setInterval(function () {

let nowtime = Date.parse(new Date()) / 1000;

if ((endtime - nowtime) >= 0) {

let timer = endtime - nowtime;

let d = parseInt(timer / 60 / 60 / 60 / 24, 10);//计算剩余小时

let h = parseInt(timer / 60 / 60 % 24, 10);//计算剩余小时

let m = parseInt(timer / 60 % 60, 10);//计算剩余分钟

let s = parseInt(timer % 60, 10);//计算剩余秒数

h = h < 10 ? h : h;

m = m < 10 ? m : m;

s = s < 10 ? s : s;

that.setData({

days: d,

hours: h,

minutes: m,

seconds: s,

})

} else {

that.setData({

 

})

}

}, 1000)