1 <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
3 <html xmlns="http://www.w3.org/1999/xhtml">
4 <head>
5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
6 <title>拖动DIV</title>
7
8 <style type="text/css">
9 .show{
10 background:#7cd2f8;
11 width:100px;
12 height:100px;
13 text-align:center;
14 position:absolute;
15 z-index:1;
16 left:100px;
17 top:100px;
18 }
19 </style>
20
21 <script type="text/javascript" src="http://sandbox.runjs.cn/uploads/rs/165/x9ajweu6/1.5_jquery.min.js"></script>
22 <script type="text/javascript">
23 $(document).ready(function(){
24 $(".show").mousedown(function(e){ //e鼠标事件
25 $(this).css("cursor","move");//改变鼠标指针的形状
26
27 var offset = $(this).offset();//DIV在页面的位置
28 var x = e.pageX - offset.left;//获得鼠标指针离DIV元素左边界的距离
29 var y = e.pageY - offset.top;//获得鼠标指针离DIV元素上边界的距离
30 $(document).bind("mousemove",function(ev){ //绑定鼠标的移动事件,因为光标在DIV元素外面也要有效果,所以要用doucment的事件,而不用DIV元素的事件
31 $(".show").stop();//加上这个之后
32
33 var _x = ev.pageX - x;//获得X轴方向移动的值
34 var _y = ev.pageY - y;//获得Y轴方向移动的值
35
36 $(".show").animate({left:_x+"px",top:_y+"px"},10);
37 });
38 });
39
40 $(document).mouseup(function(){
41 $(".show").css("cursor","default");
42 $(this).unbind("mousemove");
43 });
44 });
45 </script>
46 </head>
47 <body>
48 <div class="show">
49 jquery实现DIV层拖动
50 </div>
51 </body>
52 </html>