日期

Date.prototype.Format = function (fmt) {
          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(new Date().Format('yyyyMMddhhmmss'))
        console.log(new Date().Format('yyyy-MM-dd hh-mm-ss'))
        console.log(new Date().Format('yyyy-MM-dd hh:mm:ss'))
原文地址:https://www.cnblogs.com/hss-blog/p/9148001.html