1 在resources文件夹下创建generatorConfig.xml文件来做相关配置
<?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> <!--本机数据库驱动jar包存放目录--> <classPathEntry location="E:\maven\repository\mysql\mysql-connector-java\5.1.46\mysql-connector-java-5.1.46.jar"/> <context id="DB2Tables" targetRuntime="MyBatis3"> <commentGenerator> <property name="suppressDate" value="true"/> <property name="suppressAllComments" value="true"/> </commentGenerator> <!--数据库驱动,数据库地址及表名,账号,密码--> <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/test" userId="root" password="12345"> </jdbcConnection> <javaTypeResolver> <property name="forceBigDecimals" value="false"/> </javaTypeResolver> <!--生成Model类的包名及存放位置--> <javaModelGenerator targetPackage="com.fykj.test.domain" targetProject="src/main/java"> <property name="enableSubPackages" value="true"/> <property name="trimStrings" value="true"/> </javaModelGenerator> <!--生成映射文件的包名及存放位置--> <sqlMapGenerator targetPackage="com.fykj.test.mapper" targetProject="src/main/java"> <property name="enableSubPackages" value="true"/> </sqlMapGenerator> <!--生成Dao类的包名及存放位置--> <javaClientGenerator type="XMLMAPPER" targetPackage="com.fykj.test.dao" targetProject="src/main/java"> <property name="enableSubPackages" value="true"/> </javaClientGenerator> <!--生成对应表及类名,domainObjectName是设置实体类的名字的--> <table tableName="user" domainObjectName="User" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table> </context>
2 在pom.xml中添加相应的依赖和插件
依赖: <!--mybatis-generator核心包--> <dependency> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-core</artifactId> <version>1.3.2</version> </dependency> 插件: <plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.3.2</version> <configuration> <!--配置文件的位置--> <configurationFile>src/main/resources/generatorConfig.xml</configurationFile> <verbose>true</verbose> <overwrite>true</overwrite> </configuration> <executions> <execution> <id>Generate MyBatis Artifacts</id> <goals> <goal>generate</goal> </goals> </execution> </executions> </plugin>
3 如果在ecplise中使用,则右击工程,maven build,添加命令mybatis-generator:generate,代码生成完毕!
如果在idea中 如下图:
运行此命令即可。
附:项目结构图