{"id":5848,"date":"2024-04-16T00:47:40","date_gmt":"2024-04-15T16:47:40","guid":{"rendered":"http:\/\/zyg.luchers.cn\/?p=5848"},"modified":"2024-04-16T00:47:40","modified_gmt":"2024-04-15T16:47:40","slug":"%e4%ba%8c%e3%80%81ssm%e6%95%b4%e5%90%88%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"http:\/\/zyg.luchers.cn\/index.php\/2024\/04\/16\/%e4%ba%8c%e3%80%81ssm%e6%95%b4%e5%90%88%e9%85%8d%e7%bd%ae\/","title":{"rendered":"\u4e8c\u3001SSM\u6574\u5408\u914d\u7f6e"},"content":{"rendered":"<h1>\u4e8c\u3001SSM\u6574\u5408\u914d\u7f6e<\/h1>\n<h2>1\u3001config\u914d\u7f6e<\/h2>\n<h3>1\u3001WebMvcJavaConfig\u914d\u7f6e\u7c7b<\/h3>\n<h4>1\u3001\u6211\u4eec\u5728\u63a7\u5236\u5c42\u6240\u9700\u8981\u914d\u7f6e\u7684\u7c7b\u6709<\/h4>\n<ul>\n<li>1\u3001controller<\/li>\n<li>2\u3001handlerAdapter\u3001handlerMapping<\/li>\n<li>3\u3001\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668<\/li>\n<li>4\u3001\u9759\u6001\u8d44\u6e90\u5904\u7406\u5668<\/li>\n<li>5\u3001\u62e6\u622a\u5668<\/li>\n<li>6\u3001jsp\u89c6\u56fe\u89e3\u6790\u5668\u7684\u524d\u540e\u7f00<\/li>\n<li>7\u3001json\u8f6c\u6362\u5668<\/li>\n<\/ul>\n<h4>2\u3001\u8981\u7528\u5230\u7684\u6ce8\u89e3<\/h4>\n<ul>\n<li>@RestController = @Controller + @ResponseBody<\/li>\n<li>@EnableWebMvc = 2+7<\/li>\n<li>@Configuration \/\/\u914d\u7f6e\u7c7b<\/li>\n<li>@ComponentScan({&quot;com.atguigu.controller&quot; ,&quot;com.atguigu.exceptionHandler&quot;}) \/\/\u81ea\u52a8\u626b\u63cf<\/li>\n<\/ul>\n<h4>3\u3001\u8865\u5145<\/h4>\n<p>1\u3001\u6211\u4eec\u5728\u5199\u8fd9\u4e2a\u914d\u7f6e\u7c7b\u7684\u65f6\u5019\uff0c\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u63a5\u53e3<\/p>\n<p>2\u3001\u8fd9\u4e2a\u63a5\u53e3\u6709\u5f88\u591a\u76f8\u5173\u914d\u7f6e\u7c7b\u7684\u501f\u53e3\u65b9\u6cd5<\/p>\n<p>3\u3001\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3:WebMvcConfigurer<\/p>\n<h4>4\u3001\u4f8b\u5b50<\/h4>\n<pre><code class=\"language-java\">package com.atguigu.config;\n\nimport org.springframework.context.annotation.ComponentScan;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.web.bind.annotation.RestController;\nimport org.springframework.web.servlet.config.annotation.*;\n\n\/**\n * \u63a7\u5236\u5c42\u7684\u914d\u7f6e\u7c7b\n *      1\u3001controller\n *      2\u3001handlerMapping handlerAdapter\n *      3\u3001\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668\n *      4\u3001\u9759\u6001\u8d44\u6e90\u5904\u7406\n *      5\u3001\u62e6\u622a\u5668\n *      6\u3001jsp\u89c6\u56fe\u89e3\u6790\u5668\u524d\u540e\u7f00\n *      7\u3001json\u8f6c\u5316\u5668\n * @author shkstart\n *\/\n@RestController\n@EnableWebMvc \/\/\u8fd9\u4e2a\u5305\u62ec2\u30017\n@Configuration\n@ComponentScan({&quot;com.atguigu.controller&quot; ,&quot;com.atguigu.exceptionHandler&quot;})\npublic class WebMvcJavaConfig  implements WebMvcConfigurer {\n\n\/\/    \u9759\u6001\u8d44\u6e90\u5904\u7406\n    @Override\n    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {\n        configurer.enable();\n    }\n\n\/\/    jsp\u89c6\u56fe\u89e3\u6790\u5668\u524d\u540e\u7f00\n    @Override\n    public void configureViewResolvers(ViewResolverRegistry registry) {\n        registry.jsp(&quot;\/WEB-INF\/views\/&quot;, &quot;.jsp&quot;);\n    }\n\n\/\/    \u62e6\u622a\u5668\n    @Override\n    public void addInterceptors(InterceptorRegistry registry) {\n\/\/        registry.addInterceptor().addPathPatterns().excludePathPatterns()\n    }\n}\n<\/code><\/pre>\n<h3>2\u3001ServiceJavaConfig\u914d\u7f6e\u7c7b<\/h3>\n<h4>1\u3001\u6211\u4eec\u5728service\u5c42\u6240\u9700\u914d\u7f6e\u7c7b<\/h4>\n<p>1\u3001\u5f00\u542faop\u6ce8\u89e3\u7684\u652f\u6301\uff1aaspect\uff1a<\/p>\n<ul>\n<li>@Before <\/li>\n<li>@After <\/li>\n<li>@AfterReturning <\/li>\n<li>@AfterThrowing <\/li>\n<li>@Around <\/li>\n<li>@Aspect <\/li>\n<li>@Order<\/li>\n<\/ul>\n<p>2\u3001\u5f00\u542f\u4e8b\u52a1\u7684\u652f\u6301<\/p>\n<ul>\n<li>@Transactional ;\u5bf9\u5e94\u7684\u4e8b\u52a1\u7ba1\u7406\u5668\u5b9e\u73b0<\/li>\n<\/ul>\n<h4>2\u3001\u6240\u7528\u5230\u7684\u6ce8\u89e3<\/h4>\n<p>1\u3001@EnableAspectJAutoProxy \/\/\u5f00\u542faop\u6ce8\u89e3\u7684\u652f\u6301<\/p>\n<ul>\n<li>\u8fd9\u4e2a\u6ce8\u89e3\u5c31\u53ef\u4ee5\u5f00\u542f\u4ee5\u4e0a\u7684aop\u6ce8\u89e3<\/li>\n<\/ul>\n<p>2\u3001@EnableTransactionManagement<\/p>\n<ul>\n<li>\u8fd9\u4e2a\u5f00\u542f\u4e8b\u52a1\u7684\u652f\u6301<\/li>\n<\/ul>\n<p>3\u3001@Configuration<\/p>\n<ul>\n<li>\u8bbe\u7f6e\u4e3a\u914d\u7f6e\u7c7b<\/li>\n<\/ul>\n<p>4\u3001@ComponentScan(&quot;com.atguigu.service&quot;)<\/p>\n<ul>\n<li>\u8bbe\u7f6e\u626b\u63cf\u7684\u5305<\/li>\n<\/ul>\n<h4>3\u3001\u4f8b\u5b50<\/h4>\n<pre><code class=\"language-java\">package com.atguigu.config;\n\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.ComponentScan;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.context.annotation.EnableAspectJAutoProxy;\nimport org.springframework.jdbc.datasource.DataSourceTransactionManager;\nimport org.springframework.transaction.TransactionManager;\nimport org.springframework.transaction.annotation.EnableTransactionManagement;\n\nimport javax.sql.DataSource;\n\n\/**\n * service\n *  1\u3001\u5f00\u542faop\u6ce8\u89e3\u7684\u652f\u6301\uff1aaspect\uff1a@Before @After @AfterReturning @AfterThrowing @Around @Aspect @Order\n *  2\u3001\u5f00\u542f\u4e8b\u52a1\u7684\u652f\u6301\uff1a@Transactional ;\u5bf9\u5e94\u7684\u4e8b\u52a1\u7ba1\u7406\u5668\u5b9e\u73b0\n *\n *\/\n@Configuration\n@EnableAspectJAutoProxy \/\/\u5f00\u542faop\u6ce8\u89e3\u7684\u652f\u6301\n@EnableTransactionManagement\n@ComponentScan(&quot;com.atguigu.service&quot;)\npublic class ServiceJavaConfig {\n\n    @Bean\n    public TransactionManager transactionManager(DataSource dataSource){\n        DataSourceTransactionManager dataSourceTransactionManager = new DataSourceTransactionManager();\n        dataSourceTransactionManager.setDataSource(dataSource);\n        return  dataSourceTransactionManager;\n    }\n}\n<\/code><\/pre>\n<h3>3\u3001MapperJavaConfig\u914d\u7f6e\u7c7b\uff08\u65b9\u6cd5\u4e00\uff1a\u7528\u914d\u7f6e\u7c7b+xml\uff09<\/h3>\n<h4>1\u3001\u6211\u4eec\u5728\u6301\u4e45\u5c42\u6240\u9700\u8981\u914d\u7f6e\u7684\u7c7b\u6709<\/h4>\n<p>1\u3001\u6570\u636e\u5e93\u8fde\u63a5\u6c60<\/p>\n<p>2\u3001\u628asqlSessionFactory\u52a0\u5165ioc\u5bb9\u5668<\/p>\n<p>3\u3001\u628aMapper\u4ee3\u7406\u7c7b\u52a0\u5165ioc\u5bb9\u5668<\/p>\n<h4>2\u3001\u7528\u5230\u7684\u6ce8\u89e3<\/h4>\n<p>1\u3001@Configuration <\/p>\n<ul>\n<li>\u8bbe\u7f6e\u914d\u7f6e\u7c7b<\/li>\n<\/ul>\n<p>2\u3001@Bean<\/p>\n<ul>\n<li>\u8fd9\u4e2a\u662f\u628a\u5199\u7684\u914d\u7f6e\u65b9\u6cd5\u52a0\u5165ioc\u5bb9\u5668<\/li>\n<\/ul>\n<h4>3\u3001\u8865\u5145<\/h4>\n<p>1\u3001\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u65b9\u6cd5\u4e00\uff1a\u914d\u7f6e\u7c7b+xml\u5916\u90e8\u6587\u4ef6<\/p>\n<p>2\u3001\u5148\u5199\u597dmybatis-config.xml\u6587\u4ef6<\/p>\n<p>3\u3001\u7136\u540e\u5728sqlSessionFactory\u8fdb\u884c\u5f15\u7528\uff0c\u914d\u7f6e\u6570\u636e\u5e93\u7684\u914d\u7f6e\u4fe1\u606f\uff0c\u6307\u5b9a\u6570\u636e\u5e93\u8fde\u63a5\u5bf9\u8c61<\/p>\n<p>4\u3001\u7136\u540e\u5c31\u53ef\u4ee5\u4e86<\/p>\n<h4>4\u3001\u4f8b\u5b50<\/h4>\n<p>1\u3001resources\/mybatis-config.xml<\/p>\n<pre><code class=\"language-xml\">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; ?&gt;\n&lt;!DOCTYPE configuration\n        PUBLIC &quot;-\/\/mybatis.org\/\/DTD Config 3.0\/\/EN&quot;\n        &quot;http:\/\/mybatis.org\/dtd\/mybatis-3-config.dtd&quot;&gt;\n&lt;configuration&gt;\n\n&lt;!--    \u8fd9\u91cc\u4e0d\u5199\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\uff0c\u6211\u4eec\u7528DruidDataSource  \u8fd8\u6709mapper\u7684\u5305\u7684\u6307\u5b9a--&gt;\n\n    &lt;settings&gt;\n        &lt;!-- \u5f00\u542f\u9a7c\u5cf0\u5f0f\u6620\u5c04--&gt;\n        &lt;setting name=&quot;mapUnderscoreToCamelCase&quot; value=&quot;true&quot;\/&gt;\n        &lt;!-- \u5f00\u542flogback\u65e5\u5fd7\u8f93\u51fa--&gt;\n        &lt;setting name=&quot;logImpl&quot; value=&quot;SLF4J&quot;\/&gt;\n        &lt;!--\u5f00\u542fresultMap\u81ea\u52a8\u6620\u5c04 --&gt;\n        &lt;setting name=&quot;autoMappingBehavior&quot; value=&quot;FULL&quot;\/&gt;\n    &lt;\/settings&gt;\n\n    &lt;typeAliases&gt;\n        &lt;!-- \u7ed9\u5b9e\u4f53\u7c7b\u8d77\u522b\u540d --&gt;\n        &lt;package name=&quot;com.atguigu.pojo&quot;\/&gt;\n    &lt;\/typeAliases&gt;\n\n    &lt;plugins&gt;\n        &lt;plugin interceptor=&quot;com.github.pagehelper.PageInterceptor&quot;&gt;\n            &lt;!--\n                helperDialect\uff1a\u5206\u9875\u63d2\u4ef6\u4f1a\u81ea\u52a8\u68c0\u6d4b\u5f53\u524d\u7684\u6570\u636e\u5e93\u94fe\u63a5\uff0c\u81ea\u52a8\u9009\u62e9\u5408\u9002\u7684\u5206\u9875\u65b9\u5f0f\u3002\n                \u4f60\u53ef\u4ee5\u914d\u7f6ehelperDialect\u5c5e\u6027\u6765\u6307\u5b9a\u5206\u9875\u63d2\u4ef6\u4f7f\u7528\u54ea\u79cd\u65b9\u8a00\u3002\u914d\u7f6e\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u7f29\u5199\u503c\uff1a\n                oracle,mysql,mariadb,sqlite,hsqldb,postgresql,db2,sqlserver,informix,h2,sqlserver2012,derby\n                \uff08\u5b8c\u6574\u5185\u5bb9\u770b PageAutoDialect\uff09 \u7279\u522b\u6ce8\u610f\uff1a\u4f7f\u7528 SqlServer2012 \u6570\u636e\u5e93\u65f6\uff0c\n                https:\/\/github.com\/pagehelper\/Mybatis-PageHelper\/blob\/master\/wikis\/zh\/HowToUse.md#%E5%A6%82%E4%BD%95%E9%85%8D%E7%BD%AE%E6%95%B0%E6%8D%AE%E5%BA%93%E6%96%B9%E8%A8%80\n             --&gt;\n            &lt;property name=&quot;helperDialect&quot; value=&quot;mysql&quot;\/&gt;\n        &lt;\/plugin&gt;\n    &lt;\/plugins&gt;\n&lt;\/configuration&gt;<\/code><\/pre>\n<p>2\u3001MapperJavaConfig\u914d\u7f6e\u7c7b<\/p>\n<pre><code class=\"language-java\">package com.atguigu.config;\n\nimport org.mybatis.spring.SqlSessionFactoryBean;\nimport org.mybatis.spring.mapper.MapperScannerConfigurer;\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.context.annotation.PropertySource;\nimport org.springframework.core.io.ClassPathResource;\nimport org.springframework.core.io.Resource;\n\nimport javax.sql.DataSource;\n\n\/**\n * \u6301\u4e45\u5c42\u914d\u7f6e\u7c7b\uff1a\u8fde\u63a5\u6c60\u3001sqlSessionFactory\u3001Mapper\u4ee3\u7406\u5bf9\u8c61\n *\n *  \u65b9\u5f0f\u4e00\uff1a\u4fdd\u7559\u914d\u7f6e\u6587\u4ef6\n *      TODO\uff1a\u95ee\u9898\uff1aBUG dataSource\u548cmybatis\u914d\u7f6e\u5728\u4e00\u8d77\u4f1a\u51fa\u73b0\u95ee\u9898\n *              \u539f\u56e0\uff1amybatis\u7684\u7ec4\u4ef6\u4f18\u5148\u52a0\u8f7d\uff0c@Value\u6ca1\u6709\u8bfb\u53d6\u5230\n *              \u89e3\u51b3\uff1a\u5206\u5f00\u914d\u7f6e\uff0c\u5199\u5230\u4e0d\u540c\u7684\u7c7b\u5c31\u884c\u3002\n *\/\n@Configuration \/\/\u914d\u7f6e\u7c7b\npublic class MapperJavaConfig {\n\n    \/\/    sqlSessionFactory\u52a0\u5165ioc\u5bb9\u5668\n    @Bean\n    public SqlSessionFactoryBean sqlSessionFactory(DataSource dataSource){\n        SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();\n\/\/        \u6307\u5b9a\u914d\u7f6e\u6587\u4ef6\u7b49\u4fe1\u606f\n\/\/        \u6307\u5b9a\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u5bf9\u8c61\n        sqlSessionFactoryBean.setDataSource(dataSource);\n\/\/        \u6307\u5b9a\u5916\u90e8\u7684mybatis\u6587\u4ef6\n\/\/        Resource\u662fspring.core\u7684\u5305\n        Resource resource = new ClassPathResource(&quot;mybatis-config.xml&quot;);\n        sqlSessionFactoryBean.setConfigLocation(resource);\n        return  sqlSessionFactoryBean;\n    }\n\n\/\/    Mapper\u4ee3\u7406\u5bf9\u8c61\u52a0\u5165ioc\u5bb9\u5668\n    @Bean\n    public MapperScannerConfigurer mapperScannerConfigurer(){\n        MapperScannerConfigurer mapperScannerConfigurer = new MapperScannerConfigurer();\n\/\/        \u6307\u5b9aMapper\u63a5\u53e3\u7684\u5305\n        mapperScannerConfigurer.setBasePackage(&quot;com.atguigu.mapper&quot;);\n        return  mapperScannerConfigurer;\n    }\n\n}\n<\/code><\/pre>\n<h3>4\u3001MapperJavaConfig\u914d\u7f6e\u7c7b\uff08\u65b9\u6cd5\u4e8c\uff1a\u5b8c\u5168\u4f7f\u7528\u914d\u7f6e\u7c7b\uff09<\/h3>\n<h4>1\u3001\u6211\u4eec\u5728\u6301\u4e45\u5c42\u6240\u9700\u8981\u914d\u7f6e\u7684\u7c7b\u6709<\/h4>\n<p>1\u3001\u6570\u636e\u5e93\u8fde\u63a5\u6c60<\/p>\n<p>2\u3001\u628asqlSessionFactory\u52a0\u5165ioc\u5bb9\u5668<\/p>\n<p>3\u3001\u628aMapper\u4ee3\u7406\u7c7b\u52a0\u5165ioc\u5bb9\u5668<\/p>\n<h4>2\u3001\u7528\u5230\u7684\u6ce8\u89e3<\/h4>\n<p>1\u3001@Configuration <\/p>\n<ul>\n<li>\u8bbe\u7f6e\u914d\u7f6e\u7c7b<\/li>\n<\/ul>\n<p>2\u3001@Bean<\/p>\n<ul>\n<li>\u8fd9\u4e2a\u662f\u628a\u5199\u7684\u914d\u7f6e\u65b9\u6cd5\u52a0\u5165ioc\u5bb9\u5668<\/li>\n<\/ul>\n<h4>3\u3001\u8865\u5145<\/h4>\n<p>1\u3001\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u65b9\u6cd5\u4e8c\uff1a\u5b8c\u5168\u914d\u7f6e\u7c7b<\/p>\n<p>2\u3001\u5b8c\u5168\u5728sqlSessionFactory\u8fdb\u884c\u5f15\u7528\uff0c\u914d\u7f6e\u6570\u636e\u5e93\u7684\u914d\u7f6e\u4fe1\u606f\uff0c\u6307\u5b9a\u6570\u636e\u5e93\u8fde\u63a5\u5bf9\u8c61\uff0c\u7b49\u4fe1\u606f\u3002\uff08\u4f8b\u5982\uff1a\u9a7c\u5cf0\u6620\u5c04\u3001\u65e5\u5fd7\u8f93\u51fa\u3001\u522b\u540d\u3001\u5176\u4ed6\u63d2\u4ef6\u5565\u7684\uff09<\/p>\n<p>4\u3001\u7136\u540e\u5c31\u53ef\u4ee5\u4e86<\/p>\n<h4>4\u3001\u4f8b\u5b50<\/h4>\n<p>1\u3001MapperJavaConfigNew.java\u914d\u7f6e\u7c7b<\/p>\n<pre><code class=\"language-java\">package com.atguigu.config;\n\nimport com.github.pagehelper.PageInterceptor;\nimport org.apache.ibatis.logging.slf4j.Slf4jImpl;\nimport org.apache.ibatis.session.AutoMappingBehavior;\nimport org.mybatis.spring.SqlSessionFactoryBean;\nimport org.mybatis.spring.mapper.MapperScannerConfigurer;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.core.io.ClassPathResource;\nimport org.springframework.core.io.Resource;\n\nimport javax.sql.DataSource;\nimport java.util.Properties;\n\n\/**\n * \u6301\u4e45\u5c42\u914d\u7f6e\u7c7b\uff1a\u8fde\u63a5\u6c60\u3001sqlSessionFactory\u3001Mapper\u4ee3\u7406\u5bf9\u8c61\n *\n *  \u65b9\u5f0f2\uff1a\u4e0d\u4fdd\u7559\u914d\u7f6e\u6587\u4ef6\n *      TODO\uff1a\u95ee\u9898\uff1aBUG dataSource\u548cmybatis\u914d\u7f6e\u5728\u4e00\u8d77\u4f1a\u51fa\u73b0\u95ee\u9898\n *              \u539f\u56e0\uff1amybatis\u7684\u7ec4\u4ef6\u4f18\u5148\u52a0\u8f7d\uff0c@Value\u6ca1\u6709\u8bfb\u53d6\u5230\n *              \u89e3\u51b3\uff1a\u5206\u5f00\u914d\u7f6e\uff0c\u5199\u5230\u4e0d\u540c\u7684\u7c7b\u5c31\u884c\u3002\n *\/\n@Configuration \/\/\u914d\u7f6e\u7c7b\npublic class MapperJavaConfigNew {\n\n    \/\/    sqlSessionFactory\u52a0\u5165ioc\u5bb9\u5668\n    @Bean\n    public SqlSessionFactoryBean sqlSessionFactory(DataSource dataSource){\n        SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();\n\/\/        \u6307\u5b9a\u914d\u7f6e\u6587\u4ef6\u7b49\u4fe1\u606f\n\/\/        \u6307\u5b9a\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u5bf9\u8c61\n        sqlSessionFactoryBean.setDataSource(dataSource);\n\/\/\/\/        \u6307\u5b9a\u5916\u90e8\u7684mybatis\u6587\u4ef6\n\/\/\/\/        Resource\u662fspring.core\u7684\u5305\n\/\/        Resource resource = new ClassPathResource(&quot;mybatis-config.xml&quot;);\n\/\/        sqlSessionFactoryBean.setConfigLocation(resource);\n\n\/\/        \u65b9\u5f0f2\uff1a\u4f7f\u7528java\u7684\u4ee3\u7801\u914d\u7f6e\u7c7b\n        org.apache.ibatis.session.Configuration configuration = new org.apache.ibatis.session.Configuration();\n\/\/        \u2460\u8bbe\u7f6e\u9a7c\u5cf0\u6620\u5c04\n        configuration.setMapUnderscoreToCamelCase(true);\n\/\/        \u2461\u8bbe\u7f6e\u65e5\u5fd7\u8f93\u51fa\n        configuration.setLogImpl(Slf4jImpl.class);\n\/\/        \u2462\u5f00\u542fresultType\u81ea\u52a8\u6620\u5c04\n        configuration.setAutoMappingBehavior(AutoMappingBehavior.FULL);\n\/\/        \u628a\u2460\u3001\u2461\u3001\u2462\u5b58\u5165\u5230sqlSessionFactoryBean\u4e2d\n        sqlSessionFactoryBean.setConfiguration(configuration);\n\n\/\/        \u2463\u522b\u540d\u8bbe\u7f6e\n        sqlSessionFactoryBean.setTypeAliasesPackage(&quot;com.atguigu.pojo&quot;);\n\n\/\/        \u2464\u52a0\u5165\u63d2\u4ef6\uff0c\u5206\u9875\u63d2\u4ef6\n        PageInterceptor pageInterceptor = new PageInterceptor();\n        Properties properties = new Properties();\n\/\/        \u8bbe\u7f6e\u6570\u636e\u5e93\u7c7b\u578b\n        properties.setProperty(&quot;helperDialect&quot;,&quot;mysql&quot;);\n\/\/        \u7ed9pageInterceptor\u8bbe\u7f6e\u6570\u636e\u5e93\u7c7b\u578b\n        pageInterceptor.setProperties(properties);\n\/\/        \u628a\u6dfb\u52a0\u7684\u2464\u63d2\u4ef6\u52a0\u5165\u5230\u5b58\u5165\u5230sqlSessionFactoryBean\u4e2d\n        sqlSessionFactoryBean.addPlugins(pageInterceptor);\n\n        return  sqlSessionFactoryBean;\n    }\n\n\/\/    Mapper\u4ee3\u7406\u5bf9\u8c61\u52a0\u5165ioc\u5bb9\u5668\n    @Bean\n    public MapperScannerConfigurer mapperScannerConfigurer(){\n        MapperScannerConfigurer mapperScannerConfigurer = new MapperScannerConfigurer();\n\n\/\/        \u6307\u5b9aMapper\u63a5\u53e3\u7684\u5305\n        mapperScannerConfigurer.setBasePackage(&quot;com.atguigu.mapper&quot;);\n        return  mapperScannerConfigurer;\n    }\n}<\/code><\/pre>\n<h3>5\u3001\u2757\u2757DataSourceJavaConfig\u914d\u7f6e\u7c7b<\/h3>\n<h4>1\u3001\u6ce8\u610f<\/h4>\n<p>1\u3001\u8fd9\u91cc\u4e3a\u4ec0\u4e48\u4e0d\u548cMapperJavaConfig\u4e00\u8d77\u914d\u7f6e\u5462<\/p>\n<p>2\u3001dataSource\u548cmybatis\u914d\u7f6e\u5728\u4e00\u8d77\u4f1a\u51fa\u73b0\u95ee\u9898<\/p>\n<p>3\u3001\u539f\u56e0\uff1amybatis\u7684\u7ec4\u4ef6\u4f18\u5148\u52a0\u8f7d\uff0c@Value\u6ca1\u6709\u8bfb\u53d6\u5230<\/p>\n<p>4\u3001\u89e3\u51b3\uff1a\u5206\u5f00\u914d\u7f6e\uff0c\u5199\u5230\u4e0d\u540c\u7684\u7c7b\u5c31\u884c\u3002<\/p>\n<h4>2\u3001\u6240\u9700\u8981\u914d\u7f6e\u7684\u7c7b<\/h4>\n<p>1\u3001\u8fde\u63a5\u6c60\u7684\u914d\u7f6e<\/p>\n<h4>3\u3001\u7528\u5230\u7684\u6ce8\u89e3<\/h4>\n<p>1\u3001@Configuration <\/p>\n<ul>\n<li>\u914d\u7f6e\u7c7b<\/li>\n<\/ul>\n<p>2\u3001@PropertySource(&quot;classpath:jdbc.properties&quot;)<\/p>\n<ul>\n<li>\u8fd9\u4e2a\u662f\u5f15\u5165\u5916\u90e8\u7684\u6587\u4ef6\u6ce8\u89e3<\/li>\n<li>\u4e3b\u8981\u662f\u5f15\u5165jdbc.properties\u4e2d\u6570\u636e\u5e93\u4e2d\u7684\uff1a\n<ul>\n<li>user<\/li>\n<li>password<\/li>\n<li>url<\/li>\n<li>driver<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>4\u3001\u4f8b\u5b50<\/h4>\n<p>1\u3001DataSourceJavaConfig.java<\/p>\n<pre><code class=\"language-java\">package com.atguigu.config;\n\nimport com.alibaba.druid.pool.DruidDataSource;\nimport org.mybatis.spring.SqlSessionFactoryBean;\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.context.annotation.PropertySource;\nimport org.springframework.core.io.ClassPathResource;\nimport org.springframework.core.io.Resource;\n\nimport javax.sql.DataSource;\n\n\/**\n * \u8fde\u63a5\u6c60\u7684\u914d\u7f6e\u7c7b\n *\/\n@Configuration \/\/\u914d\u7f6e\u7c7b\n@PropertySource(&quot;classpath:jdbc.properties&quot;) \/\/\u5f15\u5165\u5916\u90e8\u6587\u4ef6\npublic class DataSourceJavaConfig {\n\n    @Value(&quot;${jdbc.user}&quot;)\n    private String user;\n    @Value(&quot;${jdbc.password}&quot;)\n    private String password;\n    @Value(&quot;${jdbc.driver}&quot;)\n    private String driver;\n    @Value(&quot;${jdbc.url}&quot;)\n    private String url;\n\n    @Bean\n    public DataSource dataSource(){\n        DruidDataSource dataSource = new DruidDataSource();\n        dataSource.setPassword(password);\n        dataSource.setUsername(user);\n        dataSource.setDriverClassName(driver);\n        dataSource.setUrl(url);\n        return dataSource;\n    }\n}<\/code><\/pre>\n<h3>6\u3001SpringIoCInit\u521d\u59cb\u5316\u914d\u7f6e\u7c7b<\/h3>\n<p>1\u3001\u8fd9\u4e2a\u914d\u7f6e\u662f\u7528\u6765\u521d\u59cb\u5316Spring<\/p>\n<p>2\u3001\u8981\u7ee7\u627f\u5e76\u5b9e\u73b0AbstractAnnotationConfigDispatcherServletInitializer\u63a5\u53e3<\/p>\n<p>3\u3001\u4ee3\u7801<\/p>\n<pre><code class=\"language-java\">package com.atguigu.config;\n\nimport org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;\n\n\/**\n * spring\u7684\u521d\u59cb\u5316\u7c7b\n *\/\npublic class SpringIoCInit extends AbstractAnnotationConfigDispatcherServletInitializer {\n\n\/\/    root\u5bb9\u5668\u914d\u7f6e\u7c7b\n    @Override\n    protected Class&lt;?&gt;[] getRootConfigClasses() {\n        return new Class[]{DataSourceJavaConfig.class, MapperJavaConfigNew.class, ServiceJavaConfig.class};\n    }\n\/\/   webioc\u5bb9\u5668\u914d\u7f6e\u7c7b\u6307\u5b9a\n    @Override\n    protected Class&lt;?&gt;[] getServletConfigClasses() {\n        return new Class[]{WebMvcJavaConfig.class};\n    }\n\n\/\/    dispatcherServlet\u7684\u62e6\u622a\u8def\u5f84\n    @Override\n    protected String[] getServletMappings() {\n        return new String[]{&quot;\/&quot;};\n    }\n}\n<\/code><\/pre>\n<h3>7\u3001\u5176\u4ed6\u914d\u7f6e\u7c7b\u4fe1\u606f<\/h3>\n<h4>1\u3001\u914d\u7f6ejdbc.properties<\/h4>\n<p>1\u3001\u8981\u8bbe\u7f6e\u5728resources\/jdbc.properties\u4e2d<\/p>\n<p>2\u3001\u4f8b\u5b50<\/p>\n<pre><code class=\"language-properties\">jdbc.user=root\njdbc.password=root\njdbc.url=jdbc:mysql:\/\/\/mybatis-example\njdbc.driver=com.mysql.cj.jdbc.Driver<\/code><\/pre>\n<h4>2\u3001\u914d\u7f6elogback.xml<\/h4>\n<p>1\u3001\u8fd9\u4e2a\u662f\u4e00\u4e2a\u65e5\u5fd7<\/p>\n<p>2\u3001\u6240\u9700\u8981\u7528\u5230\u7684\u6ce8\u89e3\uff1a@Slf4j<\/p>\n<p>3\u3001\u5c31\u662f\u4e00\u4e2a\u65e5\u5fd7\u8f93\u51fa\u3002\u5199\u597d\u914d\u7f6e\u7c7b\uff0c\u5728\u6240\u9700\u8981\u914d\u7f6e\u65e5\u5fd7\u7684\u5730\u65b9\uff0c\u52a0\u4e0a\u6ce8\u89e3\u5c31\u884c<\/p>\n<p>4\u3001\u4ee3\u7801<\/p>\n<pre><code class=\"language-xml\">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;\n&lt;configuration debug=&quot;true&quot;&gt;\n    &lt;!-- \u6307\u5b9a\u65e5\u5fd7\u8f93\u51fa\u7684\u4f4d\u7f6e\uff0cConsoleAppender\u8868\u793a\u8f93\u51fa\u5230\u63a7\u5236\u53f0 --&gt;\n    &lt;appender name=&quot;STDOUT&quot;\n              class=&quot;ch.qos.logback.core.ConsoleAppender&quot;&gt;\n        &lt;encoder&gt;\n            &lt;!-- \u65e5\u5fd7\u8f93\u51fa\u7684\u683c\u5f0f --&gt;\n            &lt;!-- \u6309\u7167\u987a\u5e8f\u5206\u522b\u662f\uff1a\u65f6\u95f4\u3001\u65e5\u5fd7\u7ea7\u522b\u3001\u7ebf\u7a0b\u540d\u79f0\u3001\u6253\u5370\u65e5\u5fd7\u7684\u7c7b\u3001\u65e5\u5fd7\u4e3b\u4f53\u5185\u5bb9\u3001\u6362\u884c --&gt;\n            &lt;pattern&gt;[%d{HH:mm:ss.SSS}] [%-5level] [%thread] [%logger] [%msg]%n&lt;\/pattern&gt;\n            &lt;charset&gt;UTF-8&lt;\/charset&gt;\n        &lt;\/encoder&gt;\n    &lt;\/appender&gt;\n\n    &lt;!-- \u8bbe\u7f6e\u5168\u5c40\u65e5\u5fd7\u7ea7\u522b\u3002\u65e5\u5fd7\u7ea7\u522b\u6309\u987a\u5e8f\u5206\u522b\u662f\uff1aTRACE\u3001DEBUG\u3001INFO\u3001WARN\u3001ERROR --&gt;\n    &lt;!-- \u6307\u5b9a\u4efb\u4f55\u4e00\u4e2a\u65e5\u5fd7\u7ea7\u522b\u90fd\u53ea\u6253\u5370\u5f53\u524d\u7ea7\u522b\u548c\u540e\u9762\u7ea7\u522b\u7684\u65e5\u5fd7\u3002 --&gt;\n    &lt;root level=&quot;DEBUG&quot;&gt;\n        &lt;!-- \u6307\u5b9a\u6253\u5370\u65e5\u5fd7\u7684appender\uff0c\u8fd9\u91cc\u901a\u8fc7\u201cSTDOUT\u201d\u5f15\u7528\u4e86\u524d\u9762\u914d\u7f6e\u7684appender --&gt;\n        &lt;appender-ref ref=&quot;STDOUT&quot; \/&gt;\n    &lt;\/root&gt;\n\n    &lt;!-- \u6839\u636e\u7279\u6b8a\u9700\u6c42\u6307\u5b9a\u5c40\u90e8\u65e5\u5fd7\u7ea7\u522b\uff0c\u53ef\u4e5f\u662f\u5305\u540d\u6216\u5168\u7c7b\u540d\u3002 --&gt;\n    &lt;logger name=&quot;com.atguigu.mybatis&quot; level=&quot;DEBUG&quot; \/&gt;\n\n&lt;\/configuration&gt;<\/code><\/pre>\n<h2>2\u3001\u9879\u76ee\u7ed3\u6784<\/h2>\n<p>1\u3001\u5982\u56fe<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240119004259078.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240119004259078.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20240119004259078\" \/><\/div><\/p>\n<h2>3\u3001\u9047\u5230\u7684\u95ee\u9898BUG<\/h2>\n<h3>1\u3001Caused by: java.io.FileNotFoundException: Could not open ServletContext resource [\/jdbc.properties]<\/h3>\n<h4>1\u3001\u89e3\u51b3<\/h4>\n<p>1\u3001\u5728@PropertySource(&quot;classpath:jdbc.properties&quot;)  \u4e2d\u95f4+classpath:<\/p>\n<p>2\u3001<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240118170614832.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240118170614832.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20240118170614832\" \/><\/div><\/p>\n<h3>2\u3001\u5982\u56fe<\/h3>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240118232236366.png'><img class=\"lazyload lazyload-style-1\" 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