wxml部分
<view class="container">
<view class='father'>
<view id="id" class="ball" bindtap="handletap" bindtouchstart="handletouchtart" bindtouchmove="handletouchmove">
<text>{{text}}</text>
</view>
<view calss="ball2">
<view class='son son1'>111</view>
<view class='son son2'>222</view>
<view class='son son3'>333</view>
</view>
</view>
</view>
js部分
Page({
data: {
lastX: 0,
lastY: 0,
text: "没有滑动啦啦啦啦啦啦啦啦啦啦啦",
},
handletouchmove: function (event) {
console.log(event)
let currentX = event.touches[0].pageX
let currentY = event.touches[0].pageY
let tx = currentX - this.data.lastX
let ty = currentY - this.data.lastY
let text = ""
//左右方向滑动
// if (Math.abs(tx) > Math.abs(ty)) {
// if (tx < 0)
// text = "向左滑动"
// else if (tx > 0)
// text = "向右滑动"
// }
// //上下方向滑动
// else {
if (ty < 0)
text = "向上滑动啦啦啦啦啦啦啦啦啦啦啦",
wx.showToast({
title: '向上',
icon: 'success',
duration: 2000
})
else if (ty > 0)
text = "向下滑动啦啦啦啦啦啦啦啦啦啦啦"
// wx.showToast({
// title: '向下',
// icon: 'success',
// duration: 2000
// })
// }
//将当前坐标进行保存以进行下一次计算
this.data.lastX = currentX
this.data.lastY = currentY
this.setData({
text: text,
});
}
})