微信小程序 功能函数 touch触摸计时

shiFN:function(e){

// touchstart

// touchend

let that=this;

let n=0;

// 判断是开始还是结束的参数

let textTure = e.type;

that.setData({

textTure: textTure

})

if (textTure =='touchstart'){

let lovetime = setInterval(function () {

n += 0.5;

 

if (that.data.textTure=='touchend') {

clearInterval(lovetime);

}

console.log(n);

that.setData({

bian: n

})

}, 500)

 

}

},

 

<view class='bt-item' bindtouchend='shiFN' bindtouchstart='shiFN'></view>