<view class="relative" @touchmove="handletouchmove" @touchstart="handletouchstart" @touchend="handletouchend">
</view>
data() {
return {
flag: 0,
text: '',
las...
<view class="relative" @touchmove="handletouchmove" @touchstart="handletouchstart" @touchend="handletouchend">
</view>
data() {
return {
flag: 0,
text: '',
lastX: 0,
lastY: 0
}
}
methods: {
handletouchmove: function(event) {
// console.log(event)
if (this.flag !== 0) {
return;
}
let currentX = event.touches[0].pageX;
let currentY = event.touches[0].pageY;
let tx = currentX - this.lastX;
let ty = currentY - this.lastY;
let text = '';
this.mindex = -1;
//左右方向滑动
if (Math.abs(tx) > Math.abs(ty)) {
if (tx < 0) { text='向左滑动' ; this.flag=1; // this.getList(); //调用列表的方法 } else if (tx> 0) {
text = '向右滑动';
this.flag = 2;
}
}
//上下方向滑动
else {
if (ty < 0) { text='向上滑动' ; this.flag=3; // this.getList(); //调用列表的方法 } else if (ty> 0) {
text = '向下滑动';
this.flag = 4;
}
}
//将当前坐标进行保存以进行下一次计算
this.lastX = currentX;
this.lastY = currentY;
this.text = text;
},
handletouchstart: function(event) {
// console.log(event)
this.lastX = event.touches[0].pageX;
this.lastY = event.touches[0].pageY;
},
handletouchend: function(event) {
this.flag = 0;
this.text = '没有滑动';
},
}
