<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
#target {
500px;
height: 300px;
line-height: 300px;
text-align: center;
border: 3px dashed #ccc;
}
#target.active {
background: #eee;
box-shadow: 2px 2px 2px #eee;
}
</style>
</head>
<body>
<div class="container">
<div class="content">
<img src="toy.png">
<p>选择文字拖到目标位子</p>
</div>
<div id="target">
<span>拖动文字到这里</span>
</div>
</div>
<script type="text/javascript">
(function() {
var target = document.querySelector('#target');
target.addEventListener('dragenter', function() {
this.classList.add('active');
})
target.addEventListener('dragleave', function() {
this.classList.remove('active');
})
//阻止冒泡和默认行为
target.addEventListener('dragover', function(e) {
e.preventDefault();
e.stopPropagation();
})
//目标框得到drop事件
target.addEventListener('drop', function(e) {
var data = e.dataTransfer.getData('text/plain');
var imgSrc = e.dataTransfer.getData('text/uri-list');
if (data) {
// 拖入的是文本
target.innerHTML = data;
} else if (imgSrc) {
var img = document.createElement('img');
img.src = imgSrc;
target.appendChild(img);
}
this.classList.remove('active');
e.preventDefault();
e.stopPropagation();
})
})()
</script>
</body>
</html>
