java自动生成实体类(带注释)和controller层，service层 dao层 xml层

首先在pom文件里面添加需要的版本依赖

<dependency>
           <groupId>com.baomidou</groupId>
           <artifactId>mybatis-plus</artifactId>
           <version>3.0.3</version>
       </dependency>
       <dependency>
           <groupId>com.baomidou</groupId>
           <artifactId>mybatisplus-spring-boot-starter</artifactId>
           <version>1.0.5</version>
       </dependency>
       <dependency>
           <groupId>com.baomidou</groupId>
           <artifactId>mybatis-plus-boot-starter</artifactId>
           <version>3.0.3</version>
       </dependency>
       
<dependency>
<groupId>org.apache.velocity</groupId>
<artifactId>velocity-engine-core</artifactId>
<version>2.0</version>
</dependency>

写一个测试类

package tsm;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.config.DataSourceConfig;
import com.baomidou.mybatisplus.generator.config.GlobalConfig;
import com.baomidou.mybatisplus.generator.config.PackageConfig;
import com.baomidou.mybatisplus.generator.config.StrategyConfig;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;

/**
*
* @ClassName: CodeGeneration
* @Description: 代码生成器
* @author wushunjie
*/
public class CodeGeneration {

/**
*
* @Title: main
* @Description: 生成
* @param args
*/
public static void main(String[] args) {
AutoGenerator mpg = new AutoGenerator();

// 全局配置
GlobalConfig gc = new GlobalConfig();
gc.setOutputDir("E://code");
gc.setFileOverride(true);
gc.setActiveRecord(false);// 不需要ActiveRecord特性的请改为false
gc.setEnableCache(false);// XML 二级缓存
gc.setBaseResultMap(true);// XML ResultMap
gc.setBaseColumnList(false);// XML columList
gc.setAuthor("wsj");// 作者

// 自定义文件命名，注意 %s 会自动填充表实体属性！
gc.setControllerName("%sController");
gc.setServiceName("%sService");
gc.setServiceImplName("%sServiceImpl");
gc.setMapperName("%sMapper");
gc.setXmlName("%sMapper");
mpg.setGlobalConfig(gc);

// 数据源配置
DataSourceConfig dsc = new DataSourceConfig();
dsc.setDbType(DbType.MYSQL);
dsc.setDriverName("com.mysql.jdbc.Driver");
dsc.setUsername("root");
dsc.setPassword("123456");
dsc.setUrl("jdbc:mysql://localhost:3306/gudi?serverTimezone=UTC&useSSL=false&autoReconnect=true&failOverReadOnly=false&tinyInt1isBit=false&useUnicode=true&characterEncoding=utf8");
mpg.setDataSource(dsc);

// 策略配置
StrategyConfig strategy = new StrategyConfig();
       /*
       * strategy.setTablePrefix(new String[] { "sys" });// 此处可以修改为您的表前缀
       */
strategy.setNaming(NamingStrategy.underline_to_camel);// 表名生成策略
strategy.setInclude(new String[] { "sys_user" }); // 需要生成的表
strategy.setSuperServiceClass(null);
strategy.setSuperServiceImplClass(null);
strategy.setSuperMapperClass(null);
mpg.setStrategy(strategy);

// 包配置
PackageConfig pc = new PackageConfig();
pc.setParent("com.mingwen.sys");
pc.setController("controller");
pc.setService("service");
pc.setServiceImpl("serviceImpl");
pc.setMapper("dao");
pc.setEntity("entity");
pc.setXml("sys");
mpg.setPackageInfo(pc);

// 执行生成
mpg.execute();

}

然后main方法运行

java自动生成实体类(带注释)和controller层，service层 dao层 xml层

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