uniapp拼团倒计时函数

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

limitFormatTime(date) {     var that=this;     // 日期格式为 [2019-05-09 20:10:10]     date = date.replace(/\-/g,'/');     var timestamp = (new Date(date)).valueOf();     var nowstr = (new Date()).valueOf();     setInterval(function(){         nowstr=nowstr-1000     },1000)     var chazhi = (timestamp - nowstr)/1000;     if (chazhi < 0) {         chazhi = 0;     }     var d = Math.floor(chazhi / 3600 / 24);     var h = Math.floor((chazhi / 3600) % 24);     var m = Math.floor((chazhi % 3600) / 60);     var s = Math.floor((chazhi % 3600) % 60);     if (h < 10) {         h = "0" + h;     }     if (m < 10) {         m = "0" + m;     }     if (s < 10) {         s = "0" + s;     }           return d + "天" + h + "时" + m + "分" + s + "秒" }