> <span class=\"kc\">false<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">RuntimeException<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u5bfc\u51fa\u5931\u8d25'<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n      \n        <span class=\"c1\">\/\/ Delete temporary file<\/span>\n        <span class=\"o\">@<\/span><span class=\"nb\">unlink<\/span><span class=\"p\">(<\/span><span class=\"nv\">$filePath<\/span><span class=\"p\">);<\/span>\n\n        <span class=\"k\">return<\/span> <span class=\"kc\">true<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"cd\">\/**\n     * \u83b7\u53d6\u4e34\u65f6\u6587\u4ef6\u5939\n     * @return false|string\n     *\/<\/span>\n    <span class=\"k\">private<\/span> <span class=\"k\">function<\/span> <span class=\"n\">getTmpDir<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">{<\/span>\n      \t<span class=\"c1\">\/\/ \u76ee\u5f55\u53ef\u4ee5\u81ea\u5b9a\u4e49<\/span>\n      \t<span class=\"c1\">\/\/ return \\Yii::$app-&gt;params['downloadPath'];<\/span>\n      \n        <span class=\"nv\">$tmp<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">ini_get<\/span><span class=\"p\">(<\/span><span class=\"s1\">'upload_tmp_dir'<\/span><span class=\"p\">);<\/span>\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$tmp<\/span> <span class=\"o\">!==<\/span> <span class=\"kc\">False<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"nb\">file_exists<\/span><span class=\"p\">(<\/span><span class=\"nv\">$tmp<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n            <span class=\"k\">return<\/span> <span class=\"nb\">realpath<\/span><span class=\"p\">(<\/span><span class=\"nv\">$tmp<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nb\">realpath<\/span><span class=\"p\">(<\/span><span class=\"nb\">sys_get_temp_dir<\/span><span class=\"p\">());<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"cd\">\/**\n     * \u8bfb\u53d6\u6587\u4ef6\n     * @param $path\n     * @param $fileName\n     * @return array\n     *\/<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">readFile<\/span><span class=\"p\">(<\/span><span class=\"nv\">$path<\/span><span class=\"p\">,<\/span><span class=\"nv\">$fileName<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"c1\">\/\/ \u8bfb\u53d6\u6d4b\u8bd5\u6587\u4ef6<\/span>\n        <span class=\"nv\">$config<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s1\">'path'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$path<\/span><span class=\"p\">];<\/span>\n        <span class=\"nv\">$excel<\/span>  <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"err\">\\<\/span><span class=\"nf\">Vtiful\\Kernel\\Excel<\/span><span class=\"p\">(<\/span><span class=\"nv\">$config<\/span><span class=\"p\">);<\/span>\n        <span class=\"nv\">$data<\/span>   <span class=\"o\">=<\/span> <span class=\"nv\">$excel<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">openFile<\/span><span class=\"p\">(<\/span><span class=\"nv\">$fileName<\/span><span class=\"p\">)<\/span>\n            <span class=\"o\">-&gt;<\/span><span class=\"nf\">openSheet<\/span><span class=\"p\">()<\/span>\n            <span class=\"o\">-&gt;<\/span><span class=\"nf\">getSheetData<\/span><span class=\"p\">();<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nv\">$data<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n<\/code><\/pre><\/div><\/div>\n\n<h3 id=\"\u8c03\u7528\u5904\u4ee3\u7801\">\u8c03\u7528\u5904\u4ee3\u7801<\/h3>\n\n<h4 id=\"\u5bfc\u51fa\">\u5bfc\u51fa<\/h4>\n\n<div class=\"language-php highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>    <span class=\"cd\">\/**\n     * \u5bfc\u51fa\n     *\/<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">actionExport<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"k\">try<\/span> <span class=\"p\">{<\/span>\n            <span class=\"cd\">\/**\n             * @var $searchModel SkuBarCodeSearch\n             *\/<\/span>\n            <span class=\"nv\">$searchModel<\/span>                     <span class=\"o\">=<\/span> <span class=\"nc\">Yii<\/span><span class=\"o\">::<\/span><span class=\"nf\">createObject<\/span><span class=\"p\">(<\/span><span class=\"nc\">SkuBarCodeSearch<\/span><span class=\"o\">::<\/span><span class=\"nf\">className<\/span><span class=\"p\">());<\/span>\n            <span class=\"nv\">$queryParams<\/span><span class=\"p\">[<\/span><span class=\"s1\">'SkuBarCodeSearch'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\n\n            <span class=\"nv\">$result<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$searchModel<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">search<\/span><span class=\"p\">(<\/span><span class=\"nv\">$queryParams<\/span><span class=\"p\">,<\/span> <span class=\"kc\">true<\/span><span class=\"p\">);<\/span>\n\n            <span class=\"nv\">$formatData<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\n            <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nb\">empty<\/span><span class=\"p\">(<\/span><span class=\"nv\">$result<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n                <span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$result<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$key<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"o\">&amp;<\/span><span class=\"nv\">$value<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n                    <span class=\"nv\">$tmpData<\/span>      <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\n                        <span class=\"s1\">'sku_code'<\/span>   <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$value<\/span><span class=\"p\">[<\/span><span class=\"s1\">'sku_code'<\/span><span class=\"p\">],<\/span>\n                        <span class=\"s1\">'bar_code'<\/span>   <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$value<\/span><span class=\"p\">[<\/span><span class=\"s1\">'bar_code'<\/span><span class=\"p\">],<\/span>\n                        <span class=\"s1\">'created_at'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$value<\/span><span class=\"p\">[<\/span><span class=\"s1\">'created_at'<\/span><span class=\"p\">],<\/span>\n                        <span class=\"s1\">'updated_at'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$value<\/span><span class=\"p\">[<\/span><span class=\"s1\">'updated_at'<\/span><span class=\"p\">],<\/span>\n                    <span class=\"p\">];<\/span>\n                    <span class=\"nv\">$formatData<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">array_values<\/span><span class=\"p\">(<\/span><span class=\"nv\">$tmpData<\/span><span class=\"p\">);<\/span>\n                <span class=\"p\">}<\/span>\n                <span class=\"nb\">unset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$value<\/span><span class=\"p\">);<\/span>\n            <span class=\"p\">}<\/span>\n\n            <span class=\"nv\">$fields<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\n                <span class=\"s1\">'sku_code'<\/span>   <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'SKU\u7f16\u7801'<\/span><span class=\"p\">,<\/span>\n                <span class=\"s1\">'bar_code'<\/span>   <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'\u6761\u5f62\u7801'<\/span><span class=\"p\">,<\/span>\n                <span class=\"s1\">'created_at'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'\u521b\u5efa\u65f6\u95f4'<\/span><span class=\"p\">,<\/span>\n                <span class=\"s1\">'updated_at'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'\u66f4\u65b0\u65f6\u95f4'<\/span><span class=\"p\">,<\/span>\n            <span class=\"p\">];<\/span>\n\n            <span class=\"cd\">\/**\n             * @var $utilService UtilService\n             *\/<\/span>\n            <span class=\"nv\">$utilService<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">UtilService<\/span><span class=\"o\">::<\/span><span class=\"nf\">getInstance<\/span><span class=\"p\">();<\/span>\n            <span class=\"nv\">$utilService<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">download<\/span><span class=\"p\">(<\/span><span class=\"nb\">array_values<\/span><span class=\"p\">(<\/span><span class=\"nv\">$fields<\/span><span class=\"p\">),<\/span> <span class=\"nv\">$formatData<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'sku_single_code'<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span> <span class=\"k\">catch<\/span> <span class=\"p\">(<\/span><span class=\"err\">\\<\/span><span class=\"nc\">Exception<\/span> <span class=\"nv\">$e<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nc\">Yii<\/span><span class=\"o\">::<\/span><span class=\"nv\">$app<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getSession<\/span><span class=\"p\">()<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">setFlash<\/span><span class=\"p\">(<\/span><span class=\"s1\">'error'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'\u5bfc\u51fa\u5931\u8d25'<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n<\/code><\/pre><\/div><\/div>\n\n<h4 id=\"\u5bfc\u5165\">\u5bfc\u5165<\/h4>\n\n<div class=\"language-php highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">actionImportTmpSku<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"k\">try<\/span> <span class=\"p\">{<\/span>\n            <span class=\"cd\">\/**\n             * @var $utilService UtilService\n             *\/<\/span>\n            <span class=\"nv\">$utilService<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">UtilService<\/span><span class=\"o\">::<\/span><span class=\"nf\">getInstance<\/span><span class=\"p\">();<\/span>\n            <span class=\"nv\">$path<\/span>        <span class=\"o\">=<\/span> <span class=\"s1\">'\/tmp\/'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ \u6587\u4ef6\u76ee\u5f55<\/span>\n            <span class=\"nv\">$fileName<\/span>    <span class=\"o\">=<\/span> <span class=\"s1\">'sku_0320.xlsx'<\/span><span class=\"p\">;<\/span>\n            <span class=\"nv\">$excelData<\/span>   <span class=\"o\">=<\/span> <span class=\"nv\">$utilService<\/span><span class=\"o\">-&gt;<\/span><span class=\"nb\">readFile<\/span><span class=\"p\">(<\/span><span class=\"nv\">$path<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$fileName<\/span><span class=\"p\">);<\/span>\n\n            <span class=\"nb\">unset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$excelData<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]);<\/span>\n            <span class=\"nv\">$excelData<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">array_merge<\/span><span class=\"p\">(<\/span><span class=\"nv\">$excelData<\/span><span class=\"p\">);<\/span>\n\n           \t<span class=\"c1\">\/\/ ... ... \u4e1a\u52a1\u4ee3\u7801<\/span>\n\n        <span class=\"p\">}<\/span> <span class=\"k\">catch<\/span> <span class=\"p\">(<\/span><span class=\"err\">\\<\/span><span class=\"nc\">Exception<\/span> <span class=\"nv\">$e<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"k\">echo<\/span> <span class=\"nv\">$e<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">getMessage<\/span><span class=\"p\">();<\/span>\n            <span class=\"k\">exit<\/span><span class=\"p\">;<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n<\/code><\/pre><\/div><\/div>\n\n<h2 id=\"\u7ed3\u8bba\">\u7ed3\u8bba<\/h2>\n\n<p>\u6574\u4f53\u4f7f\u7528\u4e0b\u6765\uff0c\u5728\u5904\u7406\u5927\u6570\u636e\u91cf\u65f6\uff0c\u6027\u80fd\u76f8\u6bd4\u4e8e\u539f\u6765\u7684PHPExcel\u786e\u5b9e\u9ad8\u4e86\u5f88\u591a\u3002<\/p>\n\n","pubDate":"Sat, 21 Mar 2020 00:00:00 +0000","link":"https:\/\/tsmliyun.github.io\/php\/PHP%E5%AF%BC%E5%87%BAExcel%E7%9A%84%E4%BC%98%E5%8C%96\/","guid":"https:\/\/tsmliyun.github.io\/php\/PHP%E5%AF%BC%E5%87%BAExcel%E7%9A%84%E4%BC%98%E5%8C%96\/","category":["PHP","PHP"]},{"title":"\u6d45\u8c08Python\u7684\u6570\u636e\u7ed3\u6784","description":"<h2 id=\"\u80cc\u666f\">\u80cc\u666f<\/h2>\n\n<p>\u6700\u8fd1\u5728\u5b66\u4e60Python\uff0c\u672c\u6587\u4e3b\u8981\u8bb0\u5f55\u5728\u5b66\u4e60Python\u65f6\u5173\u4e8e\u6570\u636e\u7ed3\u6784\u7684\u4e00\u4e9b\u5fc3\u5f97\u3002<\/p>\n\n<h2 id=\"\u6570\u636e\u7ed3\u6784\">\u6570\u636e\u7ed3\u6784<\/h2>\n\n<h3 id=\"\u5217\u8868\">\u5217\u8868<\/h3>\n\n<div class=\"language-python highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"c1\"># \u5217\u8868 demo\n<\/span><span class=\"n\">shopList<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">'apple'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'mango'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'carrot'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'banana'<\/span><span class=\"p\">]<\/span>\n\n<span class=\"c1\"># len() \u8ba1\u7b97\u5217\u8868\u957f\u5ea6\n<\/span><span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">shopList<\/span><span class=\"p\">))<\/span>\n\n<span class=\"c1\"># \u904d\u5386\u5217\u8868\n<\/span><span class=\"k\">for<\/span> <span class=\"n\">item<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">shopList<\/span><span class=\"p\">:<\/span>\n    <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">item<\/span><span class=\"p\">,<\/span> <span class=\"n\">end<\/span><span class=\"o\">=<\/span><span class=\"s\">' '<\/span><span class=\"p\">)<\/span>\n    \n<span class=\"c1\"># \u8ffd\u52a0\u5143\u7d20\n<\/span><span class=\"n\">shopList<\/span><span class=\"p\">.<\/span><span class=\"n\">append<\/span><span class=\"p\">(<\/span><span class=\"s\">'rice'<\/span><span class=\"p\">)<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">'My shopping list is now'<\/span><span class=\"p\">,<\/span> <span class=\"n\">shopList<\/span><span class=\"p\">)<\/span>\n\n<span class=\"c1\"># \u6392\u5e8f\n<\/span><span class=\"n\">shopList<\/span><span class=\"p\">.<\/span><span class=\"n\">sort<\/span><span class=\"p\">()<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">'My shopping list is now'<\/span><span class=\"p\">,<\/span> <span class=\"n\">shopList<\/span><span class=\"p\">)<\/span>\n\n<span class=\"c1\"># \u5220\u9664\u5143\u7d20\n<\/span><span class=\"k\">del<\/span> <span class=\"n\">shopList<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">'My shopping list is now'<\/span><span class=\"p\">,<\/span> <span class=\"n\">shopList<\/span><span class=\"p\">)<\/span>\n\n<span class=\"c1\"># \u5217\u8868\u4e2d\u63d2\u5165\u5143\u7d20\n<\/span><span class=\"n\">shopList<\/span><span class=\"p\">.<\/span><span class=\"n\">insert<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"s\">'red'<\/span><span class=\"p\">)<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">'My shopping list is now'<\/span><span class=\"p\">,<\/span> <span class=\"n\">shopList<\/span><span class=\"p\">)<\/span>\n\n<span class=\"c1\"># \u5217\u8868\u5c3e\u90e8\u79fb\u9664\u5143\u7d20\n<\/span><span class=\"n\">shopList<\/span><span class=\"p\">.<\/span><span class=\"n\">pop<\/span><span class=\"p\">()<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">'My shopping list is now'<\/span><span class=\"p\">,<\/span> <span class=\"n\">shopList<\/span><span class=\"p\">)<\/span>\n<\/code><\/pre><\/div><\/div>\n\n<blockquote>\n  <p>Python\u4e2d\u7684\u5217\u8868\u7c7b\u4f3c\u4e8ePHP\u4e2d\u7684\u6570\u503c\u6570\u7ec4<\/p>\n<\/blockquote>\n\n<h3 id=\"\u5143\u7ec4\">\u5143\u7ec4<\/h3>\n\n<div class=\"language-python highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"c1\"># \u5143\u7ec4 demo\n<\/span><span class=\"n\">zoo<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"s\">'python'<\/span><span class=\"p\">,<\/span><span class=\"s\">'elephant'<\/span><span class=\"p\">,<\/span><span class=\"s\">'penguin'<\/span><span class=\"p\">)<\/span>\n\n<span class=\"c1\"># len() \u8ba1\u7b97\u957f\u5ea6\n<\/span><span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">zoo<\/span><span class=\"p\">))<\/span>\n\n<span class=\"c1\"># \u8bbf\u95ee\u5143\u7ec4\u4e2d\u7684\u503c\n<\/span><span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">zoo<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">])<\/span>\n\n<\/code><\/pre><\/div><\/div>\n\n<blockquote>\n  <p>\u5143\u7ec4\u548c\u5217\u8868\u975e\u5e38\u7c7b\u4f3c\uff0c\u4f46\u662f\u5143\u7ec4\u521d\u59cb\u5316\u540e\u503c\u4e0d\u53ef\u4ee5\u4fee\u6539\u3002<\/p>\n<\/blockquote>\n\n<h3 id=\"\u5b57\u5178\">\u5b57\u5178<\/h3>\n\n<div class=\"language-python highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"c1\"># \u5b57\u5178\u7684demo\n<\/span><span class=\"n\">ab<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n    <span class=\"s\">'Swaroop'<\/span><span class=\"p\">:<\/span> <span class=\"s\">'swaroop@swaroopch.com'<\/span><span class=\"p\">,<\/span>\n    <span class=\"s\">'Larry'<\/span><span class=\"p\">:<\/span> <span class=\"s\">'larry@wall.org'<\/span><span class=\"p\">,<\/span>\n    <span class=\"s\">'Matsumoto'<\/span><span class=\"p\">:<\/span> <span class=\"s\">'matz@ruby-lang.org'<\/span><span class=\"p\">,<\/span>\n    <span class=\"s\">'Spammer'<\/span><span class=\"p\">:<\/span> <span class=\"s\">'spammer@hotmail.com'<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"c1\"># \u8bbf\u95ee\u5b57\u5178\u4e2d\u7684\u5143\u7d20\n<\/span><span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">ab<\/span><span class=\"p\">[<\/span><span class=\"s\">'Swaroop'<\/span><span class=\"p\">])<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">ab<\/span><span class=\"p\">.<\/span><span class=\"n\">get<\/span><span class=\"p\">(<\/span><span class=\"s\">'Swaroop'<\/span><span class=\"p\">))<\/span>\n\n<span class=\"c1\"># \u8d4b\u503c\n<\/span><span class=\"n\">ab<\/span><span class=\"p\">[<\/span><span class=\"s\">'test'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'test'<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">ab<\/span><span class=\"p\">)<\/span>\n\n<span class=\"c1\"># \u5220\u9664\u5143\u7d20\n<\/span><span class=\"n\">ab<\/span><span class=\"p\">.<\/span><span class=\"n\">pop<\/span><span class=\"p\">(<\/span><span class=\"s\">'Larry'<\/span><span class=\"p\">)<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">ab<\/span><span class=\"p\">)<\/span>\n\n<span class=\"k\">del<\/span> <span class=\"n\">ab<\/span><span class=\"p\">[<\/span><span class=\"s\">'Spammer'<\/span><span class=\"p\">]<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">ab<\/span><span class=\"p\">)<\/span>\n\n<span class=\"c1\"># \u904d\u5386\u5b57\u5178\n<\/span><span class=\"k\">for<\/span> <span class=\"n\">name<\/span><span class=\"p\">,<\/span> <span class=\"n\">address<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">ab<\/span><span class=\"p\">.<\/span><span class=\"n\">items<\/span><span class=\"p\">():<\/span>\n    <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">'Contact {} at {}'<\/span><span class=\"p\">.<\/span><span class=\"nb\">format<\/span><span class=\"p\">(<\/span><span class=\"n\">name<\/span><span class=\"p\">,<\/span> <span class=\"n\">address<\/span><span class=\"p\">))<\/span>\n<\/code><\/pre><\/div><\/div>\n\n<blockquote>\n  <p>Python\u4e2d\u7684\u5b57\u5178\u7c7b\u4f3c\u4e8ePHP\u7684\u5173\u8054\u6570\u7ec4<\/p>\n<\/blockquote>\n\n<h3 id=\"\u96c6\u5408\">\u96c6\u5408<\/h3>\n\n<div class=\"language-python highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"c1\"># \u96c6\u5408demo\n<\/span><span class=\"n\">bri<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">set<\/span><span class=\"p\">([<\/span><span class=\"s\">'bra'<\/span><span class=\"p\">,<\/span><span class=\"s\">'rus'<\/span><span class=\"p\">,<\/span><span class=\"s\">'ind'<\/span><span class=\"p\">])<\/span>\n\n<span class=\"c1\"># \u65b0\u589e\u5143\u7d20\n<\/span><span class=\"n\">bri<\/span><span class=\"p\">.<\/span><span class=\"n\">add<\/span><span class=\"p\">(<\/span><span class=\"s\">'test'<\/span><span class=\"p\">)<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">bri<\/span><span class=\"p\">)<\/span>\n\n<span class=\"c1\"># \u79fb\u9664\u5143\u7d20\n<\/span><span class=\"n\">bri<\/span><span class=\"p\">.<\/span><span class=\"n\">remove<\/span><span class=\"p\">(<\/span><span class=\"s\">'rus'<\/span><span class=\"p\">)<\/span>\n<span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">bri<\/span><span class=\"p\">)<\/span>\n\n<span class=\"c1\"># \u5224\u65ad\u5143\u7d20\u662f\u5426\u5b58\u5728\u96c6\u5408\u4e2d\n<\/span><span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"s\">'bra'<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">bri<\/span><span class=\"p\">)<\/span>\n<\/code><\/pre><\/div><\/div>\n\n<h2 id=\"\u603b\u7ed3\">\u603b\u7ed3<\/h2>\n\n<p>\u4ee5\u4e0a\u5217\u4e3e\u4e86Python\u4e2d\u56db\u5927\u6570\u636e\u7ed3\u6784\u7684\u7b80\u5355\u7528\u6cd5\u3002\u5982\u6709\u9519\u8bef\uff0c\u6b22\u8fce\u6307\u6b63\u3002<\/p>\n\n<p>\u8d81\u7740\u75ab\u60c5\u671f\u95f4\uff0c\u591a\u5b66\u4e60\u5b66\u4e60~<\/p>\n\n","pubDate":"Wed, 11 Mar 2020 00:00:00 +0000","link":"https:\/\/tsmliyun.github.io\/python\/PHPer%E6%B5%85%E8%B0%88Python%E7%9A%84%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84\/","guid":"https:\/\/tsmliyun.github.io\/python\/PHPer%E6%B5%85%E8%B0%88Python%E7%9A%84%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84\/","category":["Python","PHP","\u6570\u636e\u7ed3\u6784","Python"]},{"title":"gocron\u5165\u95e8\u7b14\u8bb0","description":"<h2 id=\"\u80cc\u666f\">\u80cc\u666f<\/h2>\n\n<p>\u6700\u8fd1\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u611f\u89c9\u5230\u7ba1\u7406\u5728\u4e0d\u540c\u673a\u5668\u4e0a\u7684\u7ba1\u7406\u4e0d\u540c\u5b9a\u65f6\u4efb\u52a1\u6709\u70b9\u9ebb\u70e6\uff0c\u4e8e\u662f\u60f3\u96c6\u4e2d\u5316\u7ba1\u7406\u5b9a\u65f6\u4efb\u52a1\u3002\u7ecf\u8fc7\u4e00\u756a\u8c03\u7814\uff0c\u9009\u62e9\u4e86gocron-\u5b9a\u65f6\u4efb\u52a1\u7ba1\u7406\u7cfb\u7edf\u3002<\/p>\n\n<h2 id=\"\u4ecb\u7ecd\">\u4ecb\u7ecd<\/h2>\n\n<p>github\u5730\u5740\uff1ahttps:\/\/github.com\/ouqiang\/gocron<\/p>\n\n<p>\u4f18\u52bf\uff1a\u57fa\u4e8ego\u8bed\u8a00\u5f00\u53d1\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7\u5b9a\u65f6\u4efb\u52a1\u96c6\u4e2d\u8c03\u5ea6\u548c\u7ba1\u7406\u7cfb\u7edf,\u6027\u80fd\u9ad8\uff0c\u9875\u9762\u64cd\u4f5c\u4e5f\u5f88\u7b80\u5355\u3002<\/p>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/go-cron.png\" alt=\"go-cron\" \/><\/p>\n\n<h2 id=\"\u5b89\u88c5\">\u5b89\u88c5<\/h2>\n\n<p>\u5b89\u88c5\u8fc7\u7a0b\u6bd4\u8f83\u7b80\u5355\uff0cgithub\u9879\u76ee\u91cc\u6709\u4ecb\u7ecd\uff0c\u4e00\u6b65\u6b65\u6765\u57fa\u672c\u4e0d\u4f1a\u6709\u95ee\u9898\u3002\u8fd9\u91cc\u6982\u62ec\u4e0b\u51e0\u4e2a\u70b9\uff1a<\/p>\n\n<ul>\n  <li>\u9700\u8981\u4e0b\u8f7d <code class=\"language-plaintext highlighter-rouge\">gocron<\/code> \u548c <code class=\"language-plaintext highlighter-rouge\">gocron-node<\/code> \u4e24\u4e2a\u5305<\/li>\n  <li>gocron\u662fweb\u914d\u7f6e\u5e73\u53f0 \uff0c\u76d1\u542c5920\u7aef\u53e3\uff1bgocron-node \u662f\u60f3\u8981\u6267\u884c\u7684\u4efb\u52a1\u8282\u70b9\u670d\u52a1\u5668\u90e8\u7f72\u7684\u7a0b\u5e8f\uff0c\u76d1\u542c5921\u7aef\u53e3<\/li>\n<\/ul>\n\n<h2 id=\"supervisor\u7ba1\u7406\">Supervisor\u7ba1\u7406<\/h2>\n\n<p>\u4f7f\u7528supervisor\u7ba1\u7406\uff0c\u4fdd\u8bc1\u8fdb\u7a0b\u7684\u7a33\u5b9a\u8fd0\u884c\u3002supervisor\u7684\u4f7f\u7528\u672c\u6587\u4e0d\u505a\u4ecb\u7ecd\u4e86\uff0c\u4e3b\u8981\u662f\u8bf4\u660e\u4e0bsupervisor\u7684\u914d\u7f6e\uff0c\u5982\u4e0b\uff1a<\/p>\n\n<ol>\n  <li>\n    <p>go-cron-node<\/p>\n\n    <div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"o\">[<\/span>program:go-cron-node]\n<span class=\"nv\">process_name<\/span><span class=\"o\">=<\/span>%<span class=\"o\">(<\/span>program_name<span class=\"o\">)<\/span>s_%<span class=\"o\">(<\/span>process_num<span class=\"o\">)<\/span>02d\n<span class=\"nv\">directory<\/span><span class=\"o\">=<\/span>\/usr\/local\/server\/gocron-node\n<span class=\"nb\">command<\/span><span class=\"o\">=<\/span>\/usr\/local\/server\/gocron-node\/gocron-node\n<span class=\"nv\">autostart<\/span><span class=\"o\">=<\/span><span class=\"nb\">true\n<\/span><span class=\"nv\">autorestart<\/span><span class=\"o\">=<\/span><span class=\"nb\">true\n<\/span><span class=\"nv\">user<\/span><span class=\"o\">=<\/span>release\n<span class=\"nv\">numprocs<\/span><span class=\"o\">=<\/span>1\n<span class=\"nv\">startsecs<\/span><span class=\"o\">=<\/span>3\n<span class=\"nv\">startretries<\/span><span class=\"o\">=<\/span>5\n<span class=\"nv\">redirect_stderr<\/span><span class=\"o\">=<\/span><span class=\"nb\">true\n<\/span><span class=\"nv\">stdout_logfile_maxbytes<\/span><span class=\"o\">=<\/span>20MB\n<span class=\"nv\">stdout_logfile_backups<\/span><span class=\"o\">=<\/span>20\n<span class=\"nv\">stdout_logfile<\/span><span class=\"o\">=<\/span>\/data\/log\/supervisor\/go_cron_node.log\n<\/code><\/pre><\/div>    <\/div>\n  <\/li>\n  <li>\n    <p>go-cron<\/p>\n\n    <div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"nv\">process_name<\/span><span class=\"o\">=<\/span>%<span class=\"o\">(<\/span>program_name<span class=\"o\">)<\/span>s_%<span class=\"o\">(<\/span>process_num<span class=\"o\">)<\/span>02d\n<span class=\"nv\">directory<\/span><span class=\"o\">=<\/span>\/usr\/local\/server\/gocron\n<span class=\"nb\">command<\/span><span class=\"o\">=<\/span>\/usr\/local\/server\/gocron\/gocron web\n<span class=\"nv\">autostart<\/span><span class=\"o\">=<\/span><span class=\"nb\">true\n<\/span><span class=\"nv\">autorestart<\/span><span class=\"o\">=<\/span><span class=\"nb\">true\n<\/span><span class=\"nv\">user<\/span><span class=\"o\">=<\/span>release\n<span class=\"nv\">numprocs<\/span><span class=\"o\">=<\/span>1\n<span class=\"nv\">startsecs<\/span><span class=\"o\">=<\/span>3\n<span class=\"nv\">startretries<\/span><span class=\"o\">=<\/span>5\n<span class=\"nv\">redirect_stderr<\/span><span class=\"o\">=<\/span><span class=\"nb\">true\n<\/span><span class=\"nv\">stdout_logfile_maxbytes<\/span><span class=\"o\">=<\/span>20MB\n<span class=\"nv\">stdout_logfile_backups<\/span><span class=\"o\">=<\/span>20\n<span class=\"nv\">stdout_logfile<\/span><span class=\"o\">=<\/span>\/data\/log\/supervisor\/go_cron.log\n<\/code><\/pre><\/div>    <\/div>\n  <\/li>\n<\/ol>\n\n<h2 id=\"\u7ed3\u675f\u8bed\">\u7ed3\u675f\u8bed<\/h2>\n\n<p>\u56e0\u4e3a\u4f5c\u8005\u6ca1\u6709\u4f7f\u7528\u8fc7\u5176\u4ed6\u5b9a\u65f6\u4efb\u52a1\u7ba1\u7406\u7cfb\u7edf\uff0c\u6ca1\u6709\u6bd4\u8f83\u7684\u6807\u51c6\uff0c\u4e0a\u624bgocron\u4e4b\u540e\u611f\u89c9\u5f88\u597d\u7528\uff0c\u5982\u679c\u8bfb\u8005\u4eec\u6709\u4ec0\u4e48\u5176\u4ed6\u7684\u5b9a\u65f6\u4efb\u52a1\u7ba1\u7406\u7cfb\u7edf\u63a8\u8350\uff0c\u6b22\u8fce\u63a8\u8350\u548c\u4ea4\u6d41\u3002<\/p>\n","pubDate":"Sat, 16 Nov 2019 00:00:00 +0000","link":"https:\/\/tsmliyun.github.io\/go\/gocron%E5%85%A5%E9%97%A8%E7%AC%94%E8%AE%B0\/","guid":"https:\/\/tsmliyun.github.io\/go\/gocron%E5%85%A5%E9%97%A8%E7%AC%94%E8%AE%B0\/","category":["GO","Supervisor","Linux","Crontab","GO"]},{"title":"Elasticsearch\u7684\u5b89\u88c5\u548c\u7b80\u5355\u914d\u7f6e","description":"<h1 id=\"\u5b89\u88c5\">\u5b89\u88c5<\/h1>\n\n<h2 id=\"\u4e0b\u8f7d\u5730\u5740\">\u4e0b\u8f7d\u5730\u5740<\/h2>\n\n<p>https:\/\/www.elastic.co\/cn\/downloads\/elasticsearch<\/p>\n\n<h2 id=\"\u5b89\u88c5-1\">\u5b89\u88c5<\/h2>\n\n<p>\u4e0b\u8f7d\u597d\u5b89\u88c5\u5305\u4e4b\u540e\uff0c\u89e3\u538b\u7f29\u6587\u4ef6\uff1a<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"nb\">tar<\/span> <span class=\"nt\">-zxvf<\/span> elasticsearch-7.4.2-linux-x86_64.tar.gz\n<\/code><\/pre><\/div><\/div>\n\n<h1 id=\"\u6587\u4ef6\u76ee\u5f55\u7ed3\u6784\">\u6587\u4ef6\u76ee\u5f55\u7ed3\u6784<\/h1>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u76ee\u5f55<\/th>\n      <th>\u914d\u7f6e\u6587\u4ef6<\/th>\n      <th>\u63cf\u8ff0<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>bin<\/td>\n      <td>\u00a0<\/td>\n      <td>\u811a\u672c\u6587\u4ef6\uff0c\u5305\u62ec\u542f\u52a8elasticsearch,\u5b89\u88c5\u63d2\u4ef6\u7b49<\/td>\n    <\/tr>\n    <tr>\n      <td>config<\/td>\n      <td>elasticsearch.yml<\/td>\n      <td>\u96c6\u7fa4\u914d\u7f6e\u6587\u4ef6\uff0cuser ,role based\u76f8\u5173\u914d\u7f6e<\/td>\n    <\/tr>\n    <tr>\n      <td>JDK<\/td>\n      <td>\u00a0<\/td>\n      <td>JAVA\u8fd0\u884c\u73af\u5883<\/td>\n    <\/tr>\n    <tr>\n      <td>data<\/td>\n      <td>path.data<\/td>\n      <td>\u6570\u636e\u6587\u4ef6<\/td>\n    <\/tr>\n    <tr>\n      <td>lib<\/td>\n      <td>\u00a0<\/td>\n      <td>Java\u7c7b\u5e93<\/td>\n    <\/tr>\n    <tr>\n      <td>logs<\/td>\n      <td>path.log<\/td>\n      <td>\u65e5\u5fd7\u6587\u4ef6<\/td>\n    <\/tr>\n    <tr>\n      <td>modules<\/td>\n      <td>\u00a0<\/td>\n      <td>\u5305\u542b\u6240\u6709ES\u6a21\u5757<\/td>\n    <\/tr>\n    <tr>\n      <td>plugins<\/td>\n      <td>\u00a0<\/td>\n      <td>\u5305\u542b\u5df2\u5b89\u88c5\u7684\u63d2\u4ef6<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<h1 id=\"\u542f\u52a8es\">\u542f\u52a8ES<\/h1>\n\n<h2 id=\"\u62a5\u9519\u63d0\u793a\">\u62a5\u9519\u63d0\u793a<\/h2>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>future versions of Elasticsearch will require Java 11<span class=\"p\">;<\/span> your Java version from <span class=\"o\">[<\/span>\/usr\/local\/java\/jdk1.8\/jdk1.8.0_171\/jre] does not meet this requirement\n<span class=\"o\">[<\/span>2019-11-09T00:47:38,667][WARN <span class=\"o\">][<\/span>o.e.b.ElasticsearchUncaughtExceptionHandler] <span class=\"o\">[<\/span>izbp12hdvl4ksivp63qmfrz] uncaught exception <span class=\"k\">in <\/span>thread <span class=\"o\">[<\/span>main]\norg.elasticsearch.bootstrap.StartupException: java.lang.RuntimeException: can not run elasticsearch as root\n\tat org.elasticsearch.bootstrap.Elasticsearch.init<span class=\"o\">(<\/span>Elasticsearch.java:163<span class=\"o\">)<\/span> ~[elasticsearch-7.4.2.jar:7.4.2]\n\tat org.elasticsearch.bootstrap.Elasticsearch.execute<span class=\"o\">(<\/span>Elasticsearch.java:150<span class=\"o\">)<\/span> ~[elasticsearch-7.4.2.jar:7.4.2]\n... ...\n<\/code><\/pre><\/div><\/div>\n\n<p>\u4ee5\u4e0a\u4fe1\u606f\u63d0\u793a\uff0c\u67092\u70b9\uff1a<\/p>\n\n<ol>\n  <li>\n    <p>\u63d0\u793a\u672c\u5730\u4e3ajdk8,\u800c\u5f53\u524d\u7248\u672c\u7684ES\u9700\u8981jdk11\u7248\u672c\uff0c\u65b0\u7248\u7684ES\u662f\u5185\u7f6e\u7684java\u73af\u5883\uff0c\u6240\u4ee5\u6b64\u63d0\u793a\u53ef\u4ee5\u5ffd\u7565<\/p>\n  <\/li>\n  <li>\n    <p>elasticsearch\u4e0d\u80fd\u4ee5root\u7528\u6237\u542f\u52a8\u7684<\/p>\n  <\/li>\n<\/ol>\n\n<h2 id=\"\u89e3\u51b3\u65b9\u6cd5\">\u89e3\u51b3\u65b9\u6cd5<\/h2>\n\n<h3 id=\"\u6dfb\u52a0\u7528\u6237\u7ec4\u548c\u7528\u6237\">\u6dfb\u52a0\u7528\u6237\u7ec4\u548c\u7528\u6237<\/h3>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>groupadd elsearch\nuseradd elsearch <span class=\"nt\">-g<\/span> elsearch\n<\/code><\/pre><\/div><\/div>\n\n<h3 id=\"\u4fee\u6539es\u6587\u4ef6\u5939\u6240\u5c5e\u7528\u6237\u548c\u7528\u6237\u7ec4\">\u4fee\u6539es\u6587\u4ef6\u5939\u6240\u5c5e\u7528\u6237\u548c\u7528\u6237\u7ec4<\/h3>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"nb\">chown<\/span> <span class=\"nt\">-R<\/span> elsearch:elsearch  \/usr\/local\/webserver\/elasticsearch-7.4.2\n<\/code><\/pre><\/div><\/div>\n\n<h3 id=\"\u5207\u6362\u7528\u6237\">\u5207\u6362\u7528\u6237<\/h3>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>su elsearch\n<\/code><\/pre><\/div><\/div>\n\n<h3 id=\"\u542f\u52a8es-1\">\u542f\u52a8es<\/h3>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>bin\/elasticsearch\n<\/code><\/pre><\/div><\/div>\n\n<h2 id=\"\u9a8c\u8bc1\">\u9a8c\u8bc1<\/h2>\n\n<p>\u8bf7\u6c42\u81ea\u5df1\u7684IP\u5730\u5740:9200\uff0c\u5c31\u4f1a\u51fa\u73b0\u4e0b\u9762\u7684\u7ed3\u679c:<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"o\">[<\/span>root@iZuf6b8f6yfdzu95aqolkcZ ~]# curl 127.0.0.1:9200\n<span class=\"o\">{<\/span>\n  <span class=\"s2\">\"name\"<\/span> : <span class=\"s2\">\"iZuf6b8f6yfdzu95aqolkcZ\"<\/span>,\n  <span class=\"s2\">\"cluster_name\"<\/span> : <span class=\"s2\">\"elasticsearch\"<\/span>,\n  <span class=\"s2\">\"cluster_uuid\"<\/span> : <span class=\"s2\">\"bD_B1QMnRDqXgbNCG-wKxw\"<\/span>,\n  <span class=\"s2\">\"version\"<\/span> : <span class=\"o\">{<\/span>\n    <span class=\"s2\">\"number\"<\/span> : <span class=\"s2\">\"7.4.2\"<\/span>,\n    <span class=\"s2\">\"build_flavor\"<\/span> : <span class=\"s2\">\"default\"<\/span>,\n    <span class=\"s2\">\"build_type\"<\/span> : <span class=\"s2\">\"tar\"<\/span>,\n    <span class=\"s2\">\"build_hash\"<\/span> : <span class=\"s2\">\"2f90bbf7b93631e52bafb59b3b049cb44ec25e96\"<\/span>,\n    <span class=\"s2\">\"build_date\"<\/span> : <span class=\"s2\">\"2019-10-28T20:40:44.881551Z\"<\/span>,\n    <span class=\"s2\">\"build_snapshot\"<\/span> : <span class=\"nb\">false<\/span>,\n    <span class=\"s2\">\"lucene_version\"<\/span> : <span class=\"s2\">\"8.2.0\"<\/span>,\n    <span class=\"s2\">\"minimum_wire_compatibility_version\"<\/span> : <span class=\"s2\">\"6.8.0\"<\/span>,\n    <span class=\"s2\">\"minimum_index_compatibility_version\"<\/span> : <span class=\"s2\">\"6.0.0-beta1\"<\/span>\n  <span class=\"o\">}<\/span>,\n  <span class=\"s2\">\"tagline\"<\/span> : <span class=\"s2\">\"You Know, for Search\"<\/span>\n<span class=\"o\">}<\/span>\n<\/code><\/pre><\/div><\/div>\n\n<p>\u5373\u8868\u793a\u542f\u52a8\u6210\u529f\u3002<\/p>\n\n<h1 id=\"\u5916\u7f51\u8bbf\u95ee\">\u5916\u7f51\u8bbf\u95ee<\/h1>\n\n<p>\u5982\u679c\u8981\u4f7f\u7528\u5916\u7f51\u8bbf\u95ee\uff0c\u9700\u8981\u914d\u7f6e\u4ee5\u4e0b\u5185\u5bb9<\/p>\n\n<h2 id=\"\u4fee\u6539\u914d\u7f6e\">\u4fee\u6539\u914d\u7f6e<\/h2>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>vim config\/elasticsearch.yml\n<\/code><\/pre><\/div><\/div>\n\n<p>\u4fee\u6539\u4ee5\u4e0b\u914d\u7f6e<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>network.host: 0.0.0.0\nhttp.port: 9200\nnetwork.publish_host: \u8981\u53d1\u5e03\u7684IP\u5730\u5740\n<\/code><\/pre><\/div><\/div>\n\n<h2 id=\"\u963f\u91cc\u4e91\u5f00\u653e\u7aef\u53e3\">\u963f\u91cc\u4e91\u5f00\u653e\u7aef\u53e3<\/h2>\n\n<p>\u5b89\u5168\u7ec4\u914d\u7f6e9200\u7aef\u53e3\u5373\u53ef<\/p>\n\n<h2 id=\"\u9632\u706b\u5899\u95ee\u9898\">\u9632\u706b\u5899\u95ee\u9898<\/h2>\n\n<p>\u5982\u679c\u8fd8\u4e0d\u80fd\u8bbf\u95ee\u5219\u9700\u8981\u914d\u7f6e\u9632\u706b\u5899\u7aef\u53e3<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>firewall-cmd <span class=\"nt\">--zone<\/span><span class=\"o\">=<\/span>public <span class=\"nt\">--add-port<\/span><span class=\"o\">=<\/span>9200\/tcp\n\n\u9632\u706b\u5899\u76f8\u5173\u547d\u4ee4\n\n\u67e5\u770b\u9632\u706b\u5899\u5df2\u7ecf\u5f00\u653e\u7684\u7aef\u53e3\nfirewall-cmd <span class=\"nt\">--list-ports<\/span> \n\n\u542f\u52a8 \nsystemctl start firewalld  \n\n\u67e5\u770b\u72b6\u6001\nsystemctl status firewalld   \n\n\u505c\u6b62\nsystemctl disable firewalld \n\n\u7981\u7528\nsystemctl stop firewalld\n\n<\/code><\/pre><\/div><\/div>\n\n<h2 id=\"\u91cd\u65b0\u542f\u52a8\">\u91cd\u65b0\u542f\u52a8<\/h2>\n\n<h3 id=\"\u62a5\u9519\">\u62a5\u9519<\/h3>\n\n<p>\u505a\u4e86\u4ee5\u4e0a\u4fee\u6539\u4e4b\u540e\uff0c\u91cd\u65b0\u542f\u52a8ES\uff0c\u53d1\u73b0\u542f\u52a8\u62a5\u9519\u4e86\uff0c\u4fe1\u606f\u5982\u4f55\uff1a<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>ERROR: <span class=\"o\">[<\/span>2] bootstrap checks failed\n<span class=\"o\">[<\/span>1]: max virtual memory areas vm.max_map_count <span class=\"o\">[<\/span>65530] is too low, increase to at least <span class=\"o\">[<\/span>262144]\n\n<span class=\"o\">[<\/span>2]: the default discovery settings are unsuitable <span class=\"k\">for <\/span>production use<span class=\"p\">;<\/span> at least one of <span class=\"o\">[<\/span>discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured\n<\/code><\/pre><\/div><\/div>\n\n<h3 id=\"\u89e3\u51b3\u65b9\u6848\">\u89e3\u51b3\u65b9\u6848<\/h3>\n\n<ol>\n  <li>\n    <p>\u5207\u6362root\u7528\u6237\uff0c\u4fee\u6539<code class=\"language-plaintext highlighter-rouge\"> \/etc\/sysctl.conf<\/code>\u914d\u7f6e<\/p>\n\n    <div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>vim \/etc\/sysctl.conf \n   \n<span class=\"c\"># \u6dfb\u52a0\u914d\u7f6e<\/span>\nvm.max_map_count <span class=\"o\">=<\/span> 655360\n   \n<span class=\"c\"># \u6267\u884c\u4ee5\u4e0b\u547d\u4ee4<\/span>\nsysctl <span class=\"nt\">-p<\/span>\n<\/code><\/pre><\/div>    <\/div>\n  <\/li>\n  <li>\n    <p>\u5207\u6362root\u7528\u6237<\/p>\n\n    <div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>vim \/etc\/security\/limits.conf\n<span class=\"c\"># \u6dfb\u52a0<\/span>\n<span class=\"k\">*<\/span> soft nofile 65535\n<span class=\"k\">*<\/span> hard nofile 65535\n   \nvim \/etc\/security\/limits.d\/20-nproc.conf\n<span class=\"c\">#\u4fee\u6539<\/span>\n<span class=\"k\">*<\/span>          soft    <span class=\"nb\">nproc     <\/span>4096\n   \nvim config\/elasticsearch.yml\n   \n<span class=\"c\"># \u53d6\u6d88\u6ce8\u91ca \u4fdd\u7559\u4e00\u4e2a\u8282\u70b9<\/span>\ncluster.initial_master_nodes: <span class=\"o\">[<\/span><span class=\"s2\">\"node-1\"<\/span><span class=\"o\">]<\/span>\n   \n<\/code><\/pre><\/div>    <\/div>\n  <\/li>\n  <li>\n    <p>\u91cd\u542fes,\u6210\u529f\uff0c\u5373\u5927\u529f\u544a\u6210\u3002\u73b0\u5728\u5373\u53ef\u4ee5\u901a\u8fc7\u5916\u7f51\u6210\u529f\u8bbf\u95ee\u3002<\/p>\n\n    <p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/es_success.png\" alt=\"\" \/><\/p>\n  <\/li>\n<\/ol>\n\n<h1 id=\"\u63d2\u4ef6\u5b89\u88c5\">\u63d2\u4ef6\u5b89\u88c5<\/h1>\n\n<h2 id=\"\u67e5\u770b\u63d2\u4ef6\">\u67e5\u770b\u63d2\u4ef6<\/h2>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>bin\/elasticsearch-plugin list\n<\/code><\/pre><\/div><\/div>\n\n<h2 id=\"\u5b89\u88c5\u63d2\u4ef6\">\u5b89\u88c5\u63d2\u4ef6<\/h2>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>bin\/elasticsearch-plugin <span class=\"nb\">install <\/span>\u63d2\u4ef6\u540d\n<\/code><\/pre><\/div><\/div>\n\n<p>\u5982\u5b89\u88c5 <code class=\"language-plaintext highlighter-rouge\">analysis-icu<\/code><\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"o\">[<\/span>root@iZuf6b8f6yfdzu95aqolkcZ elasticsearch-7.4.2]# bin\/elasticsearch-plugin <span class=\"nb\">install <\/span>analysis-icu\n-&gt; Downloading analysis-icu from elastic\n<span class=\"o\">[=================================================]<\/span> 100%\u00a0\u00a0 \n-&gt; Installed analysis-icu\n<span class=\"o\">[<\/span>root@iZuf6b8f6yfdzu95aqolkcZ elasticsearch-7.4.2]# bin\/elasticsearch-plugin list\nanalysis-icu\n<\/code><\/pre><\/div><\/div>\n\n<h2 id=\"\u9875\u9762\u67e5\u770b\u5b89\u88c5\u7684\u63d2\u4ef6\">\u9875\u9762\u67e5\u770b\u5b89\u88c5\u7684\u63d2\u4ef6<\/h2>\n\n<p><code class=\"language-plaintext highlighter-rouge\">http:\/\/\u5916\u7f51IP:9200\/_cat\/plugins<\/code><\/p>\n\n","pubDate":"Sat, 09 Nov 2019 00:00:00 +0000","link":"https:\/\/tsmliyun.github.io\/elasticsearch\/Elasticsearch%E7%9A%84%E5%AE%89%E8%A3%85%E5%92%8C%E7%AE%80%E5%8D%95%E9%85%8D%E7%BD%AE\/","guid":"https:\/\/tsmliyun.github.io\/elasticsearch\/Elasticsearch%E7%9A%84%E5%AE%89%E8%A3%85%E5%92%8C%E7%AE%80%E5%8D%95%E9%85%8D%E7%BD%AE\/","category":["Elasticsearch","\u641c\u7d22\u5f15\u64ce","Java","\u6570\u636e\u5e93","Linux","Elasticsearch"]},{"title":"\u4e00\u6b21\u5b9a\u65f6\u4efb\u52a1\u914d\u7f6e\u9519\u8bef\u5f15\u53d1\u7684\u601d\u8003","description":"<h2 id=\"\u80cc\u666f\">\u80cc\u666f<\/h2>\n\n<p>\u67d0\u4e1a\u52a1\u4eba\u5458\u53cd\u5e94\u7cfb\u7edf\u767b\u9646\u4e0d\u4e0a\u53bb\uff0c\u4e8e\u662f\u7a0b\u5e8f\u5458\u81ea\u5df1\u8bd5\u7740\u767b\u9646\u7cfb\u7edf\u6210\u529f\u4e86\uff0c\u5fc3\u91cc\u5f88\u81ea\u4fe1\u7684\u8ba4\u4e3a\u201c\u6211\u7684\u4ee3\u7801\u6ca1\u6709\u95ee\u9898\u201d\uff0c\u4fbf\u8ba9\u4e1a\u52a1\u4eba\u5458\u518d\u8bd5\u8bd5\u3002\u7136\u540e\u4e1a\u52a1\u4eba\u5458\u662f\u767b\u9646\u6210\u529f\u4e86\uff0c\u4f46\u662f\u6574\u4e2a\u7cfb\u7edf\u7528\u8d77\u6765\u5f88\u5361\uff0c\u8fd9\u4e0b\u7a0b\u5e8f\u5458\u610f\u8bc6\u5230\u662f\u7cfb\u7edf\u7684\u95ee\u9898\u4e86\u3002<\/p>\n\n<h2 id=\"\u6392\u67e5\u6b65\u9aa4\">\u6392\u67e5\u6b65\u9aa4<\/h2>\n\n<p>\u56e0\u4e3a\u521a\u521a\u4e0a\u7ebf\u4e86\u65b0\u7684\u529f\u80fd\uff0c\u60f3\u5230\u4e86\u914d\u7f6e\u4e86\u5b9a\u65f6\u4efb\u52a1\uff0c\u53ef\u80fd\u662f\u5b9a\u65f6\u4efb\u52a1\u914d\u7f6e\u9519\u8bef\uff0c\u5bfc\u81f4PHP\u542f\u4e86\u8fc7\u591a\u8fdb\u7a0b\u3002<\/p>\n\n<p>\u4f7f\u7528\u547d\u4ee4<code class=\"language-plaintext highlighter-rouge\">ps -ef | grep php<\/code> \u67e5\u770b\uff0c\u679c\u7136\u662f\u8d77\u4e86\u5f88\u591a\u6ca1\u5fc5\u8981\u7684\u66f4\u65b0\u6570\u636e\u811a\u672c\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u4e0e\u7b2c\u4e09\u65b9\u63a5\u53e3\u7684\u4ea4\u4e92\u5e76\u4e14\u6709\u5927\u91cf\u7684\u66f4\u65b0\u6570\u636e\u5e93\u7684\u64cd\u4f5c\uff0c\u6240\u4ee5\u76f4\u63a5\u5bfc\u81f4\u7cfb\u7edf\u5361\u987f\u3002<\/p>\n\n<p>\u4f7f\u7528\u547d\u4ee4<code class=\"language-plaintext highlighter-rouge\">crontab -l<\/code>\u67e5\u770bcrontab\u914d\u7f6e\uff0c\u6709\u51e0\u4e2a\u811a\u672c\u7684\u6267\u884c\u9891\u7387\u662f\u60f3\u914d\u7f6e\u6210\u6bcf\u5c0f\u65f6\u6267\u884c\u4e00\u6b21\uff0c\u7ed3\u679c\u914d\u7f6e\u9519\u8bef\uff0c\u5bfc\u81f4\u6bcf\u5206\u949f\u6267\u884c\u4e00\u6b21\u3002\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"c\"># \u9519\u8bef\u914d\u7f6e<\/span>\n<span class=\"k\">*<\/span> <span class=\"k\">*<\/span>\/1 <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> \/usr\/local\/bin\/php \/data\/site\/demo\/yii demo\/sync-product\n\n<span class=\"c\"># \u6b63\u786e\u914d\u7f6e<\/span>\n0 <span class=\"k\">*<\/span>\/1 <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> \/usr\/local\/bin\/php \/data\/site\/demo\/yii demo\/sync-product\n<\/code><\/pre><\/div><\/div>\n\n<p>\u95ee\u9898\u662f\u6392\u67e5\u5230\u4e86\uff0c\u73b0\u5728\u9700\u8981\u505a\u7684\u5c31\u662f\u5feb\u901fkill\u6389\u90a3\u4e9b\u6ca1\u5fc5\u8981\u7684\u8fdb\u7a0b\u3002\u8fd9\u65f6\u5019\u4fbf\u60f3\u5230\u4e86\u4e07\u80fd\u7684awk\u547d\u4ee4\uff0c\u5982\u4e0b\uff1a<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>ps <span class=\"nt\">-ef<\/span> | <span class=\"nb\">grep <\/span>php | <span class=\"nb\">awk<\/span> <span class=\"s1\">'{print $2}'<\/span> | xargs <span class=\"nb\">kill<\/span> <span class=\"nt\">-9<\/span>\n<\/code><\/pre><\/div><\/div>\n\n<p>\u6267\u884c\u540e\uff0c\u7cfb\u7edf\u5f00\u59cb\u6062\u590d\u7a33\u5b9a\u3002<\/p>\n\n<h2 id=\"\u601d\u8003\">\u601d\u8003<\/h2>\n\n<p>\u6574\u4e2a\u95ee\u9898\u6392\u67e5\u603b\u7ed3\u4e0b\u6765\uff0c\u5f52\u6839\u7ed3\u5e95\u8fd8\u662f\u914d\u7f6ecrontab\u662f\u4e0d\u591f\u7ec6\u5fc3\u3002<\/p>\n\n<p>\u540c\u65f6\u4e5f\u5f15\u53d1\u4e86\u5176\u4ed6\u7684\u4e00\u4e9b\u601d\u8003,\u603b\u7ed3\u540e\u6574\u7406\u5982\u4e0b\uff1a<\/p>\n\n<h3 id=\"\u7cfb\u7edf\u7a81\u7136\u51fa\u73b0\u5361\u987f\u5e38\u7528\u7684\u6392\u67e5\u601d\u8def\u6709\u54ea\u4e9b\u5462\">\u7cfb\u7edf\u7a81\u7136\u51fa\u73b0\u5361\u987f\uff0c\u5e38\u7528\u7684\u6392\u67e5\u601d\u8def\u6709\u54ea\u4e9b\u5462\uff1f<\/h3>\n\n<ol>\n  <li>\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u72b6\u51b5\uff1a<code class=\"language-plaintext highlighter-rouge\">free -g<\/code><\/li>\n  <li>\u67e5\u770b\u78c1\u76d8\u4f7f\u7528\u72b6\u51b5\uff1a<code class=\"language-plaintext highlighter-rouge\">df -h<\/code><\/li>\n  <li>\u67e5\u770b\u78c1\u76d8I\/O\u4f7f\u7528\uff1a<code class=\"language-plaintext highlighter-rouge\">iostat -dx<\/code><\/li>\n  <li>\u67e5\u770bCPU\u4f7f\u7528\uff1a<code class=\"language-plaintext highlighter-rouge\">top<\/code><\/li>\n<\/ol>\n\n<p>\u5177\u4f53\u7684\u7cfb\u7edf\u8c03\u4f18\uff0c\u672c\u6587\u4e0d\u505a\u4ecb\u7ecd\u4e86\u3002<\/p>\n\n<h3 id=\"awk\u547d\u4ee4\u7684\u57fa\u672c\u4f7f\u7528\">awk\u547d\u4ee4\u7684\u57fa\u672c\u4f7f\u7528<\/h3>\n\n<p>\u5e38\u7528\u547d\u4ee4<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"nb\">awk<\/span> <span class=\"s1\">'\u6761\u4ef6\u7c7b\u578b 1{\u52a8\u4f5c1} \u6761\u4ef6\u7c7b\u578b2{\u52a8\u4f5c2} ...'<\/span> filename\n<\/code><\/pre><\/div><\/div>\n\n<p>awk\u540e\u9762\u63a5\u4e24\u4e2a\u5f15\u53f7\u5e76\u52a0\u4e0a\u5927\u62ec\u53f7\u6765\u8bbe\u7f6e\u60f3\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u7684\u5904\u7406\u52a8\u4f5c\u3002<\/p>\n\n<p>\u4f8b\u5982\uff1a\u6211\u4eec\u8981\u53d6\u51fa\u8d26\u53f7\u4e0e\u767b\u5f55\u8005\u7684IP,\u4e14\u4e4b\u95f4\u4ee5[TAB]\u9694\u5f00\uff0c\u5219\uff1a<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"o\">[<\/span>release@api_02 ~]<span class=\"nv\">$ <\/span>last <span class=\"nt\">-n<\/span> 5 | <span class=\"nb\">awk<\/span> <span class=\"s1\">'{print $1 \"\\t\" $3}'<\/span>\nrelease\t117.111.111.11\nrelease\t117.111.111.11\nrelease\t117.111.111.11\nrelease\t117.111.111.11\nrelease\t117.111.111.11\n<\/code><\/pre><\/div><\/div>\n\n<p>awk\u8fd8\u5b58\u5728\u4e00\u4e9b\u5185\u7f6e\u53d8\u91cf<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u53d8\u91cf\u540d\u79f0<\/th>\n      <th>\u4ee3\u8868\u610f\u4e49<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>NF<\/td>\n      <td>\u6bcf\u4e00\u884c\u62e5\u6709\u7684\u5b57\u6bb5\u603b\u6570<\/td>\n    <\/tr>\n    <tr>\n      <td>NR<\/td>\n      <td>\u76ee\u524dawk\u5904\u7406\u7684\u662f\u7b2c\u51e0\u884c<\/td>\n    <\/tr>\n    <tr>\n      <td>FS<\/td>\n      <td>\u76ee\u524d\u7684\u5206\u9694\u7b26\uff0c\u9ed8\u8ba4\u4e3a\u7a7a\u683c\u952e<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<p>\u7ee7\u7eed\u4e0a\u9762\u7684\u4f8b\u5b50\uff0c\u9700\u6c42\u4e3a\uff1a<\/p>\n\n<ul>\n  <li>\u5217\u51fa\u6bcf\u4e00\u884c\u7684\u8d26\u53f7<\/li>\n  <li>\u5217\u51fa\u76ee\u524d\u5904\u7406\u7684\u884c\u6570<\/li>\n  <li>\u8bf4\u660e\u8be5\u884c\u6709\u591a\u5c11\u5b57\u6bb5<\/li>\n<\/ul>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"o\">[<\/span>release@api_02 ~]<span class=\"nv\">$ <\/span>last <span class=\"nt\">-n<\/span> 5 | <span class=\"nb\">awk<\/span> <span class=\"s1\">'{print $1 \"\\t lines:\" NR \"\\t columns:\"NF}'<\/span>\nrelease\t lines:1\t columns:10\nrelease\t lines:2\t columns:10\nrelease\t lines:3\t columns:10\nrelease\t lines:4\t columns:10\nrelease\t lines:5\t columns:10\n<\/code><\/pre><\/div><\/div>\n\n<p>awk\u547d\u4ee4\u8fd8\u6709\u66f4\u591a\u9ad8\u7ea7\u7684\u529f\u80fd\uff0c\u6b64\u5904\u5c31\u4e0d\u505a\u4ecb\u7ecd\u4e86\u3002<\/p>\n\n<h3 id=\"crontab\u914d\u7f6e\u7684\u57fa\u672c\u4f7f\u7528\">crontab\u914d\u7f6e\u7684\u57fa\u672c\u4f7f\u7528<\/h3>\n\n<p>crontab\u914d\u7f6e\u7684\u89c4\u5219\u662f\uff1a<\/p>\n\n<pre><code class=\"language-she\">minute   hour   day   month   week   command\n<\/code><\/pre>\n\n<p>\u5176\u4e2d\u6bcf\u4e2a\u5b57\u6bb5\u7684\u542b\u4e49\u5982\u4e0b\uff1a<\/p>\n\n<p>minute\uff1a \u5206\u949f\uff0c\u53d6\u503c\u8303\u56f4\uff1a0-59\u4e4b\u95f4\u7684\u6574\u6570<\/p>\n\n<p>hour\uff1a\u5c0f\u65f6\uff0c\u53d6\u503c\u8303\u56f4\uff1a0-23\u4e4b\u95f4\u7684\u6574\u6570<\/p>\n\n<p>day\uff1a\u65e5\u671f\uff0c\u53d6\u503c\u8303\u56f4\uff1a1-31\u4e4b\u95f4\u7684\u6574\u6570<\/p>\n\n<p>month\uff1a\u6708\u4efd\uff0c\u53d6\u503c\u8303\u56f4\uff1a1-12\u4e4b\u95f4\u7684\u6574\u6570<\/p>\n\n<p>week\uff1a\u661f\u671f\u51e0\uff0c\u53d6\u503c\u8303\u56f4\uff1a0-7\u4e4b\u95f4\u7684\u6574\u6570\uff0c<strong>\u8fd9\u91cc\u76840\u62167\u4ee3\u8868\u661f\u671f\u65e5<\/strong><\/p>\n\n<p>command\uff1a\u8981\u6267\u884c\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u662f\u7cfb\u7edf\u547d\u4ee4\uff0c\u4e5f\u53ef\u4ee5\u662f\u81ea\u5df1\u7f16\u5199\u7684\u811a\u672c\u6587\u4ef6\u3002<\/p>\n\n<p>\u7279\u6b8a\u5b57\u7b26\uff1a<\/p>\n\n<p>\u661f\u53f7\uff08*\uff09\uff1a\u8868\u793a\u6240\u6709\u503c<\/p>\n\n<p>\u9017\u53f7\uff08,\uff09\uff1a\u53ef\u4ee5\u7528\u9017\u53f7\u9694\u5f00\u7684\u503c\u6307\u5b9a\u4e00\u4e2a\u5217\u8868\u8303\u56f4\uff0c\u4f8b\u5982\uff0c\u201c1,2,6,7\u201d<\/p>\n\n<p>\u4e2d\u6760\uff08-\uff09\uff1a\u53ef\u4ee5\u7528\u6574\u6570\u4e4b\u95f4\u7684\u4e2d\u6760\u8868\u793a\u4e00\u4e2a\u6574\u6570\u8303\u56f4\uff0c\u4f8b\u5982\u201c1-3\u201d\u8868\u793a\u201c1,2,3\u201d<\/p>\n\n<p>\u6b63\u659c\u7ebf\uff08\/\uff09\uff1a\u53ef\u4ee5\u7528\u6b63\u659c\u7ebf\u6307\u5b9a\u65f6\u95f4\u7684\u95f4\u9694\u9891\u7387\uff0c\u4f8b\u5982\u201c0-23\/2\u201d\u8868\u793a\u6bcf\u4e24\u5c0f\u65f6\u6267\u884c\u4e00\u6b21\u3002\u540c\u65f6\u6b63\u659c\u7ebf\u53ef\u4ee5\u548c\u661f\u53f7\u4e00\u8d77\u4f7f\u7528\uff0c\u4f8b\u5982*\/10\uff0c\u5982\u679c\u7528\u5728minute\u5b57\u6bb5\uff0c\u8868\u793a\u6bcf\u5341\u5206\u949f\u6267\u884c\u4e00\u6b21\u3002<\/p>\n\n<p>\u5e38\u7528\u7684\u4e00\u4e9b\u4f8b\u5b50<\/p>\n\n<div class=\"language-shell highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code>\u5b9e\u4f8b1\uff1a\u6bcf1\u5206\u949f\u6267\u884c\u4e00\u6b21command\n\u547d\u4ee4\uff1a\n<span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"nb\">command\n \n<\/span>\u5b9e\u4f8b2\uff1a\u6bcf\u5c0f\u65f6\u7684\u7b2c3\u548c\u7b2c15\u5206\u949f\u6267\u884c\n\u547d\u4ee4\uff1a\n3,15 <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"nb\">command\n \n<\/span>\u5b9e\u4f8b3\uff1a\u5728\u4e0a\u53488\u70b9\u523011\u70b9\u7684\u7b2c3\u548c\u7b2c15\u5206\u949f\u6267\u884c\n\u547d\u4ee4\uff1a\n3,15 8-11 <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"nb\">command\n \n<\/span>\u5b9e\u4f8b4\uff1a\u6bcf\u9694\u4e24\u5929\u7684\u4e0a\u53488\u70b9\u523011\u70b9\u7684\u7b2c3\u548c\u7b2c15\u5206\u949f\u6267\u884c\n\u547d\u4ee4\uff1a\n3,15 8-11 <span class=\"k\">*<\/span>\/2 <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"nb\">command\n \n<\/span>\u5b9e\u4f8b5\uff1a\u6bcf\u4e2a\u661f\u671f\u4e00\u7684\u4e0a\u53488\u70b9\u523011\u70b9\u7684\u7b2c3\u548c\u7b2c15\u5206\u949f\u6267\u884c\n\u547d\u4ee4\uff1a\n3,15 8-11 <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> 1 <span class=\"nb\">command\n \n<\/span>\u5b9e\u4f8b6\uff1a\u6bcf\u665a\u768421:30\u91cd\u542fsmb \n\u547d\u4ee4\uff1a\n30 21 <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> \/etc\/init.d\/smb restart\n \n\u5b9e\u4f8b7\uff1a\u6bcf\u67081\u300110\u300122\u65e5\u76844 : 45\u91cd\u542fsmb \n\u547d\u4ee4\uff1a\n45 4 1,10,22 <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> \/etc\/init.d\/smb restart\n \n\u5b9e\u4f8b8\uff1a\u6bcf\u5468\u516d\u3001\u5468\u65e5\u76841 : 10\u91cd\u542fsmb\n\u547d\u4ee4\uff1a\n10 1 <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> 6,0 \/etc\/init.d\/smb restart\n \n\u5b9e\u4f8b9\uff1a\u6bcf\u592918 : 00\u81f323 : 00\u4e4b\u95f4\u6bcf\u969430\u5206\u949f\u91cd\u542fsmb \n\u547d\u4ee4\uff1a\n0,30 18-23 <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> <span class=\"k\">*<\/span> \/etc\/init.d\/smb restart\n<\/code><\/pre><\/div><\/div>\n\n<h2 id=\"\u53c2\u8003\u8d44\u6599\">\u53c2\u8003\u8d44\u6599<\/h2>\n\n<p><a href=\"https:\/\/blog.csdn.net\/single6\/article\/details\/81176213\">linux\u5361\u987f\u600e\u4e48\u6392\u67e5<\/a><\/p>\n\n<p>\u300aLinux\u9e1f\u54e5\u7684\u79c1\u623f\u83dc\u57fa\u7840\u5b66\u4e60\u7b2c\u4e09\u7248\u201312.4.2\u7ae0\u8282\u300b<\/p>\n\n","pubDate":"Wed, 16 Oct 2019 00:00:00 +0000","link":"https:\/\/tsmliyun.github.io\/linux\/%E4%B8%80%E6%AC%A1%E5%AE%9A%E6%97%B6%E4%BB%BB%E5%8A%A1%E9%85%8D%E7%BD%AE%E9%94%99%E8%AF%AF%E5%BC%95%E5%8F%91%E7%9A%84%E6%80%9D%E8%80%83\/","guid":"https:\/\/tsmliyun.github.io\/linux\/%E4%B8%80%E6%AC%A1%E5%AE%9A%E6%97%B6%E4%BB%BB%E5%8A%A1%E9%85%8D%E7%BD%AE%E9%94%99%E8%AF%AF%E5%BC%95%E5%8F%91%E7%9A%84%E6%80%9D%E8%80%83\/","category":["Linux","Crontab","awk","Linux"]},{"title":"\u5173\u4e8ePHP\u5185\u5b58\u6ea2\u51fa\u7684\u601d\u8003","description":"<h2 id=\"\u80cc\u666f\">\u80cc\u666f<\/h2>\n\n<p>\u6700\u8fd1\u505a\u5927\u6279\u91cf\u6570\u636e\u5bfc\u51fa\u548c\u6570\u636e\u5bfc\u5165\u7684\u65f6\u5019\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230PHP\u5185\u5b58\u6ea2\u51fa\u7684\u95ee\u9898\uff0c\u5728\u89e3\u51b3\u4e86\u95ee\u9898\u4e4b\u540e\uff0c\u603b\u7ed3\u4e86\u4e00\u4e9b\u7ecf\u9a8c\uff0c\u6574\u7406\u6210\u6587\u7ae0\u8bb0\u5f55\u4e0b\u3002<\/p>\n\n<h2 id=\"\u4f18\u5316\u70b9\">\u4f18\u5316\u70b9<\/h2>\n<ol>\n  <li>\u4f18\u5316SQL\u8bed\u53e5\uff0c\u907f\u514d\u6162\u67e5\u8be2\uff0c\u5408\u7406\u7684\u5efa\u7acb\u7d22\u5f15\uff0c\u67e5\u8be2\u6307\u5b9a\u7684\u5b57\u6bb5\uff0csql\u4f18\u5316\u8fd9\u5757\u5728\u6b64\u5c31\u4e0d\u5c55\u5f00\u4e86\u3002<\/li>\n  <li>\u67e5\u8be2\u7684\u7ed3\u679c\u96c6\u4e3a\u5927\u5bf9\u8c61\u65f6\u8f6c\u6570\u7ec4\u5904\u7406\uff0c\u6846\u67b6\u4e2d\u4e00\u822c\u6709\u65b9\u6cd5\u53ef\u4ee5\u8f6c\uff0c\u5982Laravel\u4e2d\u6709toArray(),Yii2\u4e2d\u6709asArray()\u3002<\/li>\n  <li>\u5bf9\u4e8e\u5927\u6570\u7ec4\u8fdb\u884c\u6570\u636e\u5207\u5272\u5904\u7406\uff0cPHP\u51fd\u6570\u6709array_chunk()\u3001array_slice()\u3002<\/li>\n  <li>\u5bf9\u4e8e\u5927\u578b\u7684\u5b57\u7b26\u4e32\u548c\u5bf9\u8c61\uff0c\u4f7f\u7528\u5f15\u7528\u4f20\u9012&amp;\u3002<\/li>\n  <li>\u7528\u8fc7\u7684\u53d8\u91cf\u53ca\u65f6unset\u3002<\/li>\n  <li>\u5bfc\u51fa\u7684\u6587\u4ef6\u683c\u5f0f\u7531excel\u6539\u4e3acsv<\/li>\n  <li>ini_set(\u2018memory_limit\u2019,\u2019\u2019)\uff0c\u8bbe\u7f6e\u7a0b\u5e8f\u53ef\u4ee5\u4f7f\u7528\u7684\u5185\u5b58(\u4e0d\u5efa\u8bae\u8fd9\u6837\u505a)\u3002<\/li>\n<\/ol>\n\n<h2 id=\"\u601d\u8003\">\u601d\u8003<\/h2>\n<h4 id=\"\u5185\u5b58\u7ba1\u7406\">\u5185\u5b58\u7ba1\u7406<\/h4>\n\n<p>PHP\u7684\u5185\u5b58\u4ec0\u4e48\u600e\u4e48\u7ba1\u7406\u7684\u5462\uff1f\n\u5728\u5b66C\u8bed\u8a00\u65f6\uff0c\u5f00\u53d1\u8005\u662f\u9700\u8981\u624b\u52a8\u7ba1\u7406\u5185\u5b58\u3002\u5728PHP\u4e2d\uff0cZend\u5f15\u64ce\u63d0\u4f9b\u4e3a\u4e86\u5904\u7406\u8bf7\u6c42\u76f8\u5173\u6570\u636e\u63d0\u4f9b\u4e86\u4e00\u79cd\u7279\u6b8a\u7684\u5185\u5b58\u7ba1\u7406\u5668\u3002\u8bf7\u6c42\u76f8\u5173\u6570\u636e\u662f\u53ea\u9700\u8981\u670d\u52a1\u5355\u4e2a\u8bf7\u6c42\uff0c\u6700\u8fdf\u4f1a\u5728\u8bf7\u6c42\u7ed3\u675f\u65f6\u91ca\u653e\u6570\u636e\u3002<\/p>\n\n<p><img src=\"https:\/\/tsmliyun.github.io\/static\/img\/php-memory.png\" alt=\"\" \/><\/p>\n\n<p>\u4e0a\u56fe\u662f\u6765\u81ea\u4e8e\u5b98\u7f51\u7684\u63cf\u8ff0\u622a\u56fe<\/p>\n\n<p>\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f\u5e76\u5c3d\u53ef\u80fd\u5feb\u5730\u91ca\u653e\u6240\u6709\u5185\u5b58\u662f\u5185\u5b58\u7ba1\u7406\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u56e0\u4e3a\u5b89\u5168\u539f\u56e0\uff0cZend\u5f15\u64ce\u4f1a\u91ca\u653e\u6240\u6709\u4e0a\u9762\u63d0\u5230\u7684API\u9501\u5206\u914d\u7684\u5185\u5b58\u3002<\/p>\n\n<h4 id=\"\u5783\u573e\u56de\u6536\u673a\u5236\">\u5783\u573e\u56de\u6536\u673a\u5236<\/h4>\n\n<p>\u7b80\u5355\u8bf4\u4e0b:<\/p>\n\n<p>PHP5.3\u4e4b\u524d\uff0c\u91c7\u7528\u5f15\u7528\u8ba1\u6570\u7684\u65b9\u5f0f\u7ba1\u7406\u3002PHP\u4e2d\u7684\u53d8\u91cf\u5b58\u5728zval\u7684\u53d8\u91cf\u5bb9\u5668\u4e2d\uff0c\u53d8\u91cf\u88ab\u5f15\u7528\u7684\u65f6\uff0c\u5f15\u7528\u8ba1\u6570+1\uff0c\u53d8\u91cf\u5f15\u7528\u8ba1\u6570\u4e3a0\u65f6\uff0cPHP\u5c06\u5728\u5185\u5b58\u4e2d\u9500\u6bc1\u8fd9\u4e2a\u53d8\u91cf\u3002\u4f46\u662f\u5728\u5f15\u7528\u8ba1\u6570\u5faa\u73af\u5f15\u7528\u65f6\uff0c\u5f15\u7528\u8ba1\u6570\u5c31\u4e0d\u4f1a\u6d88\u51cf\u4e3a0\uff0c\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n\n<p>PHP5.3\u4e4b\u540e\u505a\u4e86\u4f18\u5316\uff0c\u5e76\u4e0d\u662f\u6bcf\u6b21\u5f15\u7528\u8ba1\u6570\u51cf\u5c11\u90fd\u8fdb\u5165\u56de\u6536\u5468\u671f\uff0c\u53ea\u6709\u6839\u7f13\u51b2\u533a\u6ee1\u989d\u540e\u624d\u5f00\u59cb\u8fdb\u884c\u5783\u573e\u56de\u6536\uff0c\u8fd9\u6837\u53ef\u4ee5\u89e3\u51b3\u5faa\u73af\u5f15\u7528\u7684\u95ee\u9898\uff0c\u4e5f\u53ef\u4ee5\u5c06\u603b\u5185\u5b58\u6cc4\u6f0f\u4fdd\u6301\u5728\u4e00\u4e2a\u9608\u503c\u4e4b\u4e0b\u3002<\/p>\n\n<h3 id=\"\u4ee3\u7801\">\u4ee3\u7801<\/h3>\n\n<p>\u7531\u4e8e\u4f7f\u7528phpexcel\u65f6\u7ecf\u5e38\u4f1a\u9047\u5230\u5185\u5b58\u6ea2\u51fa\uff0c\u4e0b\u9762\u5206\u4eab\u4e00\u6bb5\u751f\u6210csv\u6587\u4ef6\u7684\u4ee3\u7801\uff1a<\/p>\n\n<div class=\"language-php highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"cp\">&lt;?php<\/span>\n\n<span class=\"kn\">namespace<\/span> <span class=\"nn\">api\\service<\/span><span class=\"p\">;<\/span>\n\n<span class=\"kd\">class<\/span> <span class=\"nc\">ExportService<\/span>\n<span class=\"p\">{<\/span>\n\n    <span class=\"k\">public<\/span> <span class=\"k\">static<\/span> <span class=\"nv\">$outPutFile<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">''<\/span><span class=\"p\">;<\/span>\n\n    <span class=\"cd\">\/**\n     * \u5bfc\u51fa\u6587\u4ef6\n     * @param string $fileName\n     * @param $data\n     * @param array $formFields\n     * @return mixed\n     *\/<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">static<\/span> <span class=\"k\">function<\/span> <span class=\"n\">exportData<\/span><span class=\"p\">(<\/span><span class=\"nv\">$fileName<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">''<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$data<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$formFields<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[])<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"nv\">$fileArr<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\n        <span class=\"nv\">$tmpPath<\/span> <span class=\"o\">=<\/span> <span class=\"err\">\\<\/span><span class=\"nc\">Yii<\/span><span class=\"o\">::<\/span><span class=\"nv\">$app<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">params<\/span><span class=\"p\">[<\/span><span class=\"s1\">'excelSavePath'<\/span><span class=\"p\">];<\/span>\n\n        <span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nb\">array_chunk<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">,<\/span> <span class=\"mi\">10000<\/span><span class=\"p\">)<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$key<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$value<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"k\">self<\/span><span class=\"o\">::<\/span><span class=\"nv\">$outPutFile<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">''<\/span><span class=\"p\">;<\/span>\n            <span class=\"nv\">$subject<\/span>          <span class=\"o\">=<\/span> <span class=\"o\">!<\/span><span class=\"nb\">empty<\/span><span class=\"p\">(<\/span><span class=\"nv\">$fileName<\/span><span class=\"p\">)<\/span> <span class=\"o\">?<\/span> <span class=\"nv\">$fileName<\/span> <span class=\"o\">:<\/span> <span class=\"s1\">'data_'<\/span><span class=\"p\">;<\/span>\n            <span class=\"nv\">$subject<\/span>          <span class=\"mf\">.<\/span><span class=\"o\">=<\/span> <span class=\"nb\">date<\/span><span class=\"p\">(<\/span><span class=\"s1\">'YmdHis'<\/span><span class=\"p\">);<\/span>\n            <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nb\">empty<\/span><span class=\"p\">(<\/span><span class=\"nv\">$value<\/span><span class=\"p\">)<\/span> <span class=\"o\">||<\/span> <span class=\"nb\">empty<\/span><span class=\"p\">(<\/span><span class=\"nv\">$formFields<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n                <span class=\"k\">continue<\/span><span class=\"p\">;<\/span>\n            <span class=\"p\">}<\/span>\n\n            <span class=\"k\">self<\/span><span class=\"o\">::<\/span><span class=\"nv\">$outPutFile<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$tmpPath<\/span> <span class=\"mf\">.<\/span> <span class=\"nv\">$subject<\/span> <span class=\"mf\">.<\/span> <span class=\"nv\">$key<\/span> <span class=\"mf\">.<\/span> <span class=\"s1\">'.csv'<\/span><span class=\"p\">;<\/span>\n            <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nb\">file_exists<\/span><span class=\"p\">(<\/span><span class=\"k\">self<\/span><span class=\"o\">::<\/span><span class=\"nv\">$outPutFile<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n                <span class=\"nb\">touch<\/span><span class=\"p\">(<\/span><span class=\"k\">self<\/span><span class=\"o\">::<\/span><span class=\"nv\">$outPutFile<\/span><span class=\"p\">);<\/span>\n            <span class=\"p\">}<\/span>\n            <span class=\"nv\">$index<\/span>  <span class=\"o\">=<\/span> <span class=\"nb\">array_keys<\/span><span class=\"p\">(<\/span><span class=\"nv\">$formFields<\/span><span class=\"p\">);<\/span>\n            <span class=\"nv\">$header<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">array_values<\/span><span class=\"p\">(<\/span><span class=\"nv\">$formFields<\/span><span class=\"p\">);<\/span>\n            <span class=\"k\">self<\/span><span class=\"o\">::<\/span><span class=\"nf\">outPut<\/span><span class=\"p\">(<\/span><span class=\"nv\">$header<\/span><span class=\"p\">);<\/span>\n\n            <span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$value<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$k<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n                <span class=\"nv\">$tmpData<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\n                <span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$index<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$item<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n                    <span class=\"nv\">$tmpData<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"k\">isset<\/span><span class=\"p\">(<\/span><span class=\"nv\">$v<\/span><span class=\"p\">[<\/span><span class=\"nv\">$item<\/span><span class=\"p\">])<\/span> <span class=\"o\">?<\/span> <span class=\"nv\">$v<\/span><span class=\"p\">[<\/span><span class=\"nv\">$item<\/span><span class=\"p\">]<\/span> <span class=\"o\">:<\/span> <span class=\"s1\">''<\/span><span class=\"p\">;<\/span>\n                <span class=\"p\">}<\/span>\n                <span class=\"k\">self<\/span><span class=\"o\">::<\/span><span class=\"nf\">outPut<\/span><span class=\"p\">(<\/span><span class=\"nv\">$tmpData<\/span><span class=\"p\">);<\/span>\n            <span class=\"p\">}<\/span>\n            <span class=\"nv\">$fileArr<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"k\">self<\/span><span class=\"o\">::<\/span><span class=\"nv\">$outPutFile<\/span><span class=\"p\">;<\/span>\n        <span class=\"p\">}<\/span>\n        \n        <span class=\"nv\">$zipFile<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$tmpPath<\/span> <span class=\"mf\">.<\/span> <span class=\"nv\">$fileName<\/span> <span class=\"mf\">.<\/span> <span class=\"nb\">date<\/span><span class=\"p\">(<\/span><span class=\"s1\">'YmdHi'<\/span><span class=\"p\">)<\/span> <span class=\"mf\">.<\/span> <span class=\"s1\">'.zip'<\/span><span class=\"p\">;<\/span>\n        <span class=\"nv\">$zipRes<\/span> <span class=\"o\">=<\/span> <span class=\"k\">self<\/span><span class=\"o\">::<\/span><span class=\"nf\">zipFile<\/span><span class=\"p\">(<\/span><span class=\"nv\">$fileArr<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$zipFile<\/span><span class=\"p\">);<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nv\">$zipRes<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"cd\">\/**\n     * \u5411\u6587\u4ef6\u5199\u5165\u6570\u636e\n     * @param array $data\n     *\/<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">static<\/span> <span class=\"k\">function<\/span> <span class=\"n\">outPut<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[])<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nb\">is_array<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">)<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"o\">!<\/span><span class=\"nb\">empty<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">implode<\/span><span class=\"p\">(<\/span><span class=\"s1\">','<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$data<\/span><span class=\"p\">);<\/span>\n            <span class=\"nb\">file_put_contents<\/span><span class=\"p\">(<\/span><span class=\"k\">self<\/span><span class=\"o\">::<\/span><span class=\"nv\">$outPutFile<\/span><span class=\"p\">,<\/span> <span class=\"nb\">iconv<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"UTF-8\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"GB2312\/\/IGNORE\"<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$data<\/span><span class=\"p\">)<\/span> <span class=\"mf\">.<\/span> <span class=\"kc\">PHP_EOL<\/span><span class=\"p\">,<\/span> <span class=\"no\">FILE_APPEND<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"cd\">\/**\n     * \u538b\u7f29\u6587\u4ef6\n     * @param $sourceFile\n     * @param $distFile\n     * @return mixed\n     *\/<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">static<\/span> <span class=\"k\">function<\/span> <span class=\"n\">zipFile<\/span><span class=\"p\">(<\/span><span class=\"nv\">$sourceFile<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$distFile<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"nv\">$zip<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"err\">\\<\/span><span class=\"nf\">ZipArchive<\/span><span class=\"p\">();<\/span>\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$zip<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">open<\/span><span class=\"p\">(<\/span><span class=\"nv\">$distFile<\/span><span class=\"p\">,<\/span> <span class=\"err\">\\<\/span><span class=\"nc\">ZipArchive<\/span><span class=\"o\">::<\/span><span class=\"no\">CREATE<\/span><span class=\"p\">)<\/span> <span class=\"o\">!==<\/span> <span class=\"kc\">true<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"k\">return<\/span> <span class=\"nv\">$sourceFile<\/span><span class=\"p\">;<\/span>\n        <span class=\"p\">}<\/span>\n\n        <span class=\"nv\">$zip<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">open<\/span><span class=\"p\">(<\/span><span class=\"nv\">$distFile<\/span><span class=\"p\">,<\/span> <span class=\"err\">\\<\/span><span class=\"nc\">ZipArchive<\/span><span class=\"o\">::<\/span><span class=\"no\">CREATE<\/span><span class=\"p\">);<\/span>\n        <span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$sourceFile<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$file<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nv\">$fileContent<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">file_get_contents<\/span><span class=\"p\">(<\/span><span class=\"nv\">$file<\/span><span class=\"p\">);<\/span>\n            <span class=\"nv\">$file<\/span>        <span class=\"o\">=<\/span> <span class=\"nb\">iconv<\/span><span class=\"p\">(<\/span><span class=\"s1\">'utf-8'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'GBK'<\/span><span class=\"p\">,<\/span> <span class=\"nb\">basename<\/span><span class=\"p\">(<\/span><span class=\"nv\">$file<\/span><span class=\"p\">));<\/span>\n            <span class=\"nv\">$zip<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">addFromString<\/span><span class=\"p\">(<\/span><span class=\"nv\">$file<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$fileContent<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n        <span class=\"nv\">$zip<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">close<\/span><span class=\"p\">();<\/span>\n        <span class=\"k\">return<\/span> <span class=\"nv\">$distFile<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n    \n        <span class=\"cd\">\/**\n     * \u4e0b\u8f7d\u6587\u4ef6\n     * @param $filePath\n     * @param $fileName\n     *\/<\/span>\n    <span class=\"k\">public<\/span> <span class=\"k\">static<\/span> <span class=\"k\">function<\/span> <span class=\"n\">download<\/span><span class=\"p\">(<\/span><span class=\"nv\">$filePath<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$fileName<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nb\">file_exists<\/span><span class=\"p\">(<\/span><span class=\"nv\">$filePath<\/span> <span class=\"mf\">.<\/span> <span class=\"nv\">$fileName<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\n            <span class=\"nb\">header<\/span><span class=\"p\">(<\/span><span class=\"s1\">'HTTP\/1.1 404 NOT FOUND'<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\n            <span class=\"c1\">\/\/\u4ee5\u53ea\u8bfb\u548c\u4e8c\u8fdb\u5236\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6<\/span>\n            <span class=\"nv\">$file<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">fopen<\/span><span class=\"p\">(<\/span><span class=\"nv\">$filePath<\/span> <span class=\"mf\">.<\/span> <span class=\"nv\">$fileName<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"rb\"<\/span><span class=\"p\">);<\/span>\n\n            <span class=\"c1\">\/\/\u544a\u8bc9\u6d4f\u89c8\u5668\u8fd9\u662f\u4e00\u4e2a\u6587\u4ef6\u6d41\u683c\u5f0f\u7684\u6587\u4ef6<\/span>\n            <span class=\"nb\">Header<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Content-type: application\/octet-stream\"<\/span><span class=\"p\">);<\/span>\n            <span class=\"c1\">\/\/\u8bf7\u6c42\u8303\u56f4\u7684\u5ea6\u91cf\u5355\u4f4d<\/span>\n            <span class=\"nb\">Header<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Accept-Ranges: bytes\"<\/span><span class=\"p\">);<\/span>\n            <span class=\"c1\">\/\/Content-Length\u662f\u6307\u5b9a\u5305\u542b\u4e8e\u8bf7\u6c42\u6216\u54cd\u5e94\u4e2d\u6570\u636e\u7684\u5b57\u8282\u957f\u5ea6<\/span>\n            <span class=\"nb\">Header<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Accept-Length: \"<\/span> <span class=\"mf\">.<\/span> <span class=\"nb\">filesize<\/span><span class=\"p\">(<\/span><span class=\"nv\">$filePath<\/span> <span class=\"mf\">.<\/span> <span class=\"nv\">$fileName<\/span><span class=\"p\">));<\/span>\n            <span class=\"c1\">\/\/\u7528\u6765\u544a\u8bc9\u6d4f\u89c8\u5668\uff0c\u6587\u4ef6\u662f\u53ef\u4ee5\u5f53\u505a\u9644\u4ef6\u88ab\u4e0b\u8f7d\uff0c\u4e0b\u8f7d\u540e\u7684\u6587\u4ef6\u540d\u79f0\u4e3a$file_name\u8be5\u53d8\u91cf\u7684\u503c<\/span>\n            <span class=\"nb\">Header<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Content-Disposition: attachment; filename=\"<\/span> <span class=\"mf\">.<\/span> <span class=\"nv\">$fileName<\/span><span class=\"p\">);<\/span>\n\n            <span class=\"c1\">\/\/\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5e76\u76f4\u63a5\u8f93\u51fa\u5230\u6d4f\u89c8\u5668<\/span>\n            <span class=\"k\">echo<\/span> <span class=\"nb\">fread<\/span><span class=\"p\">(<\/span><span class=\"nv\">$file<\/span><span class=\"p\">,<\/span> <span class=\"nb\">filesize<\/span><span class=\"p\">(<\/span><span class=\"nv\">$filePath<\/span> <span class=\"mf\">.<\/span> <span class=\"nv\">$fileName<\/span><span class=\"p\">));<\/span>\n            <span class=\"nb\">fclose<\/span><span class=\"p\">(<\/span><span class=\"nv\">$file<\/span><span class=\"p\">);<\/span>\n            <span class=\"k\">exit<\/span><span class=\"p\">();<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\t\t\t\n<\/code><\/pre><\/div><\/div>\n\n<p>\u8c03\u7528\u51fa\u4ee3\u7801<\/p>\n\n<div class=\"language-php highlighter-rouge\"><div class=\"highlight\"><pre class=\"highlight\"><code><span class=\"nv\">$fileName<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"\u5e93\u5b58\u5bfc\u5165\u6a21\u677f\"<\/span><span class=\"p\">;<\/span>\n<span class=\"nv\">$stockRes<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span> <span class=\"c1\">\/\/ \u5bfc\u51fa\u7684\u6570\u636e<\/span>\n<span class=\"nv\">$formFields<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\n    <span class=\"s1\">'store_id'<\/span>  <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'\u95e8\u5e97ID'<\/span><span class=\"p\">,<\/span>\n    <span class=\"s1\">'storeName'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'\u95e8\u5e97\u540d\u79f0'<\/span><span class=\"p\">,<\/span>\n    <span class=\"s1\">'sku'<\/span>       <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'SKU\u7f16\u7801'<\/span><span class=\"p\">,<\/span>\n    <span class=\"s1\">'name'<\/span>      <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'SKU\u540d\u79f0'<\/span><span class=\"p\">,<\/span>\n    <span class=\"s1\">'stock'<\/span>     <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'\u5e93\u5b58'<\/span><span class=\"p\">,<\/span>\n    <span class=\"s1\">'reason'<\/span>    <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'\u539f\u56e0'<\/span>\n<span class=\"p\">];<\/span>\n<span class=\"nv\">$fileRes<\/span>    <span class=\"o\">=<\/span> <span class=\"nc\">ExportService<\/span><span class=\"o\">::<\/span><span class=\"nf\">exportData<\/span><span class=\"p\">(<\/span><span class=\"nv\">$fileName<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$stockRes<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$formFields<\/span><span class=\"p\">);<\/span>\n<span class=\"nv\">$tmpPath<\/span>    <span class=\"o\">=<\/span> <span class=\"err\">\\<\/span><span class=\"nc\">Yii<\/span><span class=\"o\">::<\/span><span class=\"nv\">$app<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">params<\/span><span class=\"p\">[<\/span><span class=\"s1\">'excelSavePath'<\/span><span class=\"p\">];<\/span> <span class=\"c1\">\/\/ \u6587\u4ef6\u8def\u5f84<\/span>\n<span class=\"nv\">$fileName<\/span>   <span class=\"o\">=<\/span> <span class=\"nb\">str_replace<\/span><span class=\"p\">(<\/span><span class=\"nv\">$tmpPath<\/span><span class=\"p\">,<\/span> <span class=\"s1\">''<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$fileRes<\/span><span class=\"p\">);<\/span>\n\n<span class=\"c1\">\/\/ \u4e0b\u8f7d\u6587\u4ef6<\/span>\n<span class=\"nc\">ExportService<\/span><span class=\"o\">::<\/span><span class=\"nf\">download<\/span><span class=\"p\">(<\/span><span class=\"nv\">$tmpPath<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$fileName<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre><\/div><\/div>\n\n","pubDate":"Thu, 26 Sep 2019 00:00:00 +0000","link":"https:\/\/tsmliyun.github.io\/php\/%E5%85%B3%E4%BA%8EPHP%E5%86%85%E5%AD%98%E6%BA%A2%E5%87%BA%E7%9A%84%E6%80%9D%E8%80%83\/","guid":"https:\/\/tsmliyun.github.io\/php\/%E5%85%B3%E4%BA%8EPHP%E5%86%85%E5%AD%98%E6%BA%A2%E5%87%BA%E7%9A%84%E6%80%9D%E8%80%83\/","category":["PHP","\u5185\u5b58\u7ba1\u7406","\u5783\u573e\u56de\u6536","PHP"]}]}}