//倒计时方法
var that=this; this.data.intervarID= setInterval(function () { var leftTime = (new Date(2017, 6-1, 28, 17, 40, 0)) - (new Date()); //计算剩余的毫秒数 var days = parseInt(leftTime / 1000 / 60 / 60 / 24, 10); //计算剩余的天数 var hours = parseInt(leftTime / 1000 / 60 / 60 % 24, 10); //计算剩余的小时 var minutes = parseInt(leftTime / 1000 / 60 % 60, 10);//计算剩余的分钟 var seconds = parseInt(leftTime / 1000 % 60, 10);//计算剩余的秒数 days = checkTime(days); hours = checkTime(hours); minutes = checkTime(minutes); seconds = checkTime(seconds); that.setData({ clock: days + "天" + hours + "小时" + minutes + "分" + seconds + "秒" }) if (days == '00' && hours == '00' && minutes == '00' && seconds=='00') { clearInterval(that.data.intervarID); that.setData({ btnname: '立即抢购' }) } }, 1000 )