2020-04-25 22:59:04 +08:00
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// 工具类
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import util from './util.js';
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/**
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* 倒计时类
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*/
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module.exports = {
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2021-07-16 16:36:54 +08:00
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// 计时器句柄
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countIds: {},
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start(countId, app, dataIndex, endCallBack) {
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// console.log('start')
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this.onSetTimeList(countId, app, dataIndex, endCallBack, 0)
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},
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onSetTimeList(countId, app, dataIndex, endCallBack, deep = 0) {
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const _this = this;
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// 获取倒计时数据对象
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const countDownObj = app.data[dataIndex]
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2020-04-25 22:59:04 +08:00
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// 获取当前时间,同时得到活动结束时间数组
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2021-07-16 16:36:54 +08:00
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const newTime = new Date().getTime()
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2020-04-25 22:59:04 +08:00
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// 对结束时间进行处理渲染到页面
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2021-07-16 16:36:54 +08:00
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const endTime = new Date(util.format_date(countDownObj.date)).getTime();
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// 初始化倒计时数据
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countDownObj.dynamic = {
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// day: '00',
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hou: '00',
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min: '00',
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sec: '00'
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};
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// 如果活动未结束,对时间进行处理
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if (endTime - newTime > 0) {
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const diffTime = (endTime - newTime) / 1000;
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// 获取时、分、秒
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// day = parseInt(diffTime / 86400),
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const hou = parseInt(diffTime / 3600),
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min = parseInt(diffTime % 3600 / 60),
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sec = parseInt(diffTime % 3600 % 60);
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countDownObj.dynamic.hou = _this.timeFormat(hou)
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countDownObj.dynamic.min = _this.timeFormat(min)
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countDownObj.dynamic.sec = _this.timeFormat(sec)
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}
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2020-04-25 22:59:04 +08:00
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// 渲染,然后每隔一秒执行一次倒计时函数
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2021-07-16 16:36:54 +08:00
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app.setData({
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[`${dataIndex}`]: countDownObj
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})
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// 判断倒计时是否结束
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const isEnd = _this.isEnd(countDownObj);
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// 结束后执行回调函数
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isEnd && deep > 0 && endCallBack && endCallBack();
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2020-04-25 22:59:04 +08:00
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// 重复执行
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2021-07-16 16:36:54 +08:00
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_this.countIds[countId] && clearTimeout(_this.countIds[countId])
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if (!isEnd) {
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_this.countIds[countId] = setTimeout(() => {
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_this.onSetTimeList(countId, app, dataIndex, endCallBack, ++deep)
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}, 1000)
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}
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},
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2020-04-25 22:59:04 +08:00
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2021-07-16 16:36:54 +08:00
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/**
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* 判断倒计时是否结束
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* @param {*} countDownObj
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*/
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isEnd(countDownObj) {
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const {
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dynamic
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} = countDownObj
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if (dynamic.hou == '00' && dynamic.min == '00' && dynamic.sec == '00') {
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return true
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}
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return false
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2020-04-25 22:59:04 +08:00
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},
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/**
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* 小于10的格式化函数
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*/
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timeFormat(param) {
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return param < 10 ? '0' + param : param;
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},
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};
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