Mybatis generator mapper文件覆盖原文件的示例代码

<?xml version="1.0" encoding="utf-8"?>
<!doctype generatorconfiguration
  public "-//mybatis.org//dtd mybatis generator configuration 1.0//en"
  "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">

<generatorconfiguration>
 <properties resource="generator.properties"/>
 <context id="mysqlcontext" targetruntime="mybatis3" defaultmodeltype="flat">
  <property name="beginningdelimiter" value="`"/>
  <property name="endingdelimiter" value="`"/>
  <property name="javafileencoding" value="utf-8"/>
  <!-- 为模型生成序列化方法-->
  <plugin type="org.mybatis.generator.plugins.serializableplugin"/>
  <!-- 为生成的java模型创建一个tostring方法 -->
  <plugin type="org.mybatis.generator.plugins.tostringplugin"/>
   <!--生成mapper.xml时覆盖原文件-->
  <plugin type="org.mybatis.generator.plugins.unmergeablexmlmappersplugin" />
 
  <!--配置数据库连接-->
  <jdbcconnection driverclass="${jdbc.driverclass}"
      connectionurl="${jdbc.connectionurl}"
      userid="${jdbc.userid}"
      password="${jdbc.password}">
  </jdbcconnection>
  <!--指定生成model的路径-->
  <javamodelgenerator targetpackage="com.sw.model" targetproject="src/main/java"/>
  <!--指定生成mapper.xml的路径-->
  <sqlmapgenerator targetpackage="com.sw.mbg.mapper" targetproject="src/main/resources"/>
  <!--指定生成mapper接口的的路径-->
  <javaclientgenerator type="xmlmapper" targetpackage="com.sw.mbg.mapper"
        targetproject="src/main/java"/>
  <!--生成全部表tablename设为%-->
  <table tablename="user">
   <generatedkey column="id" sqlstatement="mysql" identity="true"/>
  </table>
 </context>
</generatorconfiguration>

<!-- mybatis 生成器 -->
  <dependency>
   <groupid>org.mybatis.generator</groupid>
   <artifactid>mybatis-generator-core</artifactid>
   <!--依赖的版本要在1.3.5以上-->
   <version>1.3.7</version>
  </dependency>