小程序-倒计时

这里有个坑:

api返回如果格式是: ' 2020-02-20 02:02:02 '格式,则ios系统的小程序展示生成倒计时为null,把 ' - ' 替换为 ’ / ‘ 才能正常显示倒计时; replace(/\-/g, '/')

countTdown: function (renderdataTime) { // 渲染倒计时间
  let that = this;
  let dataTime = renderdataTime;
  clearInterval(that.data.activityInter);
  that.data.activityInter = setInterval(() => {
    dataTime--;
    if (dataTime < 0) {
      clearInterval(that.data.activityInter);
        that.setData({
        overTimeFlag: true
      })
      return;
    }
  var timeObj = that.forMatterTime(dataTime);
  var day = timeObj.days;
  var hour = timeObj.hours;
  var minutes = timeObj.minutes;
  var seconds = timeObj.seconds;
  that.setData({
    activityTime: {
    day: day,
    hour: hour,
    minute: minutes,
    second: seconds
  },
})
}, 1000);
},
//获取时间
forMatterTime: function (leftTime) {
  var days = parseInt(leftTime / 60 / 60 / 24 % 24, 10); //计算剩余的天数
  var hours = parseInt(leftTime / 60 / 60 % 24, 10); //计算剩余的小时
  var minutes = parseInt(leftTime / 60 % 60, 10);//计算剩余的分钟
  var seconds = parseInt(leftTime % 60, 10);//计算剩余的秒数
  hours = this.checkTime(hours);
  minutes = this.checkTime(minutes);
  seconds = this.checkTime(seconds);
  return {
    days: days,
    hours: hours,
    minutes: minutes,
    seconds: seconds,
  }
},


checkTime: function (i) { //将0-9的数字前面加上0,例1变为01
  if (i < 10) {
    i = "0" + i;
  }
  return i;
},

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转载自www.cnblogs.com/jaolo/p/11386915.html