《springboot集成mybatisplus》 --- 代码自动生成

引入依赖

<properties>
    <mybatis-plus-boot-starter.version>3.1.2</mybatis-plus-boot-starter.version>
    <springfox-swagger.version>2.9.2</springfox-swagger.version>
</properties>

<!--mybatisplus-->
<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-boot-starter</artifactId>
    <version>${mybatis-plus-boot-starter.version}</version>
</dependency>

<dependency>
   <groupId>org.mybatis</groupId>
   <artifactId>mybatis-typehandlers-jsr310</artifactId>
   <version>1.0.1</version>
</dependency>

<!--mybatisplus generator-->
<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-generator</artifactId>
    <version>${mybatis-plus-boot-starter.version}</version>
</dependency>

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

<!--swagger2用于model说明-->
<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-swagger2</artifactId>
    <version>${springfox-swagger.version}</version>
</dependency>
<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-swagger-ui</artifactId>
    <version>${springfox-swagger.version}</version>
</dependency>
<!--用于自定义模板中引入-->
<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <version>1.18.8</version>
    <optional>true</optional>
</dependency>

自定义代码生成类

package com.study.mybatisplus.util;

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.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.VelocityTemplateEngine;
import com.sun.deploy.util.StringUtils;

import java.util.*;
import java.util.stream.Collectors;

public class CodeGenerator {

    private static class DbConfig {
        private String dbName;
        private String ip;
        private String port;
        private String username;
        private String password;

        public DbConfig(String dbName, String ip, String port, String username, String password) {
            this.dbName = dbName;
            this.ip = ip;
            this.port = port;
            this.username = username;
            this.password = password;
        }

        public String getDbName() {
            return dbName;
        }

        public void setDbName(String dbName) {
            this.dbName = dbName;
        }

        public String getIp() {
            return ip;
        }

        public void setIp(String ip) {
            this.ip = ip;
        }

        public String getPort() {
            return port;
        }

        public void setPort(String port) {
            this.port = port;
        }

        public String getUsername() {
            return username;
        }

        public void setUsername(String username) {
            this.username = username;
        }

        public String getPassword() {
            return password;
        }

        public void setPassword(String password) {
            this.password = password;
        }
    }

    /**
     * 

     * 读取控制台内容
     * 
     */
    public static String scanner(String tip) {
        Scanner scanner = new Scanner(System.in);
        System.out.println(tip + "：");
        return scanner.nextLine();
    }

    public static void main(String[] args) {
        List<DbConfig> dbConfigs = new ArrayList<>();
        dbConfigs.add(new DbConfig("springboot" , "127.0.0.1" , "3306" , "root" , "123456"));
        List<String> dbnames = dbConfigs.stream().map(m -> m.dbName).collect(Collectors.toList());
        String dbname = scanner("请输入库名，可选：" + StringUtils.join(dbnames, ","));

        DbConfig dbConfig = dbConfigs.stream().filter(m -> m.getDbName().equals(dbname)).findFirst().orElse(null);
        if (dbConfig == null) {
            System.out.println("库名不存在");
            return;
        }

        String[] tables = scanner("请输入表名，多个英文逗号分割").split(",");
        boolean changePath = scanner("输入y生成到c盘根目录，默认回车生成到项目").equalsIgnoreCase("y");
        String generatePath = changePath ? "c:/mybatis-plus/" : System.getProperty("user.dir") + "/src/main/";

        // 代码生成器
        AutoGenerator mpg = new AutoGenerator();
        // 全局配置
        GlobalConfig gc = new GlobalConfig();
        gc.setOutputDir(generatePath + "java/");
        gc.setAuthor("mybatis-plus生成");
        gc.setOpen(false);
        gc.setSwagger2(true); //实体属性 Swagger2 注解
        gc.setBaseResultMap(true);
        gc.setBaseColumnList(true);
        gc.setEntityName("%sEntity");
        gc.setMapperName("%sMapper");
        gc.setFileOverride(changePath); //生成到项目时不覆盖源文件
        gc.setOpen(changePath); //弹出生成的文件夹窗口
        mpg.setGlobalConfig(gc);

        // 数据源配置
        DataSourceConfig dsc = new DataSourceConfig();
        dsc.setUrl("jdbc:mysql://" + dbConfig.getIp() + ":" + dbConfig.getPort() + "/" + dbname + "?useUnicode=true&useSSL=false&characterEncoding=utf8&serverTimezone=GMT");
        dsc.setDriverName("com.mysql.cj.jdbc.Driver");
        dsc.setUsername(dbConfig.getUsername());
        dsc.setPassword(dbConfig.getPassword());
        mpg.setDataSource(dsc);

        // 包配置
        PackageConfig pc = new PackageConfig();
        pc.setParent(changePath ? "auto" : "com.study.mybatisplus");
        pc.setMapper("mapper");
        pc.setEntity("domain");
        mpg.setPackageInfo(pc);

        // 模板配置
        TemplateConfig tc = new TemplateConfig();
        tc.setController(null);
        tc.setService(null);
        tc.setServiceImpl(null);
        tc.setXml(null);
        mpg.setTemplate(tc);

        // 自定义配置
        InjectionConfig cfg = new InjectionConfig() {
            @Override
            public void initMap() {
                Map<String, Object> map = new HashMap<>();
                map.put("dbname" , dbname);
                this.setMap(map);
            }
        };

        // 如果模板引擎是 velocity
        String templatePath = "/templates/mapper.xml.vm";
        String entitytemplatePath = "/templates/entity.java.vm";
        String mappertemplatePath = "/templates/mapper.java.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 generatePath + "resources/mapper/"
                        + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
            }
        });
        focList.add(new FileOutConfig(entitytemplatePath) {
            @Override
            public String outputFile(TableInfo tableInfo) {
                // 自定义输出文件名
                return generatePath + "java/com/study/mybatisplus/domain/"
                        + tableInfo.getEntityName() + StringPool.DOT_JAVA;
            }
        });
        focList.add(new FileOutConfig(mappertemplatePath) {
            @Override
            public String outputFile(TableInfo tableInfo) {
                // 自定义输出文件名
                return generatePath + "java/com/study/mybatisplus/mapper/"
                        + tableInfo.getMapperName() + StringPool.DOT_JAVA;
            }
        });
        cfg.setFileOutConfigList(focList);
        mpg.setCfg(cfg);

        // 策略配置
        StrategyConfig strategy = new StrategyConfig();
        strategy.setNaming(NamingStrategy.underline_to_camel);
        strategy.setColumnNaming(NamingStrategy.underline_to_camel);
        strategy.setInclude(tables);
        strategy.setEntityLombokModel(true);    //开启lombook支持
        mpg.setStrategy(strategy);
        mpg.setTemplateEngine(new VelocityTemplateEngine());
        mpg.execute();
    }
}

MybatisPlus配置类

@Configuration
@MapperScan("com.study.mybatisplus.mapper")
public class MybatisPlusConfig {
    /**
     * 分页插件
     */
    @Bean
    public PaginationInterceptor paginationInterceptor() {
        return new PaginationInterceptor();
    }


}

使用swagger直接测试

控制台打印sql

在application.yml中指定Mapper类输入debug日志

logging:
  level:
    com.study.mybatisplus.mapper: debug