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introductio

Cum data inserendo, tempus praesens statim ponitur, et cum data renovatur, automatice data modificatur ad tempus modificationis.

Utere interface extenso MetaObjectHandler MybatisPlus

step

1. effectum deducendi interface

2. Entity class annotation

effectum deducendi interface

package com.example.vueelementson.common;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;
import java.util.Date;

/**
 * @BelongsProject: blog-springboot
 * @BelongsPackage: com.example.vueelementson.common
 * @Author: Zww
 * @CreateTime: 2024-07-07  16:38
 * @Description: TODO
 * @Version: 1.0
 */
@Component
public class ExtraDataHandle implements MetaObjectHandler {

    @Override
    public void insertFill(MetaObject metaObject) {
        // 第一个值填入你要设置的字段名,第二个值为每次自动填充的值
        metaObject.setValue("publishTime", new Date());
        metaObject.setValue("updateTime", new Date());
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        this.setFieldValByName("updateTime", new Date(), metaObject);
    }
}

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Adde annotationem

Autem, Date hic datam ante finem in forma indicationis.

addimus js ad conversionem indicationis in fine anteriori, eam introducimus et in methodo appellamus

JS indicatione temporis ad codicem

// 时间戳：1637244864707
/* 时间戳转换为时间 */
export default {
    timestampToTime(value, type = 0) {
        var time = new Date(value);// 2023-07-07 17:07:44
        var year = time.getFullYear();// 2023年
        var month = time.getMonth() + 1; // 0-11 +1表示1-12月
        var date = time.getDate();// 1-31号
        var hour = time.getHours();// 0-23时
        var minute = time.getMinutes();// 0-59分
        var second = time.getSeconds();// 0-59秒
        month = month < 10 ? "0" + month : month;// 如果小于10的月份,前面补0
        date = date < 10 ? "0" + date : date;
        hour = hour < 10 ? "0" + hour : hour;
        minute = minute < 10 ? "0" + minute : minute;
        second = second < 10 ? "0" + second : second;
        var arr = [
            year + "-" + month + "-" + date,
            year + "-" + month + "-" + date + " " + hour + ":" + minute + ":" + second,
            year + "年" + month + "月" + date,
            year + "年" + month + "月" + date + "日" + " " + hour + ":" + minute + ":" + second,
            hour + ":" + minute + ":" + second
        ]
        return arr[type];
    }
}

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Hoc utere js

eventum