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微信小程序显示倒计时 微信小程序显示倒计时功能示例【测试可用】

kerryqpw 人气:0

本文实例讲述了微信小程序显示倒计时功能。分享给大家供大家参考,具体如下:

微信小程序中显示倒计时:

index.wxml:

<view class='countdown'>剩:<text style='color:#6B4EFD'> {{countDownDay}} </text> 天 <text style='color:#6B4EFD'>{{countDownHour}} </text> <text style='color:#6B4EFD'>{{countDownMinute}} </text> <text style='color:#6B4EFD'>{{countDownSecond}} </text>
</view>

index.js:

Page( {
 data: {
  windowHeight: 654,
  maxtime: "",
  isHiddenLoading: true,
  isHiddenToast: true,
  dataList: {},
  countDownDay: 0,
  countDownHour: 0,
  countDownMinute: 0,
  countDownSecond: 0,
 },
 //事件处理函数
 bindViewTap: function() {
  wx.navigateTo( {
   url: '../logs/logs'
  })
 },
 onLoad: function() {
  this.setData( {
   windowHeight: wx.getStorageSync( 'windowHeight' )
  });
 },
 // 页面渲染完成后 调用
 onReady: function () {
  var totalSecond = Date.parse(new Date("2018/12/12")) / 1000 - Date.parse(new Date()) / 1000;
  var interval = setInterval(function () {
   // 秒数
   var second = totalSecond;
   // 天数位
   var day = Math.floor(second / 3600 / 24);
   var dayStr = day.toString();
   if (dayStr.length == 1) dayStr = '0' + dayStr;
   // 小时位
   var hr = Math.floor((second - day * 3600 * 24) / 3600);
   var hrStr = hr.toString();
   if (hrStr.length == 1) hrStr = '0' + hrStr;
   // 分钟位
   var min = Math.floor((second - day * 3600 *24 - hr * 3600) / 60);
   var minStr = min.toString();
   if (minStr.length == 1) minStr = '0' + minStr;
   // 秒位
   var sec = second - day * 3600 * 24 - hr * 3600 - min*60;
   var secStr = sec.toString();
   if (secStr.length == 1) secStr = '0' + secStr;
   this.setData({
    countDownDay: dayStr,
    countDownHour: hrStr,
    countDownMinute: minStr,
    countDownSecond: secStr,
   });
   totalSecond--;
   if (totalSecond < 0) {
    clearInterval(interval);
    wx.showToast({
     title: '活动已结束',
    });
    this.setData({
     countDownDay: '00',
     countDownHour: '00',
     countDownMinute: '00',
     countDownSecond: '00',
    });
   }
  }.bind(this), 1000);
 },
 //cell事件处理函数
 bindCellViewTap: function (e) {
  var id = e.currentTarget.dataset.id;
  wx.navigateTo({
   url: '../babyDetail/babyDetail?id=' + id
  });
 }
})

运行结果如下图所示:

 

希望本文所述对大家微信小程序开发有所帮助。

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