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HTML5滑动删除效果

最新推荐文章于 2023-08-25 14:59:28 发布

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最新推荐文章于 2023-08-25 14:59:28 发布

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/zhouyx/p/5600079.html

本文介绍了一种基于HTML5的手机端滑动删除特效实现方法。通过监听touchstart、touchmove及touchend事件，利用JavaScript调整元素的transform属性，实现了iOS风格的消息列表项向左滑动显示删除按钮的功能。

<!DOCTYPE html>

<html lang="en">

<head>
<meta charset="UTF-8">
<meta name="viewport" id="viewport" content="width=device-width, initial-scale=1">
<title>html5向左滑动删除特效</title>
<style>
* {
padding: 0;
margin: 0;
list-style: none;
}

header {
background: #f7483b;
border-bottom: 1px solid #ccc
}

header h2 {
text-align: center;
line-height: 54px;
font-size: 16px;
color: #fff
}

.list-ul {
overflow: hidden
}

.list-li {
line-height: 60px;
border-bottom: 1px solid #fcfcfc;
position: relative;
padding: 0 12px;
color: #666;
background: #f2f2f2;
-webkit-transform: translateX(0px);
}

.btn {
position: absolute;
top: 0;
right: -80px;
text-align: center;
background: #ffcb20;
color: #fff;
width: 80px
}
</style>
<script>
/*
* 描述：html5苹果手机向左滑动删除特效
*/
window.addEventListener('load', function() {
var initX; //触摸位置
var moveX; //滑动时的位置
var X = 0; //移动距离
var objX = 0; //目标对象位置
window.addEventListener('touchstart', function(event) {
event.preventDefault();
var obj = event.target.parentNode;
if (obj.className == "list-li") {
initX = event.targetTouches[0].pageX;
objX = (obj.style.WebkitTransform.replace(/translateX\(/g, "").replace(/px\)/g, "")) * 1;
}
if (objX == 0) {
window.addEventListener('touchmove', function(event) {
event.preventDefault();
var obj = event.target.parentNode;
if (obj.className == "list-li") {
moveX = event.targetTouches[0].pageX;
X = moveX - initX;
if (X >= 0) {
obj.style.WebkitTransform = "translateX(" + 0 + "px)";
} else if (X < 0) {
var l = Math.abs(X);
obj.style.WebkitTransform = "translateX(" + -l + "px)";
if (l > 80) {
l = 80;
obj.style.WebkitTransform = "translateX(" + -l + "px)";
}
}
}
});
} else if (objX < 0) {
window.addEventListener('touchmove', function(event) {
event.preventDefault();
var obj = event.target.parentNode;
if (obj.className == "list-li") {
moveX = event.targetTouches[0].pageX;
X = moveX - initX;
if (X >= 0) {
var r = -80 + Math.abs(X);
obj.style.WebkitTransform = "translateX(" + r + "px)";
if (r > 0) {
r = 0;
obj.style.WebkitTransform = "translateX(" + r + "px)";
}
} else { //向左滑动
obj.style.WebkitTransform = "translateX(" + -80 + "px)";
}
}
});
}

})
window.addEventListener('touchend', function(event) {
event.preventDefault();
var obj = event.target.parentNode;
if (obj.className == "list-li") {
objX = (obj.style.WebkitTransform.replace(/translateX\(/g, "").replace(/px\)/g, "")) * 1;
if (objX > -40) {
obj.style.WebkitTransform = "translateX(" + 0 + "px)";
objX = 0;
} else {
obj.style.WebkitTransform = "translateX(" + -80 + "px)";
objX = -80;
}
}
})
})
</script>
</head>

<body>
<header>
<h2>消息列表</h2>
</header>
<section>
<ul class="list-ul">
<li class="list-li">
<div>
你的快递到了，请到楼下签收
</div>
<div class="btn">删除</div>
</li>
<li class="list-li">
<div>
哇，你在干嘛，快点来啊就等你了
</div>
<div class="btn">删除</div>
</li>
</ul>
</section>
</body>