1、構建maven專案，我的專案是在idea上面建立。
2、資料庫表提供：

CREATE TABLE `users` (
  CREATE TABLE `emp` (
  `id` INT(10) NOT NULL,
  `name` VARCHAR(20) DEFAULT NULL,
  `age` INT(3) DEFAULT NULL,
  `depNo` INT(10) DEFAULT NULL,
  `salary` DOUBLE DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8 CHECKSUM=1
 
 DELAY_KEY_WRITE=1 ROW_FORMAT=DYNAMIC

3、generator.properties

jdbc.driverLocation=F:\\JavaNote.ZCH\\tools.java\\mysql-connector-java-5.1.8-bin.jar
# 資料庫連線引數
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8
jdbc.username=root
jdbc.password
 
=root

# 包路徑配置
model.package=com.xsx.test.model
dao.package=com.xsx.test.dao
xml.mapper.package=com.xsx.test.dao

target.project=src/main/java

4、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>
    <!-- 配置檔案路徑 -->
    <properties resource="generator.properties"></properties>

    <!--資料庫驅動包路徑 -->
    <classPathEntry location="${jdbc.driverLocation}"/>

    <context id="MySQLTables" targetRuntime="MyBatis3">
        <!--關閉註釋 -->
        <commentGenerator>
            <property name="suppressDate" value="true"/>
        </commentGenerator>

        <!--資料庫連線資訊 -->
        <jdbcConnection driverClass="${jdbc.driver}" connectionURL="${jdbc.url}" userId="${jdbc.username}"
                        password="${jdbc.password}">
        </jdbcConnection>

        <!--生成的model 包路徑 -->
        <javaModelGenerator targetPackage="${model.package}" targetProject="${target.project}">
            <property name="enableSubPackages" value="ture"/>
            <property name="trimStrings" value="true"/>
        </javaModelGenerator>

        <!--生成xml mapper檔案 路徑 -->
        <sqlMapGenerator targetPackage="${xml.mapper.package}" targetProject="${target.project}">
            <property name="enableSubPackages" value="ture"/>
        </sqlMapGenerator>

        <!-- 生成的Dao介面 的包路徑 -->
        <javaClientGenerator type="XMLMAPPER" targetPackage="${dao.package}" targetProject="${target.project}">
            <property name="enableSubPackages" value="ture"/>
        </javaClientGenerator>

        <!--對應資料庫表名 -->
        <table tableName="emp" enableCountByExample="false"
               enableUpdateByExample="false" enableDeleteByExample="false"
               enableSelectByExample="false" selectByExampleQueryId="false">

        </table>
    </context>
    <!--<commentGenerator>-->
        <!--<property name="suppressDate" value="false"/>-->
    <!--</commentGenerator>-->
</generatorConfiguration>

5、mybatis-generator:generate -e

6、結果