{"id":3868,"date":"2024-03-13T07:37:08","date_gmt":"2024-03-13T07:37:08","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-use-mybatis-extension-plugins\/"},"modified":"2025-07-30T22:10:47","modified_gmt":"2025-07-30T22:10:47","slug":"how-to-use-mybatis-extension-plugins","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-use-mybatis-extension-plugins\/","title":{"rendered":"MyBatis Extension Plugins Guide"},"content":{"rendered":"<p>The MyBatis extension plugin can be used to extend the functionality of MyBatis, such as custom type handlers, interceptors, generators, etc. The steps for using the MyBatis extension plugin are as follows:<\/p>\n<ol>\n<li>Create a class that implements the corresponding interface, for example, a custom type handler should implement the TypeHandler interface, and an interceptor should implement the Interceptor interface.<\/li>\n<li>Configure a plugin in the MyBatis configuration file by adding the plugin&#8217;s configuration within the <plugins> tag and specifying the full class name of the plugin.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">plugins<\/span>&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">plugin<\/span> <span class=\"hljs-attr\">interceptor<\/span>=<span class=\"hljs-string\">\"com.example.MyPlugin\"<\/span>\/&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">plugins<\/span>&gt;<\/span>\r\n<\/code><\/pre>\n<ol>\n<li>If parameters need to be passed, appropriate setter methods can be added to the implementation class of the plugin and corresponding parameter configurations can be added in the configuration file.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyPlugin<\/span> <span class=\"hljs-keyword\">implements<\/span> <span class=\"hljs-title class_\">Interceptor<\/span> {\r\n    <span class=\"hljs-keyword\">private<\/span> String myParam;\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> Object <span class=\"hljs-title function_\">intercept<\/span><span class=\"hljs-params\">(Invocation invocation)<\/span> <span class=\"hljs-keyword\">throws<\/span> Throwable {\r\n        <span class=\"hljs-comment\">\/\/ \u63d2\u4ef6\u903b\u8f91<\/span>\r\n        <span class=\"hljs-keyword\">return<\/span> invocation.proceed();\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> Object <span class=\"hljs-title function_\">plugin<\/span><span class=\"hljs-params\">(Object target)<\/span> {\r\n        <span class=\"hljs-keyword\">return<\/span> Plugin.wrap(target, <span class=\"hljs-built_in\">this<\/span>);\r\n    }\r\n\r\n    <span class=\"hljs-meta\">@Override<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">setProperties<\/span><span class=\"hljs-params\">(Properties properties)<\/span> {\r\n        <span class=\"hljs-built_in\">this<\/span>.myParam = properties.getProperty(<span class=\"hljs-string\">\"myParam\"<\/span>);\r\n    }\r\n}\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">plugins<\/span>&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">plugin<\/span> <span class=\"hljs-attr\">interceptor<\/span>=<span class=\"hljs-string\">\"com.example.MyPlugin\"<\/span>&gt;<\/span>\r\n        <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">property<\/span> <span class=\"hljs-attr\">name<\/span>=<span class=\"hljs-string\">\"myParam\"<\/span> <span class=\"hljs-attr\">value<\/span>=<span class=\"hljs-string\">\"myValue\"<\/span>\/&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">plugin<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">plugins<\/span>&gt;<\/span>\r\n<\/code><\/pre>\n<ol>\n<li>Load the configuration file with MyBatis&#8217;s SqlSessionFactoryBuilder to create a SqlSessionFactory.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">resource<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"mybatis-config.xml\"<\/span>;\r\n<span class=\"hljs-type\">InputStream<\/span> <span class=\"hljs-variable\">inputStream<\/span> <span class=\"hljs-operator\">=<\/span> Resources.getResourceAsStream(resource);\r\n<span class=\"hljs-type\">SqlSessionFactory<\/span> <span class=\"hljs-variable\">sqlSessionFactory<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">SqlSessionFactoryBuilder<\/span>().build(inputStream);\r\n<\/code><\/pre>\n<ol>\n<li>Create a SqlSession using SqlSessionFactory and perform the corresponding operations.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">try<\/span> (<span class=\"hljs-type\">SqlSession<\/span> <span class=\"hljs-variable\">sqlSession<\/span> <span class=\"hljs-operator\">=<\/span> sqlSessionFactory.openSession()) {\r\n    <span class=\"hljs-comment\">\/\/ \u6267\u884c\u64cd\u4f5c<\/span>\r\n}\r\n<\/code><\/pre>\n<p>By following the above steps, you can create a custom MyBatis extension plugin and utilize it in your project to enhance MyBatis functionality.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The MyBatis extension plugin can be used to extend the functionality of MyBatis, such as custom type handlers, interceptors, generators, etc. The steps for using the MyBatis extension plugin are as follows: Create a class that implements the corresponding interface, for example, a custom type handler should implement the TypeHandler interface, and an interceptor should [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[2795,2311,2797,1459,2796],"class_list":["post-3868","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-extension-plugins","tag-interceptors","tag-java-orm","tag-mybatis","tag-type-handlers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MyBatis Extension Plugins Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to use MyBatis extension plugins to enhance functionality. 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