first

src/main/resources/mybatis-config.xml

@@ -2,8 +2,11 @@
 <!DOCTYPE configuration
         PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-config.dtd">
+
 <configuration>
+
     <environments default="dev">
+
         <environment id="dev">
             <transactionManager type="JDBC"/>
             <dataSource type="POOLED">
@@ -13,11 +16,13 @@
                 <property name="password" value="123456"/>
             </dataSource>
         </environment>
+
     </environments>
 
-   <mappers>
-       <mapper resource="mapper/UserMapper.xml"/>
-   </mappers>
+    <mappers>
+        <mapper resource="mapper/UserMapper.xml"/>
+    </mappers>
 
 </configuration>
-<!--Mybatis核心配置文件-->
+
+