{"id":200928,"date":"2025-05-06T14:07:53","date_gmt":"2025-05-06T06:07:53","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200928\/"},"modified":"2025-05-06T14:07:53","modified_gmt":"2025-05-06T06:07:53","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-mybatis-xml-%e5%9c%a8%e5%8f%98%e9%87%8f%e5%80%bc%e7%9a%84%e5%9f%ba%e7%a1%80%e4%b8%8a%e6%89%a7%e8%a1%8c%e5%8a%a8%e6%80%81-sql%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200928\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 MyBatis XML \u5728\u53d8\u91cf\u503c\u7684\u57fa\u7840\u4e0a\u6267\u884c\u52a8\u6001 SQL\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u4f7f\u7528 MyBatis XML \u5728\u53d8\u91cf\u503c\u7684\u57fa\u7840\u4e0a\u6267\u884c\u52a8\u6001 SQL\uff1f<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u4f7f\u7528 MyBatis XML \u5728\u53d8\u91cf\u503c\u7684\u57fa\u7840\u4e0a\u6267\u884c\u52a8\u6001 SQL\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

<\/p>\n

\u5982\u4f55\u5728 mybatis xml \u4e2d\u57fa\u4e8e\u53d8\u91cf\u503c\u6267\u884c\u52a8\u6001 sql<\/strong><\/p>\n

mybatis \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u6839\u636e\u53d8\u91cf\u503c\u52a8\u6001\u6267\u884c sql \u8bed\u53e5\u3002<\/p>\n

\u4f7f\u7528\u6570\u636e\u5e93\u5382\u5546\u6807\u8bc6<\/strong><\/p>\n

mybatis \u5177\u6709\u5185\u7f6e\u7684\u6570\u636e\u5e93\u5382\u5546\u6807\u8bc6\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u6307\u5b9a\u4e0d\u540c\u7684 sql \u8bed\u53e5\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6240\u4f7f\u7528\u7684\u6570\u636e\u5e93\u7c7b\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n

<select id=\"selectone\" databaseid=\"mysql\">\n    ...\n<\/select>\n<select id=\"selectone\" databaseid=\"dameng\">\n    ...\n<\/select><\/pre>\n
\u4f7f\u7528 if \u6807\u7b7e<\/strong><\/p>\n
\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 if \u6807\u7b7e\u6839\u636e\u53d8\u91cf\u503c\u6709\u6761\u4ef6\u5730\u6267\u884c sql \u8bed\u53e5\u3002\u4f8b\u5982\uff1a<\/p>\n
<select id=\"selectone\">\n    <if test=\"databasetype == 1\">\n        ...\n    <\/if>\n    <if test=\"databasetype == 2\">\n        ...\n    <\/if>\n<\/select><\/pre>\n
\u4f7f\u7528 choose \u6807\u7b7e<\/strong><\/p>\n
choose \u6807\u7b7e\u5141\u8bb8\u60a8\u6839\u636e\u591a\u4e2a\u6761\u4ef6\u6267\u884c\u4e0d\u540c\u7684 sql \u8bed\u53e5\u3002\u4f8b\u5982\uff1a<\/p>\n
<select id=\"selectOne\">\n    <choose>\n        <when test=\"databaseType == 1\">\n            ...\n        <\/when>\n        <when test=\"databaseType == 2\">\n            ...\n        <\/when>\n        <otherwise>\n            ...\n        <\/otherwise>\n    <\/choose>\n<\/select><\/pre>\n
\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u4f7f\u7528 MyBatis XML \u5728\u53d8\u91cf\u503c\u7684\u57fa\u7840\u4e0a\u6267\u884c\u52a8\u6001 SQL\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u4f7f\u7528 MyBatis XML...<\/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-200928","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200928","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=200928"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200928\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}