<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<meta charset="utf-8" />
<script src="Css/jquery-2.1.4.js"></script>
<script>
function drag(ev) {
ev.dataTransfer.setData("Text", ev.target.id);
}
function dragOver(ev) {
ev.preventDefault();
}
function drop(ev) {
ev.preventDefault();
var data = ev.dataTransfer.getData("Text");
ev.target.appendChild(document.getElementById(data));
}
</script>
<style>
div {
width:200px;
height:100px;
border:1px solid #aaaaaa;
float:left;
margin:20px;
padding:10px;
}
figure {
clear:both;
}
</style>
</head>
<body>
<aside>
<h2>来回放置图片</h2>
<div id="div1"ondrop="drop(event)" ondragover="dragOver(event)"></div><div id="div2" ondrop="drop(event)" ondragover="dragOver(event)"></div>
<figure>
<figcaption>鲜花</figcaption>
<img id="image" src="Images/ct_html5_canvas_image.gif" alt="image" draggable="true" ondragstart="drag(event)"/>
</figure>
</aside>
</body>
</html>
原文：http://www.cnblogs.com/melao2006/p/4983262.html