xzs-mysql/source/wx/xzs-student/component/iView/count-down/index.js
2020-07-16 14:12:31 +08:00

91 lines
2.6 KiB
Java

Component({
properties: {
target: Number,
showDay: Boolean,
callback: String,
format: Array,
clearTimer: Boolean
},
externalClasses: ['countdown-class'],
data: {
time: '',
resultFormat: [],
changeFormat: false
},
ready() {
this.getFormat();
},
methods: {
getFormat() {
const data = this.data;
const len = data.format.length;
if (!data.showDay) data.resultFormat.push('');
if (len >= 3) {
for (let i = 0; i < len; i++) {
if (data.resultFormat.length >= 4) break;
if (data.format[i]) {
data.resultFormat.push(data.format[i].toString());
}
}
if (data.resultFormat.length >= 4) data.changeFormat = true;
}
this.getLastTime();
},
init() {
const self = this;
setTimeout(function () {
self.getLastTime.call(self);
}, 1000);
},
getLastTime() {
const data = this.data;
const gapTime = Math.ceil((data.target - new Date().getTime()) / 1000);
let result = '';
let time = '00:00:00';
let day = '00';
const format = data.resultFormat;
if (gapTime > 0) {
day = this.formatNum(parseInt(gapTime / 86400));
let lastTime = gapTime % 86400;
const hour = this.formatNum(parseInt(lastTime / 3600));
lastTime = lastTime % 3600;
const minute = this.formatNum(parseInt(lastTime / 60));
const second = this.formatNum(lastTime % 60);
if (data.changeFormat) time = `${hour}${format[1]}${minute}${format[2]}${second}${format[3]}`;
else time = `${hour}:${minute}:${second}`;
if (!data.clearTimer) this.init.call(this);
} else {
this.endfn();
}
if (data.showDay) {
if (data.changeFormat) {
result = `${day}${format[0]} ${time}`;
} else {
result = `${day}d ${time}`;
}
} else {
result = time;
}
this.setData({
time: result
});
},
formatNum(num) {
return num > 9 ? num : `0${num}`;
},
endfn() {
this.triggerEvent('callback', {});
}
}
});