Maven 项目中使用mybatis-generator生成代码

<?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">
<!-- mybatis-generator的核心配置文件 -->
<generatorConfiguration>
  <!-- 数据库驱动位置 -->
  <classPathEntry location="D:\maven_repository\mysql\mysql-connector-java\5.1.41\mysql-connector-java-5.1.41.jar" />
 
  <context id="DB2Tables" targetRuntime="MyBatis3">
    <jdbcConnection driverClass="com.mysql.jdbc.Driver"
        connectionURL="jdbc:mysql://127.0.0.1:3306/empguid"
        userId="root"
        password="root">
    </jdbcConnection>

    <!--指定生成的类型为java类型，避免数据库中number等类型字段 -->
    <javaTypeResolver >
      <property name="forceBigDecimals" value="false" />
    </javaTypeResolver>

    <!--自动生成的实体的存放包路径 -->
    <javaModelGenerator targetPackage="com.heaven.bean" targetProject="./src/main/java">
      <property name="enableSubPackages" value="true" />
      <property name="trimStrings" value="true" />
    </javaModelGenerator>

    <!--自动生成的*Mapper.xml文件存放路径 -->
    <sqlMapGenerator targetPackage="mapper"  targetProject="./src/main/resources">
      <property name="enableSubPackages" value="true" />
    </sqlMapGenerator>
    <!--自动生成的*Mapper.java存放路径 -->
    <javaClientGenerator type="XMLMAPPER" targetPackage="com.heaven.dao"  targetProject="./src/main/java">
      <property name="enableSubPackages" value="true" />
    </javaClientGenerator>
    <!-- 映射配置--> 
    <table tableName="announcement" domainObjectName="Announcement" ></table>
    <table tableName="recruit" domainObjectName="Recruit" ></table>
    <table tableName="user" domainObjectName="User" ></table>
  </context>
</generatorConfiguration>

　　<build>
        <plugins>
            <plugin>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-maven-plugin</artifactId>
                <version>1.3.5</version>
            </plugin>
        </plugins>
    </build>