generatorConfig.xml

<?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>
    <!--targetRuntime设置成MyBatis3Simpl是简洁版，MyBatis3是多功能版-->

    <context id="DB2Tables" targetRuntime="MyBatis3">
        <commentGenerator>
            <property name="suppressAllComments" value="true"/>
        </commentGenerator>

        <!--mysql连接驱动-->
        <jdbcConnection driverClass="com.mysql.jdbc.Driver"
                        connectionURL="jdbc:mysql://localhost:3306/ssm_crud?characterEncoding=utf-8&amp;useSSL=false"
                        userId="root"
                        password="123456">
        </jdbcConnection>
        <!--映射文件的地址，根据项目的包自己调整-->
        <javaModelGenerator targetPackage="com.xiaohuang.model"
                            targetProject="./src/main/java">
            <!--是否可用子包,-->
            <property name="enableSubPackages" value="true" />
            <property name="trimStrings" value="true" />
        </javaModelGenerator>
        <!--sql映射文件的生成策略-->
        <sqlMapGenerator targetPackage="com.xiaohuang.dao"
                         targetProject="./src/main/resources">
            <property name="enableSubPackages" value="true" />
        </sqlMapGenerator>
        <!--mapper接口的生成策略-->
        <javaClientGenerator type="XMLMAPPER"
                             targetPackage="com.xiaohuang.dao"
                             implementationPackage="com.xiaohuang.dao.impl"
                             targetProject="./src/main/java">
            <property name="enableSubPackages" value="true" />
        </javaClientGenerator>

        <!--tableName:映射的表名，domainObjectName:实体类名称，catalog:数据库名（可有可无）-->
        <table tableName="emp" domainObjectName="Employee"/>
        <table tableName="dept" domainObjectName="Dept"/>
               <!--table的设置选项enableCountByExample="false" enableUpdateByExample="false"
               enableDeleteByExample="false" enableSelectByExample="false"
               selectByExampleQueryId="false">-->

        <!--<commentGenerator>
            <property name="suppressAllComments" value="true" />
            <property name="suppressDate" value="true" />
        </commentGenerator>
        <javaTypeResolver>
            <property name="forceBigDecimals" value="false" />
        </javaTypeResolver>-->
    </context>
</generatorConfiguration>