在小程序中实现倒计时效果示例代码

<!--index.wxml--> <view>   <text>倒计时: {{second}} </text>  </view>

//index.js  // 从从60到到0倒计时  function countdown(that) {   var second = that.data.second   if (second == 0) {    that.setData({     second: "60秒倒计时结束"   });    return ;   }   var time = setTimeout(function(){    that.setData({     second: second - 1    });    countdown(that);   }   ,1000)  }      Page({    data: {      second: 60    },    onLoad: function() {      countdown(this);    }