{"id":14195,"date":"2023-12-04T00:41:53","date_gmt":"2023-12-03T16:41:53","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14195"},"modified":"2023-12-04T00:43:54","modified_gmt":"2023-12-03T16:43:54","slug":"mybatis-de-xml-ying-she-wen-jian-zhong-bu-tong-de","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/mybatis-de-xml-ying-she-wen-jian-zhong-bu-tong-de\/","title":{"rendered":"MyBatis \u7684 Xml \u6620\u5c04\u6587\u4ef6\u4e2d\uff0c\u4e0d\u540c\u7684 Xml \u6620\u5c04\u6587\u4ef6\uff0cid \u662f\u5426\u53ef\u4ee5\u91cd\u590d\uff1f"},"content":{"rendered":"<p>\u5728 MyBatis \u4e2d\uff0c<strong>\u4e0d\u540c\u7684 XML \u6620\u5c04\u6587\u4ef6\u4e2d\uff0cid \u53ef\u4ee5\u91cd\u590d<\/strong>\u3002\u6bcf\u4e2a XML \u6620\u5c04\u6587\u4ef6\u4e2d\u7684 <code>&lt;select&gt;<\/code>\u3001<code>&lt;insert&gt;<\/code>\u3001<code>&lt;update&gt;<\/code>\u3001<code>&lt;delete&gt;<\/code> \u7b49 SQL \u8bed\u53e5\uff0c\u5176 id \u5e94\u8be5\u5728\u5f53\u524d\u6587\u4ef6\u4e2d\u4fdd\u6301\u552f\u4e00\u6027\uff0c\u4f46\u4e0d\u540c\u6587\u4ef6\u4e4b\u95f4\u7684 id \u53ef\u4ee5\u91cd\u590d\u3002<\/p>\n<p>\u8fd9\u610f\u5473\u7740\u5728\u4e00\u4e2a Mapper XML \u6587\u4ef6\u4e2d\uff0c\u4e0d\u80fd\u5b58\u5728\u76f8\u540c id \u7684 SQL \u6620\u5c04\uff0c\u56e0\u4e3a MyBatis \u5728\u89e3\u6790 XML \u6620\u5c04\u6587\u4ef6\u65f6\u4f1a\u5c06 id \u4f5c\u4e3a\u6bcf\u4e2a SQL \u8bed\u53e5\u7684\u552f\u4e00\u6807\u8bc6\u3002\u4f46\u662f\uff0c\u5728\u4e0d\u540c\u7684 Mapper XML \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u5b58\u5728\u76f8\u540c id \u7684 SQL \u6620\u5c04\uff0c\u56e0\u4e3a\u5b83\u4eec\u5728\u4e0d\u540c\u7684\u547d\u540d\u7a7a\u95f4\uff08namespace\uff09\u4e0b\uff0cMyBatis \u4f1a\u6839\u636e namespace \u533a\u5206\u4e0d\u540c\u7684 XML \u6620\u5c04\u6587\u4ef6\uff0c\u6240\u4ee5\u4e0d\u4f1a\u51fa\u73b0\u51b2\u7a81\u3002<\/p>\n<h3>\u793a\u4f8b\uff1a<\/h3>\n<p>\u5047\u8bbe\u6709\u4e24\u4e2a\u4e0d\u540c\u7684 Mapper XML \u6587\u4ef6\uff1a<\/p>\n<p><strong>File1.xml<\/strong>\uff1a<\/p>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;mapper namespace=\"com.example.Mapper1\"&gt;\n    &lt;select id=\"getUserById\" resultType=\"User\"&gt;\n        SELECT * FROM users WHERE id = #{id}\n    &lt;\/select&gt;\n&lt;\/mapper&gt;\n<\/code><\/pre>\n<p><strong>File2.xml<\/strong>\uff1a<\/p>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;mapper namespace=\"com.example.Mapper2\"&gt;\n    &lt;select id=\"getUserById\" resultType=\"User\"&gt;\n        SELECT * FROM customers WHERE id = #{id}\n    &lt;\/select&gt;\n&lt;\/mapper&gt;\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>getUserById<\/code> \u662f\u4e24\u4e2a\u4e0d\u540c XML \u6587\u4ef6\u4e2d\u7684 id\uff0c\u4f46\u7531\u4e8e\u5b83\u4eec\u5206\u522b\u4f4d\u4e8e\u4e0d\u540c\u7684 namespace \u4e0b\uff0c\u6240\u4ee5\u4e0d\u4f1a\u5f15\u8d77\u51b2\u7a81\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 MyBatis \u4e2d\uff0c\u4e0d\u540c\u7684 XML \u6620\u5c04\u6587\u4ef6\u4e2d\uff0cid \u53ef\u4ee5\u91cd\u590d\u3002\u6bcf\u4e2a XML \u6620\u5c04\u6587\u4ef6\u4e2d\u7684 &lt;sel [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[113],"tags":[],"class_list":["post-14195","post","type-post","status-publish","format-standard","hentry","category-mybatis"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=14195"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14195\/revisions"}],"predecessor-version":[{"id":14196,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14195\/revisions\/14196"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14195"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}