{"id":169150,"date":"2024-05-08T16:39:40","date_gmt":"2024-05-08T08:39:40","guid":{"rendered":""},"modified":"2024-05-08T16:39:44","modified_gmt":"2024-05-08T08:39:44","slug":"javascript-%e7%94%9f%e6%88%90%e5%99%a8%e6%9c%89%e5%93%aa%e4%ba%9b%e7%94%a8%e5%a4%84","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/169150.html","title":{"rendered":"JavaScript \u751f\u6210\u5668\u6709\u54ea\u4e9b\u7528\u5904"},"content":{"rendered":"

\"JavaScript<\/p>\n

JavaScript \u751f\u6210\u5668\uff08Generator functions\uff09\u662f ES6 \u5f15\u5165\u7684\u4e00\u4e2a\u5f3a\u5927\u529f\u80fd\uff0c\u5b83\u4eec\u5141\u8bb8\u51fd\u6570\u6267\u884c\u5230\u4e00\u534a\u65f6\u6682\u505c\uff0c\u7a0d\u540e\u518d\u4ece\u505c\u4e0b\u6765\u7684\u90e8\u5206\u7ee7\u7eed\u6267\u884c<\/strong>\u3002\u8fd9\u4e2a\u7279\u6027\u4e3a\u5f02\u6b65\u7f16\u7a0b\u3001\u63a7\u5236\u6d41\u7ba1\u7406\u3001\u4ee5\u53ca\u5904\u7406\u6570\u636e\u6d41\u548c\u8fed\u4ee3\u5668\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u4fbf\u5229\u3002\u751f\u6210\u5668\u7684\u4e3b\u8981\u7528\u9014\u5305\u62ec\uff1a\u7b80\u5316\u5f02\u6b65\u7f16\u7a0b\u3001\u63a7\u5236\u6d41\u7a0b\u7ba1\u7406\u3001\u60f0\u6027\u8ba1\u7b97\u4ee5\u53ca\u5bf9\u8c61\u72b6\u6001\u7ba1\u7406<\/strong>\u3002\u5728\u8fd9\u4e9b\u7528\u9014\u4e2d\uff0c\u7b80\u5316\u5f02\u6b65\u7f16\u7a0b<\/strong>\u5c24\u5176\u503c\u5f97\u5173\u6ce8\uff0c\u56e0\u5b83\u6781\u5927\u5730\u6539\u5584\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7b80\u5316\u5f02\u6b65\u7f16\u7a0b<\/h3>\n<\/p>\n

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\u4f8b\u5982\uff0c\u4f7f\u7528Promise<\/code>\u914d\u5408\u751f\u6210\u5668\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8ba9\u4ee3\u7801\u4fdd\u6301\u7ebf\u6027\u6d41\u52a8\u7684\u7ed3\u6784\uff0c\u907f\u514d\u6df1\u5c42\u5d4c\u5957\u7684\u56de\u8c03\u51fd\u6570\u3002\u914d\u5408async\/awAI<\/a>t<\/code>\uff08\u672c\u8d28\u4e0a\u662f\u751f\u6210\u5668\u7684\u8bed\u6cd5\u7cd6\uff09\u53ef\u4ee5\u8ba9\u5f02\u6b65\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u660e\u4e86\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u63a7\u5236\u6d41\u7a0b\u7ba1\u7406<\/h3>\n<\/p>\n

\u751f\u6210\u5668\u63d0\u4f9b\u4e86\u4e00\u79cd\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u63a7\u5236\u7a0b\u5e8f\u7684\u6267\u884c\u6d41\u7a0b\u3002\u901a\u8fc7yield<\/code>\u5173\u952e\u5b57\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u590d\u6742\u7684\u63a7\u5236\u6d41\u903b\u8f91\uff0c\u6bd4\u5982\u5b9e\u73b0\u72b6\u6001\u673a\u7b49\u3002\u751f\u6210\u5668\u51fd\u6570\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\uff0c\u51b3\u5b9a\u7a0b\u5e8f\u7684\u6267\u884c\u8def\u5f84\uff0c\u8fd9\u5728\u5904\u7406\u5177\u6709\u591a\u4e2a\u5206\u652f\u7684\u590d\u6742\u903b\u8f91\u65f6\u7279\u522b\u6709\u7528\u3002<\/p>\n<\/p>\n

\u5728\u5b9e\u73b0\u72b6\u6001\u673a\u65f6\uff0c\u751f\u6210\u5668\u51fd\u6570\u53ef\u4ee5\u6839\u636e\u5916\u90e8\u6761\u4ef6\u7684\u53d8\u5316\uff0c\u9010\u6b65\u6267\u884c\u4e0d\u540c\u7684\u903b\u8f91\u5206\u652f\uff0c\u76f4\u5230\u627e\u5230\u7b26\u5408\u6761\u4ef6\u7684\u5206\u652f\u4e3a\u6b62\u3002\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u5f97\u72b6\u6001\u7684\u5207\u6362\u548c\u7ba1\u7406\u53d8\u5f97\u6e05\u6670\u548c\u53ef\u63a7\uff0c\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u60f0\u6027\u8ba1\u7b97<\/h3>\n<\/p>\n

\u751f\u6210\u5668\u652f\u6301\u60f0\u6027\u8ba1\u7b97\uff0c\u4e5f\u5c31\u662f\u6309\u9700\u8ba1\u7b97\uff0c\u8fd9\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u6216\u590d\u6742\u7684\u8ba1\u7b97\u4efb\u52a1\u65f6\u975e\u5e38\u6709\u7528\u3002\u901a\u8fc7\u4f7f\u7528\u751f\u6210\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u9010\u6b65\u8bf7\u6c42\u6570\u636e\u6216\u8ba1\u7b97\u7ed3\u679c\uff0c\u800c\u4e0d\u9700\u8981\u4e00\u6b21\u6027\u8ba1\u7b97\u6240\u6709\u6570\u636e\uff0c\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5730\u964d\u4f4e\u5185\u5b58\u7684\u4f7f\u7528\uff0c\u5e76\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n

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\u56db\u3001\u5bf9\u8c61\u72b6\u6001\u7ba1\u7406<\/h3>\n<\/p>\n

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\u5728\u6e38\u620f\u5f00\u53d1\u6216\u7528\u6237\u754c\u9762\u4ea4\u4e92\u4e2d\uff0c\u5bf9\u8c61\u53ef\u80fd\u9700\u8981\u6839\u636e\u7528\u6237\u7684\u8f93\u5165\u6216\u73af\u5883\u7684\u53d8\u5316\u5728\u4e0d\u540c\u72b6\u6001\u4e4b\u95f4\u5207\u6362\u3002\u4f7f\u7528\u751f\u6210\u5668\u53ef\u4ee5\u4f7f\u5f97\u8fd9\u79cd\u72b6\u6001\u7ba1\u7406\u53d8\u5f97\u7b80\u5355\u660e\u4e86\uff0c\u6bcf\u4e2a\u72b6\u6001\u90fd\u53ef\u4ee5\u901a\u8fc7yield<\/code>\u5173\u952e\u5b57\u5206\u5272\uff0c\u72b6\u6001\u8f6c\u6362\u903b\u8f91\u53ef\u4ee5\u96c6\u4e2d\u7ba1\u7406\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n

\u901a\u8fc7\u4e0a\u8ff0\u8ba8\u8bba\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51faJavaScript\u751f\u6210\u5668\u4e0d\u4ec5\u80fd\u591f\u7b80\u5316\u5f02\u6b65\u7f16\u7a0b\u3001\u63d0\u4f9b\u66f4\u52a0\u7075\u6d3b\u7684\u63a7\u5236\u6d41\u7a0b\u7ba1\u7406\u3001\u652f\u6301\u60f0\u6027\u8ba1\u7b97\uff0c\u4e5f\u80fd\u591f\u6709\u6548\u5730\u8fdb\u884c\u5bf9\u8c61\u72b6\u6001\u7ba1\u7406\uff0c\u662f\u73b0\u4ee3JavaScript \u7f16\u7a0b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. JavaScript\u751f\u6210\u5668\u7684\u4e3b\u8981\u7528\u9014\u662f\u4ec0\u4e48\uff1f<\/strong>
\nJavaScript\u751f\u6210\u5668\u662f\u4e00\u79cd\u7528\u4e8e\u751f\u6210\u8fed\u4ee3\u5668\u7684\u7279\u6b8a\u51fd\u6570\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u521b\u5efa\u5177\u6709\u53ef\u6682\u505c\u548c\u7ee7\u7eed\u6267\u884c\u80fd\u529b\u7684\u51fd\u6570\u3002\u8fd9\u6837\u7684\u751f\u6210\u5668\u53ef\u4ee5\u6539\u5584\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u590d\u6742\u7684\u5f02\u6b65\u64cd\u4f5c\u6216\u63a8\u8fdf\u6267\u884c\u7684\u4efb\u52a1\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n

2. \u5982\u4f55\u5728JavaScript\u4e2d\u4f7f\u7528\u751f\u6210\u5668\u6765\u7b80\u5316\u5f02\u6b65\u64cd\u4f5c\uff1f<\/strong>
\n\u901a\u8fc7\u4f7f\u7528\u751f\u6210\u5668\uff0c\u53ef\u4ee5\u8f7b\u677e\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\uff0c\u5982AJAX\u8bf7\u6c42\u3001\u5b9a\u65f6\u5668\u7b49\u3002\u751f\u6210\u5668\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528 "yield" \u5173\u952e\u5b57\u6682\u505c\u51fd\u6570\u7684\u6267\u884c\uff0c\u7b49\u5f85\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210\u540e\u518d\u7ee7\u7eed\u6267\u884c\u4e0b\u4e00\u6b65\u3002\u8fd9\u79cd\u65b9\u5f0f\u6bd4\u4f20\u7edf\u7684\u56de\u8c03\u51fd\u6570\u6216Promise\u66f4\u52a0\u76f4\u89c2\u548c\u6613\u4e8e\u7406\u89e3\uff0c\u5927\u5927\u7b80\u5316\u4e86\u5f02\u6b65\u4ee3\u7801\u7684\u7f16\u5199\u548c\u7ef4\u62a4\u3002<\/p>\n

3. JavaScript\u751f\u6210\u5668\u76f8\u6bd4\u5176\u4ed6\u89e3\u51b3\u65b9\u6848\u6709\u54ea\u4e9b\u4f18\u52bf\uff1f<\/strong>
\n\u76f8\u6bd4\u5176\u4ed6\u89e3\u51b3\u65b9\u6848\uff0cJavaScript\u751f\u6210\u5668\u5177\u6709\u51e0\u4e2a\u72ec\u7279\u7684\u4f18\u52bf\u3002\u9996\u5148\uff0c\u751f\u6210\u5668\u51fd\u6570\u7684\u8bed\u6cd5\u7b80\u6d01\u660e\u4e86\uff0c\u4f7f\u7528\u8d77\u6765\u66f4\u52a0\u76f4\u89c2\u3002\u5176\u6b21\uff0c\u751f\u6210\u5668\u53ef\u4ee5\u6309\u9700\u751f\u6210\u7ed3\u679c\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u751f\u6210\u6240\u6709\u7ed3\u679c\uff0c\u8fd9\u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u6216\u65e0\u9650\u6d41\u65f6\u975e\u5e38\u6709\u7528\u3002\u6b64\u5916\uff0c\u751f\u6210\u5668\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528yield\u8bed\u53e5\u8fd4\u56de\u503c\uff0c\u4f7f\u4ee3\u7801\u5177\u6709\u66f4\u597d\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u6700\u540e\uff0c\u751f\u6210\u5668\u53ef\u4ee5\u4e0e\u5176\u4ed6JavaScript\u529f\u80fd\uff08\u5982Promise\uff09\u7ed3\u5408\u4f7f\u7528\uff0c\u63d0\u4f9b\u66f4\u5f3a\u5927\u7684\u5f02\u6b65\u7f16\u7a0b\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"JavaScript \u751f\u6210\u5668\uff08Generator functions\uff09\u662f ES6 \u5f15\u5165\u7684\u4e00\u4e2a\u5f3a\u5927\u529f\u80fd\uff0c\u5b83\u4eec\u5141\u8bb8 […]","protected":false},"author":3,"featured_media":169155,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/169150"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=169150"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/169150\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/169155"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=169150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=169150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=169150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}