笔记—mybatisplus 自动更新创建时间,更新时间

时间:2025-04-11 13:03:33

BaseEntity

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

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

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

config

package com.project.management.contractor.progress.config;
import java.util.Date;

import org.apache.ibatis.reflection.MetaObject;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;

import lombok.extern.slf4j.Slf4j;
@Slf4j
@Component
public class MyMetaObjectHandler implements MetaObjectHandler{

	@Override
	public void insertFill(MetaObject metaObject) {
		// TODO Auto-generated method stub
		log.info("创建时间");
		this.setFieldValByName("createDate", new Date(), metaObject);
		this.setFieldValByName("updateDate", new Date(), metaObject);
	}

	@Override
	public void updateFill(MetaObject metaObject) {
		log.info("修改时间");
		this.setFieldValByName("updateDate", new Date(), metaObject);
		
	}
}

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