pom配置

<dependency>

        <groupId>org.mybatis.generator

        <artifactId>mybatis-generator-core

        <version>1.3.7</version>

</dependency>

<plugin>

    <groupId>org.mybatis.generator</groupId>

    <artifactId>mybatis-generator-maven-plugin</artifactId>

    <version>1.3.7</version>

<configuration>

    <verbose>true</verbose>

    <overwrite>true</overwrite>

</configuration>

</plugin>

generatorConfig.xml配置

<?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">

-->

<classPathEntry location="D:\maven_repository\mysql\mysql-connector-java\8.0.11\mysql-connector-java-8.0.11.jar" />

<context id="msqlTables" targetRuntime="MyBatis3">

    <plugin type="org.mybatis.generator.plugins.SerializablePlugin">

            driverClass="com.mysql.cj.jdbc.Driver"

            connectionURL="jdbc:mysql://127.0.1:3306/tongji"

            userId="xxx"

            password="xxx">

        <property name="forceBigDecimals" value="false" />

    <javaModelGenerator targetPackage="存放实体类的包名" targetProject="./src/main/java">

        <property name="enableSubPackages" value="true"/>

        <!-- 是否对model添加 构造函数 -->

        <property name="constructorBased" value="true"/>

        <!-- 从数据库返回的值被清理前后的空格  -->

        <property name="trimStrings" value="true" />

    <sqlMapGenerator targetPackage="mappers.csrrg" targetProject="./src/main/resources">

        <property name="enableSubPackages" value="true"/>

    <javaClientGenerator type="XMLMAPPER" targetPackage="存放mapper接口的包名" targetProject="./src/main/java">

        <property name="enableSubPackages" value="true"/>

    <!--数据库表-->

    <table tableName="表名" domainObjectName="实体类的别名"

          enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false"

          enableSelectByExample="false" selectByExampleQueryId="false" >

        <property name="useActualColumnNames" value="false"/>

</generatorConfiguration>

运行maven plugins 中的mybatis-generator