第一步:生成maven项目
第二步:在pom.xml中添加jdbc连接依赖包和mybatis生成实体类的依赖包,
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.2</version>
</dependency>
第三步:新建生成代码的配置文件
<?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="D:\repo\mavenRepository\mysql\mysql-connector-java\5.1.40\mysql-connector-java-5.1.40.jar" />
<context id="mysql2Beans" targetRuntime="MyBatis3">
<commentGenerator>
<property name="suppressAllComments" value="false" />
<property name="suppressDate" value="true" />
</commentGenerator>
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="你的数据库连接信息"
userId="数据库用户名" password="数据库用户对应密码" />
<javaTypeResolver>
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<javaModelGenerator targetPackage="fkor.blog.model"
targetProject="E:\ConvertBean">
<property name="enableSubPackages" value="true" />
<property name="trimStrings" value="true" />
</javaModelGenerator>
<sqlMapGenerator targetPackage="fkor.blog.mapper"
targetProject="E:\ConvertBean">
<property name="enableSubPackages" value="true" />
</sqlMapGenerator>
<javaClientGenerator targetPackage="fkor.blog.dao"
targetProject="E:\ConvertBean" type="XMLMAPPER">
<property name="enableSubPackages" value="true" />
</javaClientGenerator>
</context>
</generatorConfiguration>
配置文件放置的位置

注意:名字需要命名为generator.xml
第四步:建立启动类
public class App {
public static void main(String[] args) {
args = new String[] { "-configfile", "src\\main\\resources\\generator.xml", "-overwrite" };
ShellRunner.main(args);
}
}
启动APP类即可完成实体类的自动生成拉~快行动起来吧