微信小程序电商常用倒计时

wxml文件放个text second: {{second}} micro second:{{micro_second}} 在js文件中调用   function countdown(that) { var second = that.data.second if (second == 0) { // console.log("Time Out..."); that.setData({ second: "Time Out..." }); return ; } var time = setTimeout(function(){ that.setData({ second: second - 1