SpringBoot 整合MybatisPlus 实现字段自动注入

package com.aims.mybatisplus.model.entity;

import com.baomidou.mybatisplus.annotation.*;
import lombok.Data;

import java.io.Serializable;
import java.util.Date;

/**
 * @description member
 * @author AI码师
 * @date 2021-11-07
 */
@Data
@TableName("member")
public class Member implements Serializable {

    private static final long serialVersionUID = 1L;

    @TableId(type = IdType.AUTO)
    /**
    * 主键
    */
    private Long id;

    /**
    * 创建人
    */
    private String createBy;

    /**
    * 创建时间
    */
    @TableField(fill = FieldFill.INSERT)
    private Date createTime;

    /**
    * 更新人
    */
    private String updateBy;

    /**
    * 更新时间
    */
    @TableField(fill = FieldFill.UPDATE)
    private Date updateTime;

    /**
    * 会员名称
    */
    private String memberName;

    /**
    * 会员类型
    */
    private int memberType;

    /**
    * 手机号
    */
    private String memberPhone;

    /**
    * 会员等级
    */
    private int memberLevel;
    /**
    * 会员等级
    */
    private String tenantId;


    public Member() {}
}

package com.aims.mybatisplus.conf;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.util.Date;

@Slf4j
@Component
public class MyMetaObjectHandler implements MetaObjectHandler {

    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("start insert fill ....");
        this.strictInsertFill(metaObject, "createTime", Date.class, new Date()); // 起始版本 3.3.0(推荐使用)
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("start update fill ....");
        this.strictUpdateFill(metaObject, "updateTime", Date.class, new Date()); // 起始版本 3.3.0(推荐使用)

}}

package com.aims.mybatisplus.controller;

import com.aims.mybatisplus.dao.MemberMapper;
import com.aims.mybatisplus.model.entity.Member;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/testFieldFill")
public class TestFieldFIllController {
    @Autowired
    private MemberMapper memberMapper;
    @RequestMapping("insertFill")
    public String insertFill(){
        Member member = new Member();
        member.setMemberName("测试字段填充插入");
        memberMapper.insert(member);
        return "success";
    }
    @RequestMapping("updateFill")
    public String updateFill(@RequestParam long id){
        Member member = new Member();
        member.setMemberName("更新填充");
        member.setId(id);
        memberMapper.updateById(member);
        return "success";
    }
}