<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vue</title>
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>
<body>
<div id="app" :class="{‘box‘:isActive}" @touchstart="slideStart" @touchend="slideEnd">
{{ message }}
</div>
<script>
var app = new Vue({
el: ‘#app‘,
data: {
message: ‘Hello Vue!‘,
isActive: true
},
methods: {
slideStart: function (e) {
this.startX = e.changedTouches[0].pageX;
this.startY = e.changedTouches[0].pageY;
},
slideEnd: function (e) {
this.endX = e.changedTouches[0].pageX;
this.endY = e.changedTouches[0].pageY;
this.moveX = this.endX-this.startX;
this.moveY = this.endY-this.startY;
if (this.moveX > 50) {
console.log(‘右‘);
} else if (this.moveX < -50) {
console.log(‘左‘);
}else if (this.moveY > 100) {
console.log(‘下‘);
}else if (this.moveY < -100) {
console.log(‘上‘);
}
console.log(‘X:‘,this.moveX);
console.log(‘Y:‘,this.moveY);
}
}
})
</script>
<style>
.box {
width: 800px;
height: 400px;
background-color: gray;
}
</style>
</body>
</html>
