1.在与pom.xml文件同级目录下新建mbg.xml文件,mbg.xml内容如下:
<?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="DB2Tables" targetRuntime="MyBatis3"> <commentGenerator> <!-- 阻止逆向工程在代码中生成注释 --> <property name="suppressAllComments" value="true" /> </commentGenerator> <!-- 配置数据库连接 --> <jdbcConnection driverClass="com.mysql.cj.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/ssmtest?useUnicode=true&characterEncoding=utf-8&serverTimezone=GMT%2B8" userId="root" password="123456"> </jdbcConnection> <javaTypeResolver> <property name="forceBigDecimals" value="false" /> </javaTypeResolver> <!-- 指定pojo生成的位置 --> <javaModelGenerator targetPackage="com.wg.pojo" targetProject=".\src\main\java"> <property name="enableSubPackages" value="true" /> <property name="trimStrings" value="true" /> </javaModelGenerator> <!--指定sql映射文件生成的位置 --> <sqlMapGenerator targetPackage="mapper" targetProject=".\src\main\resources"> <property name="enableSubPackages" value="true" /> </sqlMapGenerator> <!-- 指定dao接口生成的位置,mapper接口 --> <javaClientGenerator type="XMLMAPPER" targetPackage="com.wg.dao" targetProject=".\src\main\java"> <property name="enableSubPackages" value="true" /> </javaClientGenerator> <!-- table指定每个表的生成策略 --> <table tableName="tbl_emp" domainObjectName="Employee"></table> <table tableName="tbl_dept" domainObjectName="Department"></table> </context> </generatorConfiguration>
需要大家修改的地方我已经用红色标志出来了。
2.新建一个class文件Test.java,内容如下:
import java.io.File; import java.util.ArrayList; import java.util.List; import org.mybatis.generator.api.MyBatisGenerator; import org.mybatis.generator.config.Configuration; import org.mybatis.generator.config.xml.ConfigurationParser; import org.mybatis.generator.internal.DefaultShellCallback; public class MBGTest { public static void main(String[] args) throws Exception { List<String> warnings = new ArrayList<String>(); boolean overwrite = true; File configFile = new File("mbg.xml"); 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); } }
执行main函数即可在mbg.xml文件中的路径下创建pojo和mapper文件。
使用过程中有什么问题可以留言,大家一起交流哦!