Source: dateFormat/dateFormat1.js

/*
 * @Author: zhangyu
 * @Email: zhangdulin@outlook.com
 * @Date: 2021-06-08 11:30:40
 * @LastEditors: zhangyu
 * @LastEditTime: 2021-06-10 17:55:31
 * @Description: 
 */
/**
 * 日期格式化
 * 时间规则:
 * 今天显示:xx:xx
 * 昨天显示:昨天 xx:xx
 * 一周内显示:星期x xx:xx
 * 一年内显示:xx月xx日 xx:xx
 * 更早日期显示:xx年xx月xx日 xx:xx
 * @param {*} value 时间戳,单位s
 * @return {*} 格式化后的日期
 */
 export function dateFormat1(value) {
  if (!value) return "";
  const time = value * 1000;
  const now = new Date().getTime();
  const year = new Date(time).getFullYear();
  const month = new Date(time).getMonth() + 1;
  const date = new Date(time).getDate();
  let hour = new Date(time).getHours();
  let min = new Date(time).getMinutes();
  const weekType = ["日", "一", "二", "三", "四", "五", "六"];
  const week = "星期" + weekType[new Date(time).getDay()];
  if (min < 10) {
    min = "0" + min;
  }
  if (hour < 10) {
    hour = "0" + hour;
  }
  if (new Date().getDate() - new Date(time).getDate() === 0) {
    return hour + ":" + min;
  } else if (new Date().getDate() - new Date(time).getDate() === 1) {
    return "昨天 " + hour + ":" + min;
  } else if (
    new Date().getTime() < new Date(time).getTime() &&
    new Date().getDate() - new Date(time).getDate() < 7 &&
    new Date().getDay() - new Date(time).getDay() > 0
  ) {
    return week + hour + ":" + min;
  } else if (year < new Date(now).getFullYear()) {
    return year + "年" + month + "月" + date + "日   " + hour + ":" + min;
  } else {
    return month + "月" + date + "日   " + hour + ":" + min;
  }
}