1. pom.xml导入mybatis、mybatis-generator-core、以及MySQL驱动包。
<dependencies>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.6</version>
</dependency>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.5</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.46</version>
</dependency>
</dependencies>
2,在项目根目录下添加一个mybatis-generator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>
<!-- 指定驱动包 -->
<classPathEntry location="C:\Users\mysql-connector-java-5.1.43.jar" />
<context id="DB2Tables" targetRuntime="MyBatis3">
<!-- 指定连接参数 -->
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://localhost:3306/****" <!--设置数据库-->
userId="root"
password="11111111">
</jdbcConnection>
<!-- 指定entity类位置 -->
<javaModelGenerator targetPackage="ovls.entity" targetProject=".\src\main\java">
<property name="enableSubPackages" value="true" />
<property name="trimStrings" value="true" />
</javaModelGenerator>
<!-- 指定sql xml位置 -->
<sqlMapGenerator targetPackage="sql" targetProject=".\src\main\resources">
<property name="enableSubPackages" value="true" />
</sqlMapGenerator>
<!-- 指定Mapper接口位置 -->
<javaClientGenerator type="ANNOTATEDMAPPER" targetPackage="***.dao" targetProject=".\src\main\java">
<property name="enableSubPackages" value="true" />
</javaClientGenerator>
<!-- 指定根据数据哪些表生成上面元素 -->
<table tableName="%" enableCountByExample="false"
enableDeleteByExample="false" enableSelectByExample="false"
enableUpdateByExample="false">
</table>
</context>
</generatorConfiguration>
3,加载相关配置文件执行生成
public class RunMyBatisGenerator {
public static void main(String[] args) throws Exception{
List<String> warnings = new ArrayList<String>();
boolean overwrite = true;
File configFile = new File("mbg.xml");//第二步设置的配件名称
ConfigurationParser cp = new ConfigurationParser(warnings);
Configuration config = cp.parseConfiguration(configFile);
DefaultShellCallback callback = new DefaultShellCallback(overwrite);
MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
myBatisGenerator.generate(null);
}
}
运行该类,OK。