{"id":200694,"date":"2025-05-06T12:12:21","date_gmt":"2025-05-06T04:12:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200694\/"},"modified":"2025-05-06T12:12:21","modified_gmt":"2025-05-06T04:12:21","slug":"mysql-%e4%be%9d%e8%b5%96%e8%8c%83%e5%9b%b4%e6%8c%87%e5%ae%9a%e4%b8%ba-runtime%ef%bc%8c%e9%a1%b9%e7%9b%ae%e5%8f%91%e5%b8%83%e5%90%8e%e6%b2%a1%e6%9c%89%e9%a9%b1%e5%8a%a8%e7%a8%8b%e5%ba%8f%ef%bc%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200694\/","title":{"rendered":"MySQL \u4f9d\u8d56\u8303\u56f4\u6307\u5b9a\u4e3a Runtime\uff0c\u9879\u76ee\u53d1\u5e03\u540e\u6ca1\u6709\u9a71\u52a8\u7a0b\u5e8f\uff0c\u5982\u4f55\u6b63\u5e38\u8fde\u63a5\u6570\u636e\u5e93\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL \u4f9d\u8d56\u8303\u56f4\u6307\u5b9a\u4e3a Runtime\uff0c\u9879\u76ee\u53d1\u5e03\u540e\u6ca1\u6709\u9a71\u52a8\u7a0b\u5e8f\uff0c\u5982\u4f55\u6b63\u5e38\u8fde\u63a5\u6570\u636e\u5e93\uff1f<\/h1>\n<p>\u5728\u6570\u636e\u5e93\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6574\u7406\u5206\u4eab\u300aMySQL \u4f9d\u8d56\u8303\u56f4\u6307\u5b9a\u4e3a Runtime\uff0c\u9879\u76ee\u53d1\u5e03\u540e\u6ca1\u6709\u9a71\u52a8\u7a0b\u5e8f\uff0c\u5982\u4f55\u6b63\u5e38\u8fde\u63a5\u6570\u636e\u5e93\uff1f\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241111\/173133724967321c214fd0c.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u7406\u89e3 mysql \u4f9d\u8d56\u7684 runtime \u4f5c\u7528\u8303\u56f4<\/strong><\/p>\n<p>\u5728 java \u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u5728\u5904\u7406\u6570\u636e\u5e93\u8fde\u63a5\u65f6\uff0c\u901a\u5e38\u9700\u8981\u4f9d\u8d56\u6570\u636e\u5e93\u7684 jdbc \u9a71\u52a8\u7a0b\u5e8f\u3002\u4f46\u662f\uff0c\u9488\u5bf9 mysql \u6765\u8bf4\uff0c\u5b83\u7684\u4f9d\u8d56\u8303\u56f4\u5374\u6307\u5b9a\u4e3a runtime\u3002\u8fd9\u5f15\u53d1\u4e86\u4e00\u4e2a\u7591\u95ee\uff0c\u9879\u76ee\u5728\u53d1\u5e03\u540e\u6ca1\u6709 mysql \u9a71\u52a8\u7a0b\u5e8f\uff0c\u5982\u4f55\u6b63\u5e38\u8fde\u63a5\u6570\u636e\u5e93\uff1f<\/p>\n<p>\u8981\u89e3\u7b54\u8fd9\u4e00\u7591\u60d1\uff0c\u9700\u8981\u6df1\u5165\u7406\u89e3 jdbc \u7684\u5de5\u4f5c\u539f\u7406\u3002\u5728\u7f16\u7801\u65f6\uff0c\u6211\u4eec\u4f9d\u8d56\u7684\u662f jdbc \u63a5\u53e3\uff0c\u4f46\u4e0d\u4f1a\u76f4\u63a5\u4f9d\u8d56 mysql \u7279\u5b9a\u7684 jdbc \u9a71\u52a8\u7a0b\u5e8f\u3002\u5f53\u8fde\u63a5 mysql \u65f6\uff0c\u6211\u4eec\u4f1a\u4f7f\u7528\u7c7b\u4f3c\u7684\u4ee3\u7801\uff1a<\/p>\n<pre>Class.forName(\"com.mysql.jdbc.Driver\");\nConnection conn = DriverManager.getConnection(url, username, password);<\/pre>\n<p>\u5176\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 class.forname \u65b9\u6cd5\u5728\u8fd0\u884c\u65f6\u4ece\u7c7b\u8def\u5f84\u4e2d\u52a0\u8f7d mysql jdbc \u9a71\u52a8\u7a0b\u5e8f\u3002\u540e\u7eed\u8c03\u7528\u90fd\u4f7f\u7528 jdbc \u63a5\u53e3\uff0c\u800c\u6ca1\u6709\u4f7f\u7528 mysql jdbc \u7684\u4e13\u6709\u65b9\u6cd5\u3002\u56e0\u6b64\uff0cjdbc \u9a71\u52a8\u7a0b\u5e8f\u5e76\u4e0d\u5c5e\u4e8e\u7f16\u8bd1\u4f9d\u8d56\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4f1a\u5728\u7f16\u8bd1\u65f6\u76f4\u63a5\u4f7f\u7528\u3002<\/p>\n<p>\u57fa\u4e8e\u6b64\uff0cjdbc \u9a71\u52a8\u7a0b\u5e8f\u7684\u4f9d\u8d56\u8303\u56f4\u88ab\u6307\u5b9a\u4e3a runtime scope\u3002\u8fd9\u6837\uff0c\u5728\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\uff0c\u5b83\u4e0d\u4f1a\u88ab\u5f15\u5165\u7c7b\u8def\u5f84\uff0c\u4f46\u4f1a\u5728\u6253\u5305\u65f6\u88ab\u5305\u542b\u5728\u5185\u3002\u8fd9\u610f\u5473\u7740\uff0c\u65e0\u9700\u62c5\u5fc3\u5728\u53d1\u5e03\u540e\u65e0\u6cd5\u8fde\u63a5\u6570\u636e\u5e93\uff0c\u56e0\u4e3a mysql jdbc \u9a71\u52a8\u7a0b\u5e8f\u4f1a\u5728\u6253\u5305\u540e\u5305\u542b\u5728\u9879\u76ee\u4e2d\u3002<\/p>\n<p>\u603b\u7ed3\u4e00\u4e0b\uff0c<strong>compile scope<\/strong> \u8868\u793a\u7f16\u8bd1\u65f6\u9700\u8981\u7684\u4f9d\u8d56\uff0c\u901a\u5e38\u4e5f\u5305\u542b\u5728 runtime scope \u4e2d\u3002\u800c <strong>runtime scope<\/strong> \u8868\u793a\u53ea\u5728\u8fd0\u884c\u65f6\u9700\u8981\u7684\u4f9d\u8d56\uff0c\u5728\u6253\u5305\u65f6\u624d\u4f1a\u5305\u542b\u5728\u7c7b\u8def\u5f84\u4e2d\u3002\u5bf9\u4e8e jdbc \u9a71\u52a8\u7a0b\u5e8f\u800c\u8a00\uff0c\u5b83\u4e0d\u5c5e\u4e8e\u7f16\u8bd1\u4f9d\u8d56\uff0c\u56e0\u6b64\u6307\u5b9a\u4e3a runtime scope \u5e76\u4e0d\u4f1a\u5f71\u54cd\u9879\u76ee\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u4f9d\u8d56\u8303\u56f4\u6307\u5b9a\u4e3a Ru&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200694","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200694"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200694\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}