mybatis-plus-generator

<dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.4.2</version>
        </dependency>
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-generator</artifactId>
            <version>3.3.2</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.velocity</groupId>
            <artifactId>velocity-engine-core</artifactId>
            <version>2.2</version>
        </dependency>

package com.sc.generator;

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;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class GeneratorApplication {

    public static void main(String[] args) {
        startGenerator();
        SpringApplication.run(GeneratorApplication.class, args);
    }
    public static void startGenerator() {
        //1、全局配置
        GlobalConfig config = new GlobalConfig();
        String projectPath = System.getProperty("user.dir");
        config.setActiveRecord(true)//开启AR模式
                .setAuthor("zimug")//设置作者
                .setOutputDir(projectPath + "c/main/java")//生成路径(一般在此项目的src/main/java下)
                .setFileOverride(true)//第二次生成会把第一次生成的覆盖掉
                .setOpen(true)//生成完毕后是否自动打开输出目录
                //.setSwagger2(true)//实体属性 Swagger2 注解
                //.setIdType(IdType.AUTO)//主键策略
                .setServiceName("%sService")//生成的service接口名字首字母是否为I，这样设置就没有I
                .setBaseResultMap(true)//生成resultMap
                .setBaseColumnList(true);//在xml中生成基础列
        //2、数据源配置
        DataSourceConfig dataSourceConfig = new DataSourceConfig();
        dataSourceConfig.setDbType(DbType.MYSQL)//数据库类型
                .setDriverName("com.mysql.cj.jdbc.Driver")
                .setUrl("jdbc:mysql://localhost:3306/newtest?serverTimezone=UTC")
                .setUsername("root")
                .setPassword("root");
        //3、策略配置
        StrategyConfig strategyConfig = new StrategyConfig();
        strategyConfig.setCapitalMode(true)//开启全局大写命名
                .setNaming(NamingStrategy.underline_to_camel)//表名映射到实体的命名策略(下划线到驼峰)
                //表字段映射属性名策略(未指定按naming)
                .setColumnNaming(NamingStrategy.underline_to_camel)
                //.setTablePrefix("tb_")//表名前缀
                //.setSuperEntityClass("你自己的父类实体,没有就不用设置!")
                //.setSuperEntityColumns("id");//写于父类中的公共字段
                //.setSuperControllerClass("自定义继承的Controller类全称，带包名,没有就不用设置!")
                .setRestControllerStyle(true) //生成 @RestController 控制器
                .setEntityLombokModel(true)//使用lombok
                .setInclude("test","test2");//逆向工程使用的表
        //4、包名策略配置
        PackageConfig packageConfig = new PackageConfig();
        packageConfig.setParent("com.sc.ge")//设置包名的parent
                .setMapper("mapper")
                .setService("service")
                .setController("controller")
                .setEntity("entity")
                .setXml("mapper");//设置xml文件的目录
        //5、整合配置
        AutoGenerator autoGenerator = new AutoGenerator();
        autoGenerator.setGlobalConfig(config)
                .setDataSource(dataSourceConfig)
                .setStrategy(strategyConfig)
                .setPackageInfo(packageConfig);
        //6、执行
        autoGenerator.execute();
    }
}

 参考 https://www.cnblogs.com/zimug/p/13370107.html