MybatisPlus代码生成器的使用方法详解

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for user
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user`  (
  `id` bigint(0) NOT NULL COMMENT '主键ID',
  `name` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '姓名',
  `age` int(0) NULL DEFAULT NULL COMMENT '年龄',
  `email` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '邮箱',
  `create_time` datetime(0) NULL DEFAULT NULL COMMENT '创建时间',
  `update_time` datetime(0) NULL DEFAULT NULL COMMENT '修改时间',
  `version` int(0) NULL DEFAULT NULL COMMENT '版本号',
  `deleted` tinyint(1) NULL DEFAULT NULL COMMENT '用于逻辑删除',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of user
-- ----------------------------
INSERT INTO `user` VALUES (1, 'Jone', 18, 'test1@baomidou.com', NULL, NULL, NULL, NULL);
INSERT INTO `user` VALUES (2, 'Jack', 20, 'test2@baomidou.com', NULL, NULL, NULL, NULL);
INSERT INTO `user` VALUES (3, 'Tom', 38, 'test3@baomidou.com', NULL, '2021-04-11 16:13:56', NULL, NULL);
INSERT INTO `user` VALUES (4, 'Sandy', 21, 'test4@baomidou.com', NULL, NULL, NULL, NULL);
INSERT INTO `user` VALUES (5, 'Billie', 24, 'test5@baomidou.com', NULL, NULL, NULL, NULL);
INSERT INTO `user` VALUES (1381145367839522818, '李白', 28, 'lucy@qq.com', NULL, NULL, NULL, NULL);
INSERT INTO `user` VALUES (1381156317133090817, 'lili', 28, 'lucyee@qq.com', NULL, NULL, NULL, NULL);
INSERT INTO `user` VALUES (1381157235618492418, 'lili', 28, 'lucyee@qq.com', NULL, NULL, NULL, NULL);
INSERT INTO `user` VALUES (1381158109963096065, 'lili', 28, 'lucyee@qq.com', '2021-04-11 16:12:09', NULL, NULL, NULL);
INSERT INTO `user` VALUES (1381166877736280066, '江小白', 200, 'lucyee@qq.com', '2021-04-11 16:46:59', '2021-04-11 16:51:57', 2, NULL);
INSERT INTO `user` VALUES (1381186511252258818, '东方不败', 200, 'lucyee@qq.com', '2021-04-11 18:05:00', '2021-04-11 18:05:47', 2, 1);
INSERT INTO `user` VALUES (1381225266432524290, '东方不败11', 28, 'lucyee@qq.com', '2021-04-11 20:39:00', '2021-04-11 20:39:00', 1, NULL);

SET FOREIGN_KEY_CHECKS = 1;

<!--mybatis-plus 持久层-->
            <dependency>
                <groupId>com.baomidou</groupId>
                <artifactId>mybatis-plus-boot-starter</artifactId>
                 <version>3.0.5</version>
            </dependency>

            <!-- velocity 模板引擎, Mybatis Plus 代码生成器需要 -->
            <dependency>
                <groupId>org.apache.velocity</groupId>
                <artifactId>velocity-engine-core</artifactId>
                <version>2.0</version>
            </dependency>

 <!--swagger-->
       <dependency>
      <groupId>io.springfox</groupId>
      <artifactId>springfox-swagger2</artifactId>
      <version>2.7.0</version>
      <scope>provided </scope>
    </dependency>
    <dependency>
      <groupId>io.springfox</groupId>
      <artifactId>springfox-swagger-ui</artifactId>
      <version>2.7.0</version>
      <scope>provided </scope>
    </dependency>

package com.atguigu.demo;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.annotation.IdType;
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.DateType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import org.junit.Test;


public class CodeGenerator {

    @Test
    public void run() {

        // 1、创建代码生成器
    AutoGenerator mpg = new AutoGenerator();

    // 2、全局配置
    GlobalConfig gc = new GlobalConfig();
    String projectPath = System.getProperty("user.dir");
    gc.setOutputDir(projectPath + "/class="lazy" data-src/main/java");
    gc.setAuthor("huiXing");
    gc.setOpen(false); //生成后是否打开资源管理器
    gc.setFileOverride(false); //重新生成时文件是否覆盖
    gc.setServiceName("%sService");	//去掉Service接口的首字母I
    gc.setIdType(IdType.ID_WORKER_STR); //主键策略
    gc.setDateType(DateType.ONLY_DATE);//定义生成的实体类中日期类型
    gc.setSwagger2(true);//开启Swagger2模式

    mpg.setGlobalConfig(gc);

    // 3、数据源配置
    DataSourceConfig dsc = new DataSourceConfig();
    dsc.setUrl("jdbc:mysql://localhost:3306/fyDatabase?serverTimezone=GMT%2B8");
    dsc.setDriverName("com.mysql.cj.jdbc.Driver");
    dsc.setUsername("root");
    dsc.setPassword("123456");
    dsc.setDbType(DbType.MYSQL);
    mpg.setDataSource(dsc);

    // 4、包配置
    PackageConfig pc = new PackageConfig();
    pc.setModuleName("production"); //模块名
    pc.setParent("com.fuyuan.springboot");
    pc.setController("controller");
    pc.setEntity("entity");
    pc.setService("service");
    pc.setMapper("mapper");
    mpg.setPackageInfo(pc);

    // 5、策略配置
    StrategyConfig strategy = new StrategyConfig();

    strategy.setInclude("tb_production");

    strategy.setNaming(NamingStrategy.underline_to_camel);//数据库表映射到实体的命名策略
    // strategy.setTablePrefix(pc.getModuleName() + "_"); //生成实体时去掉表前缀
    strategy.setTablePrefix("tb" + "_"); //生成实体类时 去掉前缀t_

    strategy.setColumnNaming(NamingStrategy.underline_to_camel);//数据库表字段映射到实体的命名策略
    strategy.setEntityLombokModel(true); // lombok 模型 @Accessors(chain = true) setter链式操作

    strategy.setRestControllerStyle(true); //restful api风格控制器
    strategy.setControllerMappingHyphenStyle(true); //url中驼峰转连字符
    mpg.setStrategy(strategy);
    // 6、执行
    mpg.execute();
    }
}

# 服务端口
server.port=8009

# mysql数据库连接
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/mybatisplus?serverTimezone=GMT%2B8
spring.datasource.username=root
spring.datasource.password=123456

#返回json的全局时间格式
spring.jackson.date-format=yyyy-MM-dd HH:mm:ss
spring.jackson.time-zone=GMT+8

#mybatis-plus日志
mybatis-plus.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl