MybatisPlus MySQL代码自动生成（包含swagger注释）

• 建立数据库、数据表
• 创建springboot mybatis maven项目
• maven依赖pom.xml（并不是全都需要，里面有些不需要的你就去掉就好了，每一个上面的注释是下面这个依赖是干嘛的）

<!-- spring security-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>
        <!-- gprc启动框架 -->
        <dependency>
            <groupId>net.devh</groupId>
            <artifactId>grpc-spring-boot-starter</artifactId>
            <version>2.11.0.RELEASE</version>
        </dependency>
        <!-- jdk8+需要 -->
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.3.0</version>
        </dependency>

        <!-- spring aop -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
        </dependency>
        <!-- lombok -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <!-- mysql-connector-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <!--数据库连接jdbc依赖-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <!-- mybatis的orm插件 -->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.1.1</version>
        </dependency>
        <!--spring web-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!-- springboot devtools-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <!-- spring configuration processor-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>
        <!--springboot test-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <!--springboot elasticsearch-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
        </dependency>
        <!--协程Quasar-->
        <dependency>
            <groupId>co.paralleluniverse</groupId>
            <artifactId>quasar-core</artifactId>
            <version>0.7.10</version>
            <classifier>jdk8</classifier>
        </dependency>
        <!--        七牛云OSS JavaSDK-->
        <dependency>
            <groupId>com.qiniu</groupId>
            <artifactId>qiniu-java-sdk</artifactId>
            <version>7.4.0</version>
        </dependency>
        <!--  -->
        <dependency>
            <groupId>org.bouncycastle</groupId>
            <artifactId>bcprov-jdk15on</artifactId>
            <version>1.66</version>
        </dependency>

        <!--        Swagger2  访问/swagger-ui.html#/-->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.8.0</version>
        </dependency>
        <!--spring fox 其实就是spring-swagger2-->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.8.0</version>
        </dependency>
        <!--引入ui包 bootstrap ui美化的 访问/doc.html-->
        <dependency>
            <groupId>com.github.xiaoymin</groupId>
            <artifactId>swagger-bootstrap-ui</artifactId>
            <version>1.9.3</version>
        </dependency>

        <!--        fast json-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.47</version>
        </dependency>
        <!--        redis-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
        <!--文件上传和下载-->
        <!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload -->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.4</version>
        </dependency>
        <!--阿里druid数据库链接依赖-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.9</version>
        </dependency>

        <!-- mybatis-plus-generator-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-generator</artifactId>
            <version>3.1.1</version>
        </dependency>

        <!-- mybatis-plus-generator-->
        <dependency>
            <groupId>org.apache.velocity</groupId>
            <artifactId>velocity-engine-core</artifactId>
            <version>2.1</version>
        </dependency>
        <!-- mybatis-plus-generator-->
        <dependency>
            <groupId>org.freemarker</groupId>
            <artifactId>freemarker</artifactId>
            <version>2.3.28</version>
        </dependency>
        <!--grpc-->
        <dependency>
            <groupId>com.google.protobuf</groupId>
            <artifactId>protobuf-java</artifactId>
            <version>3.14.0</version>
        </dependency>
        <!--grpc-->
        <dependency>
            <groupId>io.grpc</groupId>
            <artifactId>grpc-all</artifactId>
            <version>1.35.0</version>
        </dependency>

        <!--  http client-->
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.4</version>
        </dependency>
        <!--  http client-->
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpmime</artifactId>
            <version>4.4</version>
        </dependency>

• 代码生成器（修改代码里的配置，然后运行生成代码）

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.*;
import com.baomidou.mybatisplus.generator.config.converts.MySqlTypeConvert;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.querys.MySqlQuery;
import com.baomidou.mybatisplus.generator.config.rules.DateType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.VelocityTemplateEngine;
import org.apache.commons.lang3.StringUtils;

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

/**
 * @author humorchen
 * @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) {
//        Scanner scanner = new Scanner(System.in);

        AutoGenerator generator = new AutoGenerator();
        // 全局变量配置
        GlobalConfig gc = new GlobalConfig();
        String projectPath = System.getProperty("user.dir"); //当前项目
        gc.setOutputDir(projectPath + "/src/main/java"); // 输出路径
        gc.setFileOverride(true); // 默认 false ,是否覆盖已生成文件
        gc.setOpen(false); //默认true ,是否打开输出目录
        gc.setEnableCache(false); // 默认false,是否开启二级缓存
        gc.setAuthor("humorchen"); // 作者
        gc.setSwagger2(true); //默认false
        gc.setBaseResultMap(true); // 默认false
//        gc.setDateType(DateType.TIME_PACK); // 时间策略 默认TIME_PACK
        gc.setBaseColumnList(true); //默认false  和basemodel相似
//        gc.setEntityName("%s");
//        gc.setControllerName("%sController");
//        gc.setServiceName("I%sService");
//        gc.setServiceImplName("%sServiceImpl");
//        gc.setMapperName("I%sMapper");
//        gc.setXmlName("%sMapper");
        gc.setIdType(IdType.AUTO); // 指定生成的主键类型
        generator.setGlobalConfig(gc);

        // 数据源配置
        DataSourceConfig dc = new DataSourceConfig();
        dc.setDbQuery(new MySqlQuery()); // 数据库信息查询 //默认mysql
        dc.setDbType(DbType.MYSQL);// 数据库类型
        dc.setTypeConvert(new MySqlTypeConvert()); //类型转换 默认mysql
        dc.setUrl("jdbc:mysql://192.168.0.198:3306/imdb?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8&useSSL=false");
        dc.setDriverName("com.mysql.cj.jdbc.Driver");
        dc.setUsername("root");
        dc.setPassword("root");
        generator.setDataSource(dc);

        // 包配置
        PackageConfig pc = new PackageConfig();
        pc.setParent("com.newfly.im");//代码生成到哪个包下面
//        pc.setModuleName(""); //此处是所属模块名称
        pc.setEntity("bean"); //默认entity,controller,service,service.impl,mapper,mapper.xml
        generator.setPackageInfo(pc);
//         自定义配置
        InjectionConfig cfg = new InjectionConfig() {
            @Override
            public void initMap() {
                // to do nothing
            }
        };
        /**
         * 将xml生成到resource下面
         */
//        String templatePath = "/templates/mapper.xml.vm"; // Velocity模板
        // 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/"
                        + pc.getModuleName()
//                        + "/" + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
//            }
//        });
//        cfg.setFileOutConfigList(focList);
        generator.setCfg(cfg);

        // 配置模板
//        TemplateConfig tc = new TemplateConfig();
        // templates/entity.java 模板路径配置，默认在templates目录下，.vm 后缀不用加
//        tc.setEntity("templates/entity.java");//使用自定义模板生成实体类
//        tc.setXml("");
//        generator.setTemplate(tc);

        // 数据库表配置
        StrategyConfig sc = new StrategyConfig();
        sc.setCapitalMode(false); //是否大写命名 默认false
        sc.setSkipView(true); //是否跳过试图 默认false
        sc.setNaming(NamingStrategy.underline_to_camel);// 表映射 驼峰命名
        sc.setColumnNaming(NamingStrategy.underline_to_camel); // 字段映射 驼峰
        sc.setEntityLombokModel(true); //是否使用lombak 默认为false
        sc.setRestControllerStyle(true); // 默认false
        sc.setEntitySerialVersionUID(true); //默认true
        sc.setEntityColumnConstant(true); //默认false 将mysql字段名生成静态变量
//        sc.setInclude(scanner("表名，多个英文逗号分割").split(",")); //表名，用，隔开  需要生产
        //     sc.setExclude(""); //                 不需要生成  二选一
        sc.setEntityTableFieldAnnotationEnable(true); // 默认false 注释
        sc.setControllerMappingHyphenStyle(false); //默认false
        sc.setTablePrefix(new String[]{"t_"});//  此处可以修改为您的表前缀
//        sc.setLogicDeleteFieldName("status"); // 逻辑删除字段名称
        generator.setStrategy(sc);

        // 模板引擎
        generator.setTemplateEngine(new VelocityTemplateEngine());
        generator.execute();
    }
}

• application.yml

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://192.168.0.198:3306/imdb?useUnicode=true&characterEncoding=utf8&serverTimezone=UTC&rewriteBatchedStatements=true
    username: root
    password: root

• 生成后的代码，比如bean