{"id":57377,"date":"2023-10-18T20:13:09","date_gmt":"2023-10-18T12:13:09","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=57377"},"modified":"2023-10-18T20:13:18","modified_gmt":"2023-10-18T12:13:18","slug":"%e5%ae%9a%e4%b9%89%e5%9c%a8jni-%e9%87%8c%e9%9d%a2%e7%9a%84%e5%af%b9%e8%b1%a1%e5%a6%82%e4%bd%95%e8%a2%ab%e8%99%9a%e6%8b%9f%e6%9c%ba%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/57377.html","title":{"rendered":"\u5b9a\u4e49\u5728JNI \u91cc\u9762\u7684\u5bf9\u8c61\u5982\u4f55\u88ab\u865a\u62df\u673a\u7ba1\u7406"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>JNI\u4e2d\u7684\u5bf9\u8c61\u7ba1\u7406\u662fJava\u865a\u62df\u673a\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u8bdd\u9898\u3002\u4e3a\u4e86\u4fdd\u6301Java\u7684\u5185\u5b58\u5b89\u5168\u7279\u6027\uff0c\u9700\u8981\u6df1\u5165\u4e86\u89e3JNI\u4e2d\u7684\u5bf9\u8c61\u751f\u547d\u5468\u671f\u3001\u5c40\u90e8\u5f15\u7528\u3001\u5168\u5c40\u5f15\u7528\u7b49\u6982\u5ff5\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdJNI\u4e2d\u7684\u5bf9\u8c61\u5982\u4f55\u88abJava\u865a\u62df\u673a\u7ba1\u7406\uff0c\u4ee5\u53ca\u5f00\u53d1\u8005\u5982\u4f55\u907f\u514d\u76f8\u5173\u95ee\u9898\u3002\u5728JNI\u4e2d\u4e0eJava\u5bf9\u8c61\u6253\u4ea4\u9053\u65f6\uff0c\u5f00\u53d1\u8005\u9996\u5148\u9700\u8981\u7406\u89e3\u8fd9\u4e9b\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u3002\u8fd9\u4e9b\u5bf9\u8c61\u751f\u547d\u5468\u671f\u7531Java\u7684\u5783\u573e\u6536\u96c6\u5668\u7ba1\u7406\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1.<\/strong><strong>\u4e86\u89e3JNI\u4e2d\u7684\u5bf9\u8c61\u751f\u547d\u5468\u671f<\/strong><\/h2>\n\n\n\n<p>\u5728JNI\u4e2d\u4e0eJava\u5bf9\u8c61\u6253\u4ea4\u9053\u65f6\uff0c\u5f00\u53d1\u8005\u9996\u5148\u9700\u8981\u7406\u89e3\u8fd9\u4e9b\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u3002\u8fd9\u4e9b\u5bf9\u8c61\u751f\u547d\u5468\u671f\u7531Java\u7684\u5783\u573e\u6536\u96c6\u5668\u7ba1\u7406\u3002\u4f46\u5728JNI\u73af\u5883\u4e0b\uff0c\u5783\u573e\u6536\u96c6\u5668\u65e0\u6cd5\u76f4\u63a5\u8ddf\u8e2a\u8fd9\u4e9b\u5bf9\u8c61\uff0c\u56e0\u6b64\u5fc5\u987b\u4f9d\u8d56JNI\u7684\u5f15\u7528\u7ba1\u7406\u6765\u786e\u4fdd\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u88ab\u6b63\u786e\u5904\u7406\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2.<\/strong><strong>\u5c40\u90e8\u5f15\u7528\u4e0e\u5168\u5c40\u5f15\u7528\u7684\u533a\u522b<\/strong><\/h2>\n\n\n\n<p>\u5728JNI\u4e2d\uff0c\u4e3b\u8981\u6709\u4e24\u79cd\u5f15\u7528\uff1a\u5c40\u90e8\u5f15\u7528\u548c\u5168\u5c40\u5f15\u7528\u3002<\/p>\n\n\n\n<p>\u5c40\u90e8\u5f15\u7528\u662f\u4e3a\u77ed\u65f6\u95f4\u4f7f\u7528\u7684JNI\u5bf9\u8c61\u521b\u5efa\u7684\uff0c\u5b83\u4eec\u53ea\u5728\u8c03\u7528\u7684JNI\u51fd\u6570\u4e0a\u4e0b\u6587\u4e2d\u6709\u6548\u3002\u4e00\u65e6JNI\u51fd\u6570\u8fd4\u56de\uff0c\u8fd9\u4e9b\u5f15\u7528\u5c06\u4e0d\u518d\u6709\u6548\uff0c\u5e76\u53ef\u80fd\u88ab\u5783\u573e\u6536\u96c6\u5668\u56de\u6536\u3002<\/p>\n\n\n\n<p>\u76f8\u53cd\uff0c\u5168\u5c40\u5f15\u7528\u7528\u4e8e\u8de8\u591a\u4e2aJNI\u51fd\u6570\u8c03\u7528\u4fdd\u5b58JNI\u5bf9\u8c61\u3002\u5b83\u4eec\u4e0d\u53d7\u5783\u573e\u6536\u96c6\u5668\u7684\u76f4\u63a5\u5f71\u54cd\uff0c\u56e0\u6b64\u5f00\u53d1\u8005\u5fc5\u987b\u663e\u5f0f\u5730\u5220\u9664\u8fd9\u4e9b\u5f15\u7528\u4ee5\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3.<\/strong><strong>\u5982\u4f55\u5b89\u5168\u5730\u7ba1\u7406JNI\u5bf9\u8c61<\/strong><\/h2>\n\n\n\n<p>\u4e3a\u4e86\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u548c\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u4fdd\u5b58\uff0c\u5f00\u53d1\u8005\u9700\u8981\u8c28\u614e\u5730\u7ba1\u7406JNI\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>\u5f53\u4ec5\u5728\u4e00\u4e2aJNI\u51fd\u6570\u4e2d\u4f7f\u7528\u5bf9\u8c61\u65f6\uff0c\u4f7f\u7528\u5c40\u90e8\u5f15\u7528\u3002<\/p>\n\n\n\n<p>\u5f53\u9700\u8981\u5728\u591a\u4e2aJNI\u51fd\u6570\u4e2d\u4f7f\u7528\u5bf9\u8c61\u6216\u5728\u672c\u5730\u5b58\u50a8\u7ed3\u6784\u4e2d\u4fdd\u5b58\u5bf9\u8c61\u65f6\uff0c\u4f7f\u7528\u5168\u5c40\u5f15\u7528\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528\u5b8c\u6210\u540e\uff0c\u53ca\u65f6\u91ca\u653e\u5168\u5c40\u5f15\u7528\u4ee5\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n\n\n\n<p>\u5728JNI\u4ee3\u7801\u4e2d\u9891\u7e41\u5730\u68c0\u67e5\u548c\u5904\u7406Java\u5f02\u5e38\uff0c\u786e\u4fdd\u7a0b\u5e8f\u7684\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4.<\/strong><strong>\u907f\u514dJNI\u5bf9\u8c61\u7684\u5e38\u89c1\u95ee\u9898<\/strong><\/h2>\n\n\n\n<p>\u5728JNI\u7f16\u7a0b\u4e2d\uff0c\u5f00\u53d1\u8005\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u7684\u95ee\u9898\uff0c\u4f8b\u5982\u5185\u5b58\u6cc4\u6f0f\u3001\u5bf9\u8c61\u5f15\u7528\u9519\u8bef\u6216\u6027\u80fd\u95ee\u9898\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u4e9b\u95ee\u9898\uff0c\u5f00\u53d1\u8005\u9700\u8981\uff1a<\/p>\n\n\n\n<p>\u5b9a\u671f\u5ba1\u67e5\u548c\u6d4b\u8bd5JNI\u4ee3\u7801\uff0c\u786e\u4fdd\u5bf9\u8c61\u5f15\u7528\u88ab\u6b63\u786e\u7ba1\u7406\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528JNI\u51fd\u6570\uff0c\u5982 NewGlobalRef \u548c DeleteGlobalRef\uff0c\u7ba1\u7406\u5168\u5c40\u5f15\u7528\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528Java\u5e73\u53f0\u63d0\u4f9b\u7684\u5de5\u5177\uff0c\u5982 jvisualvm\uff0c\u68c0\u67e5\u548c\u5206\u6790\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1280\" height=\"850\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/10\/\u6587\u7ae0\u5185\u914d\u56fe-2-2.png?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"\" class=\"wp-image-57380\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/10\/\u6587\u7ae0\u5185\u914d\u56fe-2-2.png 1280w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/10\/\u6587\u7ae0\u5185\u914d\u56fe-2-2-768x510.png 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5e38\u89c1\u95ee\u7b54<\/strong><\/h2>\n\n\n\n<p><strong>1.<\/strong><strong>\u4e3a\u4ec0\u4e48\u5728JNI\u73af\u5883\u4e0b\uff0cJava\u7684\u5783\u573e\u6536\u96c6\u5668\u65e0\u6cd5\u76f4\u63a5\u8ddf\u8e2a\u5bf9\u8c61\uff1f<\/strong><\/p>\n\n\n\n<p>\u5728JNI\u73af\u5883\u4e0b\uff0cJava\u5bf9\u8c61\u4e0e\u672c\u5730\u4ee3\u7801\uff08\u4f8b\u5982C\u6216C++\uff09\u4e92\u64cd\u4f5c\u3002\u7531\u4e8e\u672c\u5730\u4ee3\u7801\u4e0d\u5728Java\u865a\u62df\u673a\u7684\u7ba1\u7406\u8303\u56f4\u5185\uff0c\u5783\u573e\u6536\u96c6\u5668\u65e0\u6cd5\u76f4\u63a5\u8bc6\u522b\u548c\u8ddf\u8e2aJNI\u4e2d\u7684\u5bf9\u8c61\u5f15\u7528\u3002\u56e0\u6b64\uff0cJNI\u63d0\u4f9b\u4e86\u4e00\u5957\u5f15\u7528\u7ba1\u7406\u673a\u5236\uff0c\u4ee5\u786e\u4fdd\u8fd9\u4e9b\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u5f97\u5230\u6b63\u786e\u5904\u7406\u3002<\/p>\n\n\n\n<p><strong>2.<\/strong><strong>\u4ec0\u4e48\u662f\u5c40\u90e8\u5f15\u7528\uff0c\u5b83\u4e0e\u5168\u5c40\u5f15\u7528\u6709\u4f55\u4e0d\u540c\uff1f<\/strong><\/p>\n\n\n\n<p>\u5c40\u90e8\u5f15\u7528\u662f\u4e3a\u77ed\u65f6\u95f4\u4f7f\u7528\u7684JNI\u5bf9\u8c61\u521b\u5efa\u7684\uff0c\u5b83\u4eec\u53ea\u5728\u8c03\u7528\u7684JNI\u51fd\u6570\u4e0a\u4e0b\u6587\u4e2d\u6709\u6548\u3002\u4e00\u65e6JNI\u51fd\u6570\u8fd4\u56de\uff0c\u8fd9\u4e9b\u5f15\u7528\u5c06\u4e0d\u518d\u6709\u6548\u3002\u800c\u5168\u5c40\u5f15\u7528\u5219\u7528\u4e8e\u5728JNI\u73af\u5883\u4e2d\u957f\u65f6\u95f4\u4fdd\u5b58\u5bf9\u8c61\u3002\u8fd9\u4e9b\u5f15\u7528\u4e0d\u4f1a\u88ab\u5783\u573e\u6536\u96c6\u5668\u81ea\u52a8\u56de\u6536\uff0c\u56e0\u6b64\u5f00\u53d1\u8005\u9700\u8981\u663e\u5f0f\u5730\u7ba1\u7406\u8fd9\u4e9b\u5f15\u7528\uff0c\u4ee5\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n\n\n\n<p><strong>3.<\/strong><strong>\u5982\u4f55\u907f\u514d\u5728JNI\u7f16\u7a0b\u4e2d\u7684\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\uff1f<\/strong><\/p>\n\n\n\n<p>\u8981\u907f\u514dJNI\u4e2d\u7684\u5185\u5b58\u6cc4\u6f0f\uff0c\u5173\u952e\u662f\u6b63\u786e\u7ba1\u7406\u5168\u5c40\u5f15\u7528\u3002\u5f53\u4e0d\u518d\u9700\u8981JNI\u5bf9\u8c61\u65f6\uff0c\u5f00\u53d1\u8005\u5e94\u4f7f\u7528JNI\u51fd\u6570\uff0c\u5982 <strong>DeleteGlobalRef<\/strong>\uff0c\u6765\u663e\u5f0f\u5220\u9664\u5168\u5c40\u5f15\u7528\u3002\u6b64\u5916\uff0c\u5b9a\u671f\u4f7f\u7528\u5de5\u5177\uff0c\u5982 <strong>jvisualvm<\/strong>\uff0c\u53ef\u4ee5\u5e2e\u52a9\u68c0\u67e5\u548c\u5206\u6790\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u53ca\u65f6\u53d1\u73b0\u6cc4\u6f0f\u95ee\u9898\u3002<\/p>\n\n\n\n<p><strong>4.<\/strong><strong>\u4e3a\u4ec0\u4e48\u8981\u5728JNI\u4ee3\u7801\u4e2d\u9891\u7e41\u5730\u68c0\u67e5\u548c\u5904\u7406Java\u5f02\u5e38\uff1f<\/strong><\/p>\n\n\n\n<p>\u5728JNI\u73af\u5883\u4e2d\uff0cJava\u65b9\u6cd5\u8c03\u7528\u53ef\u80fd\u4f1a\u4ea7\u751f\u5f02\u5e38\u3002\u5982\u679c\u8fd9\u4e9b\u5f02\u5e38\u5728\u8fd4\u56de\u5230Java\u4ee3\u7801\u4e4b\u524d\u672a\u88ab\u5904\u7406\uff0c\u5b83\u4eec\u5c06\u5728Java\u5c42\u629b\u51fa\uff0c\u53ef\u80fd\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u6216\u5176\u4ed6\u672a\u9884\u671f\u7684\u884c\u4e3a\u3002\u9891\u7e41\u5730\u68c0\u67e5\u548c\u5904\u7406\u5f02\u5e38\u53ef\u4ee5\u786e\u4fddJNI\u4ee3\u7801\u7684\u7a33\u5b9a\u8fd0\u884c\uff0c\u907f\u514d\u7531\u4e8e\u5f02\u5e38\u5f15\u53d1\u7684\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"JNI\u4e2d\u7684\u5bf9\u8c61\u7ba1\u7406\u662fJava\u865a\u62df\u673a\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u8bdd\u9898\u3002\u4e3a\u4e86\u4fdd\u6301Java\u7684\u5185\u5b58\u5b89\u5168\u7279\u6027\uff0c\u9700\u8981\u6df1\u5165\u4e86\u89e3JNI\u4e2d\u7684\u5bf9\u8c61 [&hellip;]","protected":false},"author":5,"featured_media":57354,"comment_status":"closed","ping_status":"closed","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\/57377"}],"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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=57377"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/57377\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/57354"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=57377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=57377"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=57377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}