<view class="">
<text class="">{{ d }}</text>
<text class="">天</text>
<text class="">{{ h }}</text>
<text class="">时</text>
<text class="">{{ i }}</text>
<text class="">分</text>
<text class="">{{ s }}</text>
<text class="">秒</text>
</view>
Page({
/**
* 组件的初始数据
*/
data: {
expire_second: 12332423000,
_timer: null,
_syncFlag: false,
d: '00',
h: '00',
i: '00',
s: '00',
_seconds: 0
},
onLoad(){
if (this.data._timer) {
this.data._syncFlag = false;
clearInterval(this.data._timer)
}
this.changeFlag()
},
onHide() {
if (this.data._timer) {
this.data._syncFlag = false;
clearInterval(this.data._timer);
}
}
timeUp() {
this.data._syncFlag = false;
clearInterval(this.data._timer)
},
countDown() {
let seconds = this.data._seconds;
let [day, hour, minute, second] = [0, 0, 0, 0]
if (seconds > 0) {
day = Math.floor(seconds / (60 * 60 * 24))
hour = Math.floor(seconds / (60 * 60)) - (day * 24)
minute = Math.floor(seconds / 60) - (day * 24 * 60) - (hour * 60)
second = Math.floor(seconds) - (day * 24 * 60 * 60) - (hour * 60 * 60) - (minute * 60)
} else {
this.timeUp()
return;
}
if (day < 10) {
day = '0' + day
}
if (hour < 10) {
hour = '0' + hour
}
if (minute < 10) {
minute = '0' + minute
}
if (second < 10) {
second = '0' + second
}
this.setData({
d: day,
h: hour,
i: minute,
s: second
})
},
startData() {
let seconds = this.data._seconds;
seconds = Number(this.data.expire_second) / 1000
if (seconds <= 0) {
return
}
this.countDown()
let that = this;
this.data._timer = setInterval(() => {
seconds--
that.data._seconds = seconds;
if (seconds < 0) {
that.timeUp()
return
}
that.countDown()
}, 1000)
},
changeFlag() {
if (!this.data._syncFlag) {
this.data._seconds = Number(this.data.expire_second) / 1000;
this.startData();
this.data._syncFlag = true;
}
}
})
