mybatis及mybatis-plus的实体映射

package com.duxiang.backgroundmanagement.entity;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

1.mybatis
import javax.persistence.*;

@Data
@AllArgsConstructor
@NoArgsConstructor
@Table(name="m_chat")
/**
 * 多人聊天实体
 */
public class Chat {
    /** 自动编号 */
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "chat_id")
    private Integer chat_id;
    @Column(name = "username")
    private String username;
    @Column(name = "agree")
    private String agree;
    @Column(name = "content")
    private String content;
    @Column(name = "avatar_url")
    private String avatar_url;
    @Column(name = "time")
    private String time;
    /** 类型 */
    @Column(name = "type")
    private String type;
}



2.mybatis-plus
package du.xd.xiang.demo.entity;

import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.Serializable;

@Data
@AllArgsConstructor
@NoArgsConstructor
@TableName("d_user")
//Serializable具备序列化和反序列化
public class User implements Serializable {

    @TableId(type = IdType.AUTO)
    @TableField("user_id")
    private Integer userId;
    @TableField("user_name")
    private String userName;
    @TableField("pass_word")
    private String passWord;
    @TableField("nick_name")
    private String nickName;
    @TableField("salt")
    private String salt;
    @TableField("verCode")
    private String verCode;
    @TableField("avatar_url")
    private String avatarUrl;
    @TableField("md5")
    private String md5;
}