CREATE TABLE `t_user`  (
  `uid` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键ID',
  `user_name` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '姓名',
  `age` int(11) NULL DEFAULT NULL COMMENT '年龄',
  `email` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '邮箱',
  `is_delect` int(255) NULL DEFAULT 0 COMMENT '是否删除',
  `sex` int(255) NULL DEFAULT NULL COMMENT '性别',
  PRIMARY KEY (`uid`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 16 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

package com.example.enums;
import com.baomidou.mybatisplus.annotation.EnumValue;
import lombok.Getter;
@Getter
public enum SexEnum {
    MALE(1, "男"),
    FEMALE(2, "女");
    @EnumValue //将注解所标识的属性的值存储到数据库中
    private int sex;
    private String sexName;
    SexEnum(Integer sex, String sexName) {
        this.sex = sex;
        this.sexName = sexName;
    }
}

package com.example.pojo;
import com.baomidou.mybatisplus.annotation.*;
import com.example.enums.SexEnum;
import lombok.*;
/**
 *
 */
//get/set 有参无参 @Data=get+set@| Setter+@Getter
@Data
@AllArgsConstructor
@NoArgsConstructor
public class User {
     //我们使用的是数据库自增
     @TableId(value="uid",type= IdType.AUTO)
     private Long id;
     @TableField("user_name")
     private String name;
     private Integer age;
     private String email;
     @TableLogic
     private int isDelect;
     private SexEnum sexEnum;
}

spring:
  # 配置数据源信息
  datasource:
    #配置数据源类型
    type: com.zaxxer.hikari.HikariDataSource
    #配置连接数据的信息
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/mybatis_plus?characterEncoding=utf-8&userSSL=false
    username: root
    password: root
mybatis-plus:
  configuration:
    #加入mybatis 日志查看执行语句sql语句
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
  global-config:
    db-config:
      table-prefix: t_
      #设置统一的主键生成策略
      id-type: auto
     #配置实体类类型别名对应的包(也就是实体类和mapper.xml的返回的对象对应)
  type-aliases-package: com.example.pojo
  # 扫描通用枚举的包
  type-enums-package: com.example.enums

package com.example;
import com.example.enums.SexEnum;
import com.example.mapper.UserMapper;
import com.example.pojo.User;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
public class MyBatisPlusEnumTest {
    @Autowired
    private UserMapper userMapper;
    @Test
    public void test(){
         User user = new User();
        user.setName("admin");
        user.setAge(33);
        user.setSex(SexEnum.MALE);
        int result = userMapper.insert(user);
        System.out.println("result:"+result);
    }
}

==>  Preparing: INSERT INTO t_user ( user_name, age, is_delect, sex ) VALUES ( ?, ?, ?, ? )
==> Parameters: admin(String), 33(Integer), 0(Integer), 1(Integer)
<==    Updates: 1

@Test
    public void test(){
         User user = new User();
        user.setName("admin");
        user.setAge(33);
        user.setSex(SexEnum.MALE);
        int result = userMapper.insert(user);
        System.out.println("result:"+result);
        System.out.println("user的值==》"+user);
        System.out.println("user中性别的值==》"+user.getSex().getSexName());
    }