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时间方法封装,获取时间

法1:120807

getNowFormatTime() {
      var nowDate = new Date();
      return (
        this.completeDate(nowDate.getHours()) +
        this.completeDate(nowDate.getMinutes()) +
        this.completeDate(nowDate.getSeconds())
      );
    }, // 获得当前时间 √
    completeDate(value) {
      return value < 10 ? "0" + value : value + "";
    }, //补全0
getNowFormatTime() //120807

法2:获取1天前的时间/当前

Date.prototype.Format = function (fmt) { //author: meizz
         var o = {
            "M+": this.getMonth() + 1, //月份
            "d+": this.getDate(), //
            "h+": this.getHours(), //小时
            "m+": this.getMinutes(), //
            "s+": this.getSeconds(), //
            "q+": Math.floor((this.getMonth() + 3) / 3), //季度
            "S": this.getMilliseconds() //毫秒
         };
         if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
         for (var k in o)
            if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[
               k]) : (("00" + o[k]).substr(("" + o[k]).length)));
         return fmt;
      }
      
      console.log('1', new Date().Format("yyyy-MM-dd hh:mm:ss"));
      console.log('2', new Date().Format("yyyy-MM-dd"));
      console.log('3', new Date().Format("hhmmss"));

使用

let begin = new Date(new Date().getTime() - 24 * 60 * 60 * 1000).Format('yyyy-MM-dd hh:mm:ss')//1天前
  let end = new Date().Format('yyyy-MM-dd hh:00:00') //现在
  let begin2 = new Date(new Date().getTime() + 24 * 60 * 60 * 1000).Format('yyyy-MM-dd hh:mm:ss')//1天后

 法3:获得时分秒 10:38:12

new Date().toLocaleTimeString()

 

posted @ 2021-11-28 14:41  我の前端日记  阅读(83)  评论(0)    收藏  举报
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