前端获取当前系统时间/日期(vue写法)

Posted 2021-09-21 水香木鱼

展示层

<div>{{ nowDate + ' ' + nowTime + ' ' + nowWeek }}</div>

逻辑层

data() {
	return {
	nowDate: “”, // 当前日期
	nowTime: “”, // 当前时间
	nowWeek: “”, // 当前星期
	dialogTableVisible: false
	};
},
mounted() {
   this.currentTime();
  },
methods: {
  currentTime() {
    setInterval(this.getDate, 500);
  },
   getDate() {
    var _this = this;
    let yy = new Date().getFullYear();
    let mm = new Date().getMonth() + 1;
    let dd = new Date().getDate();
    let week = new Date().getDay();
    let hh = new Date().getHours();
    let ms =
      new Date().getSeconds() < 10
        ? "0" + new Date().getSeconds()
        : new Date().getSeconds();
      let mf =
      new Date().getMinutes() < 10
        ? "0" + new Date().getMinutes()
        : new Date().getMinutes();
    if (week == 1) {
      this.nowWeek = "星期一";
    } else if (week == 2) {
      this.nowWeek = "星期二";
    } else if (week == 3) {
      this.nowWeek = "星期三";
    } else if (week == 4) {
      this.nowWeek = "星期四";
    } else if (week == 5) {
      this.nowWeek = "星期五";
    } else if (week == 6) {
      this.nowWeek = "星期六";
    } else {
      this.nowWeek = "星期日";
    }
    _this.nowTime = hh + ":" + mf + ":" + ms;
    _this.nowDate = yy + "/" + mm + "/" + dd;
  },
},
 // 销毁定时器
beforeDestroy() {
  if (this.getDate) {
    console.log("销毁定时器");
    clearInterval(this.getDate); // 在Vue实例销毁前，清除时间定时器
  }
},