首先在依赖中加入依赖包:
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.5</version>
</dependency>
然后加入在< build >节点的< plugins >里面加入一个< plugin >:
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.2</version>
<executions>
<execution>
<id>Generate MyBatis Files</id>
<goals>
<goal>generate</goal>
</goals>
<phase>generate</phase>
<configuration>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
</dependency>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.5</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.2</version>
</dependency>
</dependencies>
</plugin>
最后在配置mybatis-generator的配置文件generatorConfig.xml放在resources目录下(默认配置,可修改):
<?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>
<context id="Mysql" targetRuntime="MyBatis3Simple" defaultModelType="flat">
<!--<plugin type="tk.mybatis.mapper.generator.MapperPlugin">-->
<!--<property name="mappers" value="tk.mybatis.mapper.common.Mapper"/>-->
<!--<!– caseSensitive默认false,当数据库表名区分大小写时,可以将该属性设置为true –>-->
<!--<property name="caseSensitive" value="true"/>-->
<!--</plugin>-->
<commentGenerator>
<property name="suppressAllComments" value="true"/>
</commentGenerator>
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="url" --数据库连接url
userId="username" --数据库用户名
password="password"> --数据库密码
</jdbcConnection>
<!--自动生成的实体的存放包路径 -->
<!--targetpackage为生成类的包路径, targetProject为文件存放路径在项目中的位置-->
<javaModelGenerator targetPackage="com.wk.entity.po" targetProject="src/main/java/">
<property name="enableSubPackages" value="true"/>
<property name="trimStrings" value="true"/>
</javaModelGenerator>
<!--自动生成的*Mapper.xml文件存放路径 -->
<sqlMapGenerator targetPackage="mybatis-mapper" targetProject="src/main/resources/">
<property name="enableSubPackages" value="true"/>
</sqlMapGenerator>
<!--自动生成的*Mapper.java存放路径 -->
<javaClientGenerator type="XMLMAPPER" targetPackage="com.wk.entity.dao" targetProject="src/main/java/">
<property name="enableSubPackages" value="true"/>
</javaClientGenerator>
<!-- 要生成的表 -->
<!-- 这里的百分号代表对该数据库中所有的表进行生成 -->
<table tableName="a_innodb_test">
<generatedKey column="id" sqlStatement="Mysql" identity="true"/>
</table>
</context>
</generatorConfiguration>