导入依赖

<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<mybatis-plus-boot-starter.version>3.3.1.tmp</mybatis-plus-boot-starter.version>
<mybatis-plus-generator.version>3.3.1.tmp</mybatis-plus-generator.version>
</properties>

<dependencies>
<!--web组件-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--mybatis-plus 依赖-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>${mybatis-plus-boot-starter.version}</version>
</dependency>
<!--mybatis-plus 代码生成器-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-generator</artifactId>
<version>${mybatis-plus-generator.version}</version>
</dependency>
<!--freemarker 依赖-->
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
</dependency>
<!--mysql 依赖 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
</dependencies>


Java代码

package cn.dafran.generator;

import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.*;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

/**
* @Classname CodeGenerator
* @Author 6b92d6
* @Description 代码生成器
*/
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"+tip+":");
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 mpg = new AutoGenerator();

// 全局配置
GlobalConfig gc = new GlobalConfig();
String projectPath = System.getProperty("user.dir");
gc.setOutputDir(projectPath + "/src/main/java");
//作者
gc.setAuthor("6b92d6");
//打开输入目录
gc.setOpen(false);
//xml开启BaseResultMap
gc.setBaseResultMap(true);
//xml开启BaseColumnList
gc.setBaseColumnList(true);
//gc.setServiceName("%sService");
//实体属性 Swagger2 注解
gc.setSwagger2(true);
mpg.setGlobalConfig(gc);

// 数据源配置
DataSourceConfig dsc = new DataSourceConfig();
dsc.setUrl("jdbc:mysql://localhost:3306/basic?useUnicode=true&useSSL=false&characterEncoding=utf-8&serverTimezone=GMT%2B8");
dsc.setDriverName("com.mysql.cj.jdbc.Driver");
dsc.setUsername("root");
dsc.setPassword("root");
mpg.setDataSource(dsc);


// 包配置
PackageConfig pc = new PackageConfig();
//  pc.setModuleName(scanner("模块名"));
pc.setModuleName(null);
pc.setParent("cn.dafran")
                .setEntity("pojo")
                .setMapper("mapper")
                .setService("service")
                .setServiceImpl("service.impl")
                .setController("controller");
mpg.setPackageInfo(pc);


// 自定义配置
InjectionConfig cfg = new InjectionConfig() {
@Override
public void initMap() {
// to do nothing
            }
        };

// 如果模板引擎是 freemarker
String templatePath = "/templates/mapper.xml.ftl";
/*// 如果模板引擎是 velocity
String templatePath = "/templates/mapper.xml.vm";*/

// 自定义输出配置
List<FileOutConfig> focList = new ArrayList<>();
// 自定义配置会被优先输出
focList.add(new FileOutConfig(templatePath) {
@Override
public String outputFile(TableInfo tableInfo) {
// 自定义输出文件名 ， 如果你 Entity 设置了前后缀、此处注意 xml 的名称会跟着发生变化！！
return projectPath + "/src/main/resources/mapper/"
+ "/" + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
            }
        });
cfg.setFileOutConfigList(focList);
mpg.setCfg(cfg);

// 配置模板
TemplateConfig templateConfig = new TemplateConfig();

templateConfig.setXml(null);
mpg.setTemplate(templateConfig);

// 策略配置
StrategyConfig strategy = new StrategyConfig();
//数据库表映射到实体的命名策略
strategy.setNaming(NamingStrategy.underline_to_camel);
//数据库表字段映射到实体的命名策略
strategy.setColumnNaming(NamingStrategy.underline_to_camel);
//lombok模型
strategy.setEntityLombokModel(true);
//设置@RestController 控制器
strategy.setRestControllerStyle(true);
// 写于父类中的公共字段
// strategy.setSuperEntityColumns("id");
strategy.setInclude(scanner("表名，多个英文逗号分割").split(","));
strategy.setControllerMappingHyphenStyle(true);
//表前缀
strategy.setTablePrefix("t_");
mpg.setStrategy(strategy);
mpg.setTemplateEngine(new FreemarkerTemplateEngine());
mpg.execute();
    }
}