基于Mybatis Plus实现代码生成器CodeGenerator

<dependency>
  <groupId>com.baomidou</groupId>
  <artifactId>mybatis-plus-generator</artifactId>
  <version>3.2.0</version>
</dependency>

<dependency>
  <groupId>org.apache.velocity</groupId>
  <artifactId>velocity-engine-core</artifactId>
  <version>2.1</version>
</dependency>

<dependency>
  <groupId>org.freemarker</groupId>
  <artifactId>freemarker</artifactId>
  <version>2.3.29</version>
</dependency>

<dependency>
  <groupId>com.ibeetl</groupId>
  <artifactId>beetl</artifactId>
  <version>3.0.11.RELEASE</version>
</dependency>

import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
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.apache.commons.lang3.StringUtils;

import java.util.Scanner;

/**
 * @author DaiZhiZhou
 * @file MP-Spring
 * @create 2020-08-06 9:11
 */
public class CodeGenerator {

  /**
   * <p>
   * 读取控制台内容
   * </p>
   */
  public static String scanner(String tip) {
    Scanner scanner = new Scanner(System.in);
    StringBuilder help = new StringBuilder();
    help.append("请输入").append(tip).append("：");
    System.out.println(help.toString());
    if (scanner.hasNext()) {
      String ipt = scanner.next();
      if (StringUtils.isNotEmpty(ipt)) {
        return ipt;
      }
    }
    throw new MybatisPlusException("请输入正确的" + tip + "！");
  }

  public static void main(String[] args) {
    // 代码生成器
    AutoGenerator mybatisPlusCodeGenerator = new AutoGenerator();

    // 全局配置
    GlobalConfig gc = new GlobalConfig();
    
    // 先得到当前工程目录
    String projectPath = System.getProperty("user.dir");
    // 是maven项目的结构，就是工程目录 + /src/main/java
    gc.setOutputDir(projectPath + "/src/main/java");
    
    //gc.setOutputDir("D:\\workspace-sts\\0520adv\\02_mp_springboot/src/main/java");
    
    // 设置生成文件的作者信息
    gc.setAuthor("Echo42");

    //当代码生成完成之后是否打开代码所在的文件夹
    gc.setOpen(true);
    
    // gc.setSwagger2(true); 实体属性 Swagger2 注解
    //gc.setServiceName("%sService");
    
    // 将上述的全局配置注入
    mybatisPlusCodeGenerator.setGlobalConfig(gc);

    // 数据源配置
    DataSourceConfig dataSourceConfiguration = new DataSourceConfig();

    dataSourceConfiguration.setUrl("jdbc:mysql://localhost:3306/oa?useUnicode=true&useSSL=false&characterEncoding=utf8&serverTimezone=UTC");

    // dataSourceConfiguration.setSchemaName("public");
    dataSourceConfiguration.setDriverName("com.mysql.cj.jdbc.Driver");
    dataSourceConfiguration.setUsername("root");
    dataSourceConfiguration.setPassword("123456");

    mybatisPlusCodeGenerator.setDataSource(dataSourceConfiguration);

    // 包配置
    PackageConfig pc = new PackageConfig();

    // 设置父级包名
    pc.setParent("cn.echo42");//controller entity service service.impl

    pc.setModuleName(scanner("模块名"));
    //pc.setModuleName("sys");

    // 实体类名称
    pc.setEntity("domain");

    // mapper包名称
    pc.setMapper("mapper");

    // mapper对应的映射器xml
    pc.setXml("mapper.xml");

    // 业务包层名称
    pc.setService("service");

    // 业务接口的实现类包
    pc.setServiceImpl("service.impl");

    // 控制器包名称
    pc.setController("controller");

    // 装填包信息对象
    mybatisPlusCodeGenerator.setPackageInfo(pc);

    // 策略配置
    StrategyConfig strategy = new StrategyConfig();

    //设置字段和表名的是否把下划线完成驼峰命名规则
    strategy.setNaming(NamingStrategy.underline_to_camel);

    strategy.setColumnNaming(NamingStrategy.underline_to_camel);

    //设置生成的实体类继承的父类
    //strategy.setSuperEntityClass("com.sxt.BaseEntity");

    //是否启动lombok
    strategy.setEntityLombokModel(true);

    //是否生成resetController
    strategy.setRestControllerStyle(true);

    // 公共父类
    //strategy.setSuperControllerClass("com.sxt.BaseController");

    // 写于父类中的公共字段
    //strategy.setSuperEntityColumns("person_id","person_name");

    //要设置生成哪些表 如果不设置就是生成所有的表
    //strategy.setInclude(scanner("表名，多个英文逗号分割").split(","));

    strategy.setControllerMappingHyphenStyle(true);

    //strategy.setTablePrefix(pc.getModuleName() + "_");
    strategy.setTablePrefix("sys_");

    mybatisPlusCodeGenerator.setStrategy(strategy);

    mybatisPlusCodeGenerator.execute();
  }
}