前端拖放垃圾桶效果
2020-03-03 本文已影响0人
五四青年_4e7d
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
ul li{
width:100px;
height:100px;
border:1px solid red;
list-style: none;
text-align: center;
float: left;
}
.box{
width:200px;
height:200px;
border:2px solid #000;
float: left;
}
#txt{
width:600px;
height:100px;
border:2px solid #000;
float: left;
}
</style>
</head>
<body>
<ul>
<li draggable="true">1</li>
<li draggable="true">2</li>
<li draggable="true">3</li>
<li draggable="true">4</li>
<li draggable="true">5</li>
</ul>
<p id="txt"></p>
<div class="box" id="out">
垃圾箱
</div>
</body>
</html>
<script>
window.onload = function(){
var aLi = document.getElementsByTagName('li')
var oDiv = document.getElementById("out")
var txt = document.getElementById('txt')
var targetLi = null //存储拖拽的元素
var img = document.createElement('img')
img.src = 'https://img.yzcdn.cn/vant/apple-1.jpg'
for(var i = 0; i < aLi.length;i++){
aLi[i].ondragstart = function(ev){
this.style.background = 'orange'
targetLi = this
ev.dataTransfer.setData('Text',this.innerHTML)
ev.dataTransfer.setDragImage(img,20,20)
}
aLi[i].ondragend = function(){
this.style.background = ''
}
oDiv.ondragenter = function(){
this.style.background = 'red'
}
oDiv.ondragover = function(ev){
ev.preventDefault()
}
oDiv.ondragleave = function(){
this.style.borderColor = '#000'
}
oDiv.ondrop = function(ev){
this.style.borderColor = '#000'
var oText = ev.dataTransfer.getData('Text')
txt.innerHTML = '删除的是' + oText
targetLi.parentNode.removeChild(targetLi)
}
}
}
</script>
