{"id":10006169,"date":"2022-08-11T13:59:37","date_gmt":"2022-08-11T05:59:37","guid":{"rendered":"https:\/\/ityet.com\/?p=10006169"},"modified":"2022-08-11T13:59:37","modified_gmt":"2022-08-11T05:59:37","slug":"%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9amybatis-%e6%8f%92%e4%bb%b6%e6%9c%89%e4%bb%80%e4%b9%88%e7%94%a8%e9%80%94%ef%bc%9f%e8%af%b4%e8%af%b4%e5%ba%95%e5%b1%82%e5%8e%9f%e7%90%86%ef%bc%9f%e6%88%91%e7%ab%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006169","title":{"rendered":"\u9762\u8bd5\u5b98\uff1aMyBatis \u63d2\u4ef6\u6709\u4ec0\u4e48\u7528\u9014\uff1f\u8bf4\u8bf4\u5e95\u5c42\u539f\u7406\uff1f\u6211\u7adf\u7136\u4e0d\u4f1a\u3002\u3002"},"content":{"rendered":"<p>\u6765\u6e90\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=ztR6LRpe4ZSza1HUH44AHw%3D%3D.e8ENml4iknWkI4ZWveEtgfaZZFJwfEvEafP73sa7HRXxzXY9zBpDHTl%2FAKrOLKUf\" rel=\"nofollow\">https:\/\/www.cnblogs.com\/chenp&#8230;<\/a><\/p>\n<h2>\u80cc\u666f<\/h2>\n<p>\u5173\u4e8eMybatis\u63d2\u4ef6\uff0c\u5927\u90e8\u5206\u4eba\u90fd\u77e5\u9053\uff0c\u4e5f\u90fd\u4f7f\u7528\u8fc7\uff0c\u4f46\u5f88\u591a\u65f6\u5019\uff0c\u6211\u4eec\u4ec5\u4ec5\u662f\u505c\u7559\u5728\u8868\u9762\u4e0a\uff0c\u77e5\u9053Mybatis\u63d2\u4ef6\u53ef\u4ee5\u5728DAO\u5c42\u8fdb\u884c\u62e6\u622a\uff0c\u5982\u6253\u5370\u6267\u884c\u7684SQL\u8bed\u53e5\u65e5\u5fd7\uff0c\u505a\u4e00\u4e9b\u6743\u9650\u63a7\u5236\uff0c\u5206\u9875\u7b49\u529f\u80fd\uff1b\u4f46\u5bf9\u5176\u5185\u90e8\u5b9e\u73b0\u673a\u5236\uff0c\u6d89\u53ca\u7684\u8f6f\u4ef6\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u7f16\u7a0b\u601d\u60f3\u5f80\u5f80\u6ca1\u6709\u6df1\u5165\u7684\u7406\u89e3\u3002<\/p>\n<p>\u672c\u7bc7\u6848\u4f8b\u5c06\u5e2e\u52a9\u8bfb\u8005\u5bf9Mybatis\u63d2\u4ef6\u7684\u4f7f\u7528\u573a\u666f\uff0c\u5b9e\u73b0\u673a\u5236\uff0c\u4ee5\u53ca\u5176\u4e2d\u6d89\u53ca\u7684\u7f16\u7a0b\u601d\u60f3\u8fdb\u884c\u4e00\u4e2a\u5c0f\u7ed3\uff0c\u5e0c\u671b\u5bf9\u4ee5\u540e\u7684\u7f16\u7a0b\u5f00\u53d1\u5de5\u4f5c\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<p>\u6ce8\uff1a\u672c\u6848\u4f8b\u4ee5mybatis 3.4.7-SNAPSHOT\u7248\u672c\u4e3a\u4f8b\u3002<\/p>\n<p>PS\uff1a\u6587\u7ae0\u662f\u633a\u4e45\u4e4b\u524d\u5199\u7684\uff0c\u5f53\u65f6\u82b1\u4e86\u4e00\u4e9b\u5fc3\u601d\uff0c\u5b58\u5230\u7535\u8111\u7684word\u91cc\uff0c\u4eca\u5929\u6b63\u597d\u770b\u5230\uff0c\u5c31\u662f\u91cc\u9762\u7684\u6e90\u7801\u90fd\u662f\u56fe\u7247\uff0c\u54c8\u54c8\u54c8\uff0c\u51d1\u5408\u7740\u770b\u5427\u3002<\/p>\n<h2>Mybatis\u63d2\u4ef6\u5178\u578b\u9002\u7528\u573a\u666f<\/h2>\n<h3>\u5206\u9875\u529f\u80fd<\/h3>\n<p>mybatis\u7684\u5206\u9875\u9ed8\u8ba4\u662f\u57fa\u4e8e\u5185\u5b58\u5206\u9875\u7684\uff08\u67e5\u51fa\u6240\u6709\uff0c\u518d\u622a\u53d6\uff09\uff0c\u6570\u636e\u91cf\u5927\u7684\u60c5\u51b5\u4e0b\u6548\u7387\u8f83\u4f4e\uff0c\u4e0d\u8fc7\u4f7f\u7528mybatis\u63d2\u4ef6\u53ef\u4ee5\u6539\u53d8\u8be5\u884c\u4e3a\uff0c\u53ea\u9700\u8981\u62e6\u622aStatementHandler\u7c7b\u7684prepare\u65b9\u6cd5\uff0c\u6539\u53d8\u8981\u6267\u884c\u7684SQL\u8bed\u53e5\u4e3a\u5206\u9875\u8bed\u53e5\u5373\u53ef\uff1b<\/p>\n<h3>\u516c\u5171\u5b57\u6bb5\u7edf\u4e00\u8d4b\u503c<\/h3>\n<p>\u4e00\u822c\u4e1a\u52a1\u7cfb\u7edf\u90fd\u4f1a\u6709\u521b\u5efa\u8005\uff0c\u521b\u5efa\u65f6\u95f4\uff0c\u4fee\u6539\u8005\uff0c\u4fee\u6539\u65f6\u95f4\u56db\u4e2a\u5b57\u6bb5\uff0c\u5bf9\u4e8e\u8fd9\u56db\u4e2a\u5b57\u6bb5\u7684\u8d4b\u503c\uff0c\u5b9e\u9645\u4e0a\u53ef\u4ee5\u5728DAO\u5c42\u7edf\u4e00\u62e6\u622a\u5904\u7406\uff0c\u53ef\u4ee5\u7528mybatis\u63d2\u4ef6\u62e6\u622aExecutor\u7c7b\u7684update\u65b9\u6cd5\uff0c\u5bf9\u76f8\u5173\u53c2\u6570\u8fdb\u884c\u7edf\u4e00\u8d4b\u503c\u5373\u53ef\uff1b<\/p>\n<h3>\u6027\u80fd\u76d1\u63a7<\/h3>\n<p>\u5bf9\u4e8eSQL\u8bed\u53e5\u6267\u884c\u7684\u6027\u80fd\u76d1\u63a7\uff0c\u53ef\u4ee5\u901a\u8fc7\u62e6\u622aExecutor\u7c7b\u7684update, query\u7b49\u65b9\u6cd5\uff0c\u7528\u65e5\u5fd7\u8bb0\u5f55\u6bcf\u4e2a\u65b9\u6cd5\u6267\u884c\u7684\u65f6\u95f4\uff1b<\/p>\n<h3>\u5176\u5b83<\/h3>\n<p>\u5176\u5b9emybatis\u6269\u5c55\u6027\u8fd8\u662f\u5f88\u5f3a\u7684\uff0c\u57fa\u4e8e\u63d2\u4ef6\u673a\u5236\uff0c\u57fa\u672c\u4e0a\u53ef\u4ee5\u63a7\u5236SQL\u6267\u884c\u7684\u5404\u4e2a\u9636\u6bb5\uff0c\u5982\u6267\u884c\u9636\u6bb5\uff0c\u53c2\u6570\u5904\u7406\u9636\u6bb5\uff0c\u8bed\u6cd5\u6784\u5efa\u9636\u6bb5\uff0c\u7ed3\u679c\u96c6\u5904\u7406\u9636\u6bb5\uff0c\u5177\u4f53\u53ef\u4ee5\u6839\u636e\u9879\u76ee\u4e1a\u52a1\u6765\u5b9e\u73b0\u5bf9\u5e94\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n<h2>Mybatis\u63d2\u4ef6\u4ecb\u7ecd<\/h2>\n<h3>\u4ec0\u4e48\u662fMybatis\u63d2\u4ef6<\/h3>\n<p>\u4e0e\u5176\u79f0\u4e3aMybatis\u63d2\u4ef6\uff0c\u4e0d\u5982\u53ebMybatis\u62e6\u622a\u5668\uff0c\u66f4\u52a0\u7b26\u5408\u5176\u529f\u80fd\u5b9a\u4f4d\uff0c\u5b9e\u9645\u4e0a\u5b83\u5c31\u662f\u4e00\u4e2a\u62e6\u622a\u5668\uff0c\u5e94\u7528\u4ee3\u7406\u6a21\u5f0f\uff0c\u5728\u65b9\u6cd5\u7ea7\u522b\u4e0a\u8fdb\u884c\u62e6\u622a\u3002<\/p>\n<h3>\u652f\u6301\u62e6\u622a\u7684\u65b9\u6cd5<\/h3>\n<ul>\n<li>\u6267\u884c\u5668Executor\uff08update\u3001query\u3001commit\u3001rollback\u7b49\u65b9\u6cd5\uff09\uff1b<\/li>\n<li>\u53c2\u6570\u5904\u7406\u5668ParameterHandler\uff08getParameterObject\u3001setParameters\u65b9\u6cd5\uff09\uff1b<\/li>\n<li>\u7ed3\u679c\u96c6\u5904\u7406\u5668ResultSetHandler\uff08handleResultSets\u3001handleOutputParameters\u7b49\u65b9\u6cd5\uff09\uff1b<\/li>\n<li>SQL\u8bed\u6cd5\u6784\u5efa\u5668StatementHandler\uff08prepare\u3001parameterize\u3001batch\u3001update\u3001query\u7b49\u65b9\u6cd5\uff09\uff1b<\/li>\n<\/ul>\n<h3>\u62e6\u622a\u9636\u6bb5<\/h3>\n<p>\u90a3\u4e48\u8fd9\u4e9b\u7c7b\u4e0a\u7684\u65b9\u6cd5\u90fd\u662f\u5728\u4ec0\u4e48\u9636\u6bb5\u88ab\u62e6\u622a\u7684\u5462\uff1f\u4e3a\u7406\u89e3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u5148\u770b\u6bb5\u7b80\u5355\u7684\u4ee3\u7801\uff08\u6458\u81eamybatis\u6e90\u7801\u4e2d\u7684\u5355\u5143\u6d4b\u8bd5SqlSessionTest\u7c7b\uff09\uff0c\u6765\u4e86\u89e3\u4e0b\u5178\u578b\u7684mybatis\u6267\u884c\u6d41\u7a0b\uff0c\u5982\u4e0b\u4ee3\u7801\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5i\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u4e3b\u8981\u5b8c\u6210\u4ee5\u4e0b\u529f\u80fd\uff1a<\/p>\n<ul>\n<li>\u8bfb\u53d6mybatis\u7684xml\u914d\u7f6e\u6587\u4ef6\u4fe1\u606f<\/li>\n<li>\u901a\u8fc7SqlSessionFactoryBuilder\u521b\u5efaSqlSessionFactory\u5bf9\u8c61<\/li>\n<li>\u901a\u8fc7SqlSessionFactory\u83b7\u53d6SqlSession\u5bf9\u8c61<\/li>\n<li>\u6267\u884cSqlSession\u5bf9\u8c61\u7684selectList\u65b9\u6cd5\uff0c\u67e5\u8be2\u7ed3\u679c<\/li>\n<li>\u5173\u95edSqlSession<\/li>\n<\/ul>\n<p>\u5982\u4e0b\u662f\u65f6\u5e8f\u56fe\uff0c\u5728\u6574\u4e2a\u65f6\u5e8f\u56fe\u4e2d\uff0c\u6d89\u53ca\u5230mybatis\u63d2\u4ef6\u90e8\u5206\u5df2\u6807\u7ea2\uff0c\u57fa\u672c\u4e0a\u5c31\u662f\u4f53\u73b0\u5728\u4e0a\u6587\u4e2d\u63d0\u5230\u7684\u56db\u4e2a\u7c7b\u4e0a\uff0c\u5bf9\u8fd9\u4e9b\u7c7b\u4e0a\u7684\u65b9\u6cd5\u8fdb\u884c\u62e6\u622a\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5j\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>Mybatis\u63d2\u4ef6\u5b9e\u73b0\u673a\u5236<\/h2>\n<h3>\u63d2\u4ef6\u914d\u7f6e\u4fe1\u606f\u7684\u52a0\u8f7d<\/h3>\n<p>\u5148\u6765\u770b\u4e0bmybatis\u662f\u5982\u4f55\u52a0\u8f7d\u63d2\u4ef6\u914d\u7f6e\u7684\uff0c\u5bf9\u5e94\u7684xml\u914d\u7f6e\u4fe1\u606f\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5k\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5bf9\u5e94\u7684\u89e3\u6790\u4ee3\u7801\u5982\u4e0b\uff0c\u4e3b\u8981\u505a\u4ee5\u4e0b\u5de5\u4f5c\uff1a<\/p>\n<ol>\n<li>\u6839\u636e\u89e3\u6790\u5230\u7684\u7c7b\u4fe1\u606f\u521b\u5efaInterceptor\u5bf9\u8c61\uff1b<\/li>\n<li>\u8c03\u7528setProperties\u65b9\u6cd5\u8bbe\u7f6e\u5c5e\u6027\u53d8\u91cf\uff1b<\/li>\n<li>\u6dfb\u52a0\u5230Configuration\u7684interceptorChain\u62e6\u622a\u5668\u94fe\u4e2d\uff1b<\/li>\n<\/ol>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5l\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4ee5\u4e0a\u903b\u8f91\u5bf9\u5e94\u7684\u65f6\u5e8f\u56fe\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5m\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>\u4ee3\u7406\u5bf9\u8c61\u7684\u751f\u6210<\/h3>\n<p>Mybatis\u63d2\u4ef6\u7684\u5b9e\u73b0\u673a\u5236\u4e3b\u8981\u662f\u57fa\u4e8e\u52a8\u6001\u4ee3\u7406\u5b9e\u73b0\u7684\uff0c\u5176\u4e2d\u6700\u4e3a\u5173\u952e\u7684\u5c31\u662f\u4ee3\u7406\u5bf9\u8c61\u7684\u751f\u6210\uff0c\u6240\u4ee5\u6709\u5fc5\u8981\u6765\u4e86\u89e3\u4e0b\u8fd9\u4e9b\u4ee3\u7406\u5bf9\u8c61\u662f\u5982\u4f55\u751f\u6210\u7684\u3002<\/p>\n<p>Executor\u4ee3\u7406\u5bf9\u8c61<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5n\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>ParameterHandler\u4ee3\u7406\u5bf9\u8c61<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5o\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>ResultSetHandler\u4ee3\u7406\u5bf9\u8c61<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5p\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>StatementHandler\u4ee3\u7406\u5bf9\u8c61<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5q\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u89c2\u5bdf\u6e90\u7801\uff0c\u53d1\u73b0\u8fd9\u4e9b\u53ef\u62e6\u622a\u7684\u7c7b\u5bf9\u5e94\u7684\u5bf9\u8c61\u751f\u6210\u90fd\u662f\u901a\u8fc7InterceptorChain\u7684pluginAll\u65b9\u6cd5\u6765\u521b\u5efa\u7684\uff0c\u8fdb\u4e00\u6b65\u89c2\u5bdfpluginAll\u65b9\u6cd5\uff0c\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5r\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u904d\u5386\u6240\u6709\u62e6\u622a\u5668\uff0c\u8c03\u7528\u62e6\u622a\u5668\u7684plugin\u65b9\u6cd5\u751f\u6210\u4ee3\u7406\u5bf9\u8c61\uff0c\u6ce8\u610f\u751f\u6210\u4ee3\u7406\u5bf9\u8c61\u91cd\u65b0\u8d4b\u503c\u7ed9target\uff0c\u6240\u4ee5\u5982\u679c\u6709\u591a\u4e2a\u62e6\u622a\u5668\u7684\u8bdd\uff0c\u751f\u6210\u7684\u4ee3\u7406\u5bf9\u8c61\u4f1a\u88ab\u53e6\u4e00\u4e2a\u4ee3\u7406\u5bf9\u8c61\u4ee3\u7406\uff0c\u4ece\u800c\u5f62\u6210\u4e00\u4e2a\u4ee3\u7406\u94fe\u6761\uff0c\u6267\u884c\u7684\u65f6\u5019\uff0c\u4f9d\u6b21\u6267\u884c\u6240\u6709\u62e6\u622a\u5668\u7684\u62e6\u622a\u903b\u8f91\u4ee3\u7801\uff1b<\/p>\n<p>\u63a5\u4e0b\u6765\u770b\u4e00\u4e0b\u6211\u4eec\u5728\u7f16\u5199\u62e6\u622a\u5668\u7684\u65f6\u5019\uff0c\u4e00\u4e2a\u5178\u578b\u7684plugin\u65b9\u6cd5\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5s\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u518d\u8fdb\u4e00\u6b65\u67e5\u770bwrap\u65b9\u6cd5\uff0c\u5982\u4e0b\uff1a<\/p>\n<p>\u5178\u578b\u7684\u52a8\u6001\u4ee3\u7406\u5b9e\u73b0\uff0c\u8c03\u7528\u7684\u662fProxy.newProxyInstance\u65b9\u6cd5\u6765\u751f\u6210\u4ee3\u7406\u5bf9\u8c61\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5t\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4ee5\u4e0a\u903b\u8f91\u5bf9\u5e94\u7684\u65f6\u5e8f\u56fe\u5982\u4e0b\uff0c\u8fd9\u91cc\u6211\u4eec\u5047\u8bbe\u58f0\u660e\u4e86\u4e24\u4e2a\u62e6\u622a\u5668\uff0c\u90a3\u4e48\u5728\u521b\u5efatarget\u4ee3\u7406\u5bf9\u8c61\u7684\u65f6\u5019\uff0c\u6700\u7ec8\u8fd4\u56de\u7684\u4ee3\u7406\u5bf9\u8c61proxy2\uff0c\u5b9e\u9645\u4e0a\u4ee3\u7406\u4e86proxy1\uff0c\u800cproxy1\u53c8\u4ee3\u7406\u4e86target\uff0c\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5u\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>\u62e6\u622a\u903b\u8f91\u7684\u6267\u884c<\/h3>\n<p>\u7531\u4e8e\u771f\u6b63\u53bb\u6267\u884cExecutor\u3001ParameterHandler\u3001ResultSetHandler\u548cStatementHandler\u7c7b\u4e2d\u7684\u65b9\u6cd5\u7684\u5bf9\u8c61\u662f\u4ee3\u7406\u5bf9\u8c61\uff08\u5efa\u8bae\u5c06\u4ee3\u7406\u5bf9\u8c61\u8f6c\u4e3aclass\u6587\u4ef6\uff0c\u53cd\u7f16\u8bd1\u67e5\u770b\u5176\u7ed3\u6784\uff0c\u5e2e\u52a9\u7406\u89e3\uff09\uff0c\u6240\u4ee5\u5728\u6267\u884c\u65b9\u6cd5\u65f6\uff0c\u9996\u5148\u8c03\u7528\u7684\u662fPlugin\u7c7b\uff08\u5b9e\u73b0\u4e86InvocationHandler\u63a5\u53e3\uff09\u7684invoke\u65b9\u6cd5\uff0c\u5982\u4e0b\uff1a<\/p>\n<p>\u9996\u5148\u6839\u636e\u6267\u884c\u65b9\u6cd5\u6240\u5c5e\u7c7b\u83b7\u53d6\u62e6\u622a\u5668\u4e2d\u58f0\u660e\u9700\u8981\u62e6\u622a\u7684\u65b9\u6cd5\u96c6\u5408\uff1b<\/p>\n<p>\u5224\u65ad\u5f53\u524d\u65b9\u6cd5\u9700\u4e0d\u9700\u8981\u6267\u884c\u62e6\u622a\u903b\u8f91\uff0c\u9700\u8981\u7684\u8bdd\uff0c\u6267\u884c\u62e6\u622a\u903b\u8f91\u65b9\u6cd5\uff08\u5373Interceptor\u63a5\u53e3\u7684intercept\u65b9\u6cd5\u5b9e\u73b0\uff09\uff0c\u4e0d\u9700\u8981\u5219\u76f4\u63a5\u6267\u884c\u539f\u65b9\u6cd5\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5v\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u53ef\u4ee5\u5173\u6ce8\u4e0bInterceptor\u63a5\u53e3\u7684intercept\u65b9\u6cd5\u5b9e\u73b0\uff0c\u4e00\u822c\u9700\u8981\u7528\u6237\u81ea\u5b9a\u4e49\u5b9e\u73b0\u903b\u8f91\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u91cd\u8981\u53c2\u6570\uff0c\u5373Invocation\u7c7b\uff0c\u901a\u8fc7\u6539\u53c2\u6570\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u6267\u884c\u5bf9\u8c61\uff0c\u6267\u884c\u65b9\u6cd5\uff0c\u4ee5\u53ca\u6267\u884c\u65b9\u6cd5\u4e0a\u7684\u53c2\u6570\uff0c\u4ece\u800c\u8fdb\u884c\u5404\u79cd\u4e1a\u52a1\u903b\u8f91\u5b9e\u73b0\uff0c\u4e00\u822c\u5728\u8be5\u65b9\u6cd5\u7684\u6700\u540e\u4e00\u53e5\u4ee3\u7801\u90fd\u662finvocation.proceed()\uff08\u5185\u90e8\u6267\u884cmethod.invoke\u65b9\u6cd5\uff09\uff0c\u5426\u5219\u5c06\u65e0\u6cd5\u6267\u884c\u4e0b\u4e00\u4e2a\u62e6\u622a\u5668\u7684intercept\u65b9\u6cd5\u3002<\/p>\n<p>\u4ee5\u4e0a\u903b\u8f91\u5bf9\u5e94\u7684\u65f6\u5e8f\u56fe\u5982\u4e0b\uff0c\u8fd9\u91cc\u6211\u4eec\u4ee5\u6267\u884cexecutor\u5bf9\u8c61\u7684query\u65b9\u6cd5\u4e3a\u4f8b\uff0c\u4e14\u5047\u8bbe\u6709\u4e24\u4e2a\u62e6\u622a\u5668\u5b58\u5728\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5w\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>Mybatis\u63d2\u4ef6\u5f00\u53d1\u4f8b\u5b50<\/h2>\n<p>\u8fd9\u91cc\u4ee5\u5206\u9875\u63d2\u4ef6\u4e3a\u4f8b\uff0c\u6765\u4e86\u89e3\u4e0b\u4e00\u822cmybatis\u63d2\u4ef6\u7684\u7f16\u5199\u89c4\u5219\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p>\u4e3b\u8981\u9700\u8981\u5b9e\u73b0\u4e09\u4e2a\u65b9\u6cd5<\/p>\n<ol>\n<li>intercept:\u5728\u6b64\u5b9e\u73b0\u81ea\u5df1\u7684\u62e6\u622a\u903b\u8f91\uff0c\u53ef\u4eceInvocation\u53c2\u6570\u4e2d\u62ff\u5230\u6267\u884c\u65b9\u6cd5\u7684\u5bf9\u8c61\uff0c\u65b9\u6cd5\uff0c\u65b9\u6cd5\u53c2\u6570\uff0c\u4ece\u800c\u5b9e\u73b0\u5404\u79cd\u4e1a\u52a1\u903b\u8f91, \u5982\u4e0b\u4ee3\u7801\u6240\u793a\uff0c\u4eceinvocation\u4e2d\u83b7\u53d6\u7684statementHandler\u5bf9\u8c61\u5373\u4e3a\u88ab\u4ee3\u7406\u5bf9\u8c61\uff0c\u57fa\u4e8e\u8be5\u5bf9\u8c61\uff0c\u6211\u4eec\u83b7\u53d6\u5230\u4e86\u6267\u884c\u7684\u539f\u59cbSQL\u8bed\u53e5\uff0c\u4ee5\u53caprepare\u65b9\u6cd5\u4e0a\u7684\u5206\u9875\u53c2\u6570\uff0c\u5e76\u66f4\u6539SQL\u8bed\u53e5\u4e3a\u65b0\u7684\u5206\u9875\u8bed\u53e5\uff0c\u6700\u540e\u8c03\u7528invocation.proceed()\u8fd4\u56de\u7ed3\u679c\u3002<\/li>\n<li>plugin\uff1a\u751f\u6210\u4ee3\u7406\u5bf9\u8c61\uff1b<\/li>\n<li>setProperties\uff1a\u8bbe\u7f6e\u4e00\u4e9b\u5c5e\u6027\u53d8\u91cf\uff1b<\/li>\n<\/ol>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc1E5x\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>\u5c0f\u7ed3<\/h2>\n<p>\u7b80\u5355\u7684\u8bf4\uff0cmybatis\u63d2\u4ef6\u5c31\u662f\u5bf9ParameterHandler\u3001ResultSetHandler\u3001StatementHandler\u3001Executor\u8fd9\u56db\u4e2a\u63a5\u53e3\u4e0a\u7684\u65b9\u6cd5\u8fdb\u884c\u62e6\u622a\uff0c\u5229\u7528JDK\u52a8\u6001\u4ee3\u7406\u673a\u5236\uff0c\u4e3a\u8fd9\u4e9b\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61\uff0c\u5728\u6267\u884c\u65b9\u6cd5\u65f6\uff0c\u5148\u53bb\u6267\u884c\u4ee3\u7406\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u4ece\u800c\u6267\u884c\u81ea\u5df1\u7f16\u5199\u7684\u62e6\u622a\u903b\u8f91\uff0c\u6240\u4ee5\u771f\u6b63\u8981\u7528\u597dmybatis\u63d2\u4ef6\uff0c\u4e3b\u8981\u8fd8\u662f\u8981\u719f\u6089\u8fd9\u56db\u4e2a\u63a5\u53e3\u7684\u65b9\u6cd5\u4ee5\u53ca\u8fd9\u4e9b\u65b9\u6cd5\u4e0a\u7684\u53c2\u6570\u7684\u542b\u4e49\uff1b<\/p>\n<p>\u53e6\u5916\uff0c\u5982\u679c\u914d\u7f6e\u4e86\u591a\u4e2a\u62e6\u622a\u5668\u7684\u8bdd\uff0c\u4f1a\u51fa\u73b0\u5c42\u5c42\u4ee3\u7406\u7684\u60c5\u51b5\uff0c\u5373\u4ee3\u7406\u5bf9\u8c61\u4ee3\u7406\u4e86\u53e6\u5916\u4e00\u4e2a\u4ee3\u7406\u5bf9\u8c61\uff0c\u5f62\u6210\u4e00\u4e2a\u4ee3\u7406\u94fe\u6761\uff0c\u6267\u884c\u7684\u65f6\u5019\uff0c\u4e5f\u662f\u5c42\u5c42\u6267\u884c\uff1b<\/p>\n<p>\u5173\u4e8emybatis\u63d2\u4ef6\u6d89\u53ca\u5230\u7684\u8bbe\u8ba1\u6a21\u5f0f\u548c\u8f6f\u4ef6\u601d\u60f3\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u8bbe\u8ba1\u6a21\u5f0f\uff1a\u4ee3\u7406\u6a21\u5f0f\u3001\u8d23\u4efb\u94fe\u6a21\u5f0f\uff1b<\/li>\n<li>\u8f6f\u4ef6\u601d\u60f3\uff1aAOP\u7f16\u7a0b\u601d\u60f3\uff0c\u964d\u4f4e\u6a21\u5757\u95f4\u7684\u8026\u5408\u5ea6\uff0c\u4f7f\u4e1a\u52a1\u6a21\u5757\u66f4\u52a0\u72ec\u7acb\uff1b<\/li>\n<\/ol>\n<p>\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n<ol>\n<li>\u4e0d\u8981\u5b9a\u4e49\u8fc7\u591a\u7684\u63d2\u4ef6\uff0c\u4ee3\u7406\u5d4c\u5957\u8fc7\u591a\uff0c\u6267\u884c\u65b9\u6cd5\u7684\u65f6\u5019\uff0c\u6bd4\u8f83\u8017\u6027\u80fd\uff1b<\/li>\n<li>\u62e6\u622a\u5668\u5b9e\u73b0\u7c7b\u7684intercept\u65b9\u6cd5\u91cc\u6700\u540e\u4e0d\u8981\u5fd8\u4e86\u6267\u884cinvocation.proceed()\u65b9\u6cd5\uff0c\u5426\u5219\u591a\u4e2a\u62e6\u622a\u5668\u60c5\u51b5\u4e0b\uff0c\u6267\u884c\u94fe\u6761\u4f1a\u65ad\u6389\uff1b<\/li>\n<\/ol>\n<p><strong>\u8fd1\u671f\u70ed\u6587\u63a8\u8350\uff1a<\/strong><\/p>\n<p>1.<a href=\"https:\/\/link.segmentfault.com\/?enc=8v9jMr6r6mJzW85snuDwXQ%3D%3D.q1nGWRsnsuvwb9yzhbxxVhAGqTxLi2y2kAK5M%2B6GR%2B0%3D\" rel=\"nofollow\">1,000+ \u9053 Java\u9762\u8bd5\u9898\u53ca\u7b54\u6848\u6574\u7406(2022\u6700\u65b0\u7248)<\/a><\/p>\n<p>2.<a href=\"https:\/\/link.segmentfault.com\/?enc=dmc2msIbh%2FPflBghDw8qGA%3D%3D.wyOBsx%2Bk2gH01seW3jqwFg%2BeOk6Q5nCv1ewLvvLKtHDmHsAnepSHYi2tAVTCgtrJAH%2F5u9tJsRPMu1nxIJB4yS7OaIOfoJ0wOVzBmy5JHo4%3D\" rel=\"nofollow\">\u52b2\u7206\uff01Java \u534f\u7a0b\u8981\u6765\u4e86\u3002\u3002\u3002<\/a><\/p>\n<p>3.<a href=\"https:\/\/link.segmentfault.com\/?enc=DG5%2BoPjB5WedgOSwdHEsQQ%3D%3D.l2nUIcgDjf2P9FDhi6EkkN%2BVCrOiYReEiqyVz8Z0clf0JJmsN5Iki2ICvnD%2Bdo%2B1\" rel=\"nofollow\">Spring Boot 2.x \u6559\u7a0b\uff0c\u592a\u5168\u4e86\uff01<\/a><\/p>\n<p>4.<a href=\"https:\/\/link.segmentfault.com\/?enc=alxpNbe8cNnM57iN4X3D5A%3D%3D.K0SG85dfwraFGRoWuOSWZjqvDDOCg1D%2BYfMmz7zH6ZQgV9mqj2WCaNFhCknkZTP%2F6O6JjAH5enXiRxx1eExTrIAgIDHTpaYLr3HFCH%2BPRXM%3D\" rel=\"nofollow\">\u522b\u518d\u5199\u6ee1\u5c4f\u7684\u7206\u7206\u7206\u70b8\u7c7b\u4e86\uff0c\u8bd5\u8bd5\u88c5\u9970\u5668\u6a21\u5f0f\uff0c\u8fd9\u624d\u662f\u4f18\u96c5\u7684\u65b9\u5f0f\uff01\uff01<\/a><\/p>\n<p>5.<a href=\"https:\/\/link.segmentfault.com\/?enc=f933mQOcqj26yq20l9XLYg%3D%3D.WyjVmMeCEgZ%2BW2MGVHNawZrHalp9OhbfiO0i5X%2F0N8jiq7%2FNLQ%2Bfk749mKlWYGfH%2BxjtrVTXapKrpSERWSMOwjp9%2FN9YjXFzKTqgzT8AQR0a9YqMWfNyqf60WM%2B1R20A\" rel=\"nofollow\">\u300aJava\u5f00\u53d1\u624b\u518c\uff08\u5d69\u5c71\u7248\uff09\u300b\u6700\u65b0\u53d1\u5e03\uff0c\u901f\u901f\u4e0b\u8f7d\uff01<\/a><\/p>\n<p>\u89c9\u5f97\u4e0d\u9519\uff0c\u522b\u5fd8\u4e86\u968f\u624b\u70b9\u8d5e+\u8f6c\u53d1\u54e6\uff01<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042302934\">https:\/\/segmentfault.com\/a\/1190000042302934<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6765\u6e90\uff1ahttps:\/\/www.cnblogs.com\/chenp&#8230; \u80cc\u666f \u5173\u4e8eMybatis\u63d2\u4ef6\uff0c [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006169","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006169","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006169"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006169\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}