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>
    <classPathEntry
            location="/Users/liang/maven/repo/mysql/mysql-connector-java/5.1.36/mysql-connector-java-5.1.36.jar"/>
    <context id="my" targetRuntime="MyBatis3">
        <commentGenerator>
            <property name="suppressDate" value="false"/>
            <property name="suppressAllComments" value="true"/>
        </commentGenerator>

        <jdbcConnection driverClass="com.mysql.jdbc.Driver"
                        connectionURL="jdbc:mysql://localhost:3306/springboot?useUnicode=true&amp;characterEncoding=utf-8" userId="root"
                        password="root"/>

        <javaModelGenerator targetPackage="com.yl.springboot.domain"
                            targetProject="/Users/liang/IdeaProjects/springboot/src/main/java">
            <property name="enableSubPackages" value="true"/>
            <property name="trimStrings" value="true"/>
        </javaModelGenerator>

        <sqlMapGenerator targetPackage="mybatis"
                         targetProject="/Users/liang/IdeaProjects/springboot/src/main/resources">
            <property name="enableSubPackages" value="true"/>
        </sqlMapGenerator>

        <javaClientGenerator targetPackage="com.yl.springboot.mapper"
                             targetProject="/Users/liang/IdeaProjects/springboot/src/main/java" type="XMLMAPPER">
            <property name="enableSubPackages" value="true"/>
        </javaClientGenerator>

        <!--<table tableName="T_FEE_AGTBILL" domainObjectName="FeeAgentBill"
               enableCountByExample="false" enableUpdateByExample="false"
               enableDeleteByExample="false" enableSelectByExample="false"
               selectByExampleQueryId="false"/>-->

        <table tableName="city" domainObjectName="City"
               enableCountByExample="false" enableUpdateByExample="false"
               enableDeleteByExample="false" enableSelectByExample="false"
               selectByExampleQueryId="false">
            <!--<columnRenamingRule searchString="^D_"
                                replaceString=""/>-->
        </table>

    </context>
</generatorConfiguration>