1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
5 <title>jQuery弹出窗口 - 计划-博客园</title>
6 <meta name="keywords" content="www.cnblogs.com/jihua"/>
7 <style type="text/css">
8 .window{
9 250px;
10 background-color:#d0def0;
11 position:absolute;
12 padding:2px;
13 margin:5px;
14 display:none;
15 }
16 .content{
17 height:150px;
18 background-color:#FFF;
19 font-size:14px;
20 overflow:auto;
21 }
22 .title{
23 padding:2px;
24 color:#0CF;
25 font-size:14px;
26 }
27 .title img{
28 float:right;
29 }
30 </style>
31 <script type="text/javascript" src="http://down.hovertree.com/jquery/jquery-1.7.2.min.js"></script>
32 <script type="text/javascript" language="javascript">
33 $(document).ready(function () {
34 $("#btn_center").click(function () {
35 popCenterWindow();
36 });
37
38 $("#btn_right").click(function () {
39 popRightWindow();
40 });
41 $("#btn_left").click(function () {
42 popLeftWindow();
43 });
44
45 });
46
47 </script>
48 </head>
49 <body>
50 <div style="600px;margin-left:auto;margin-right:auto;margin-top:160px;">
51 <input type="button" value="居中窗口" id="btn_center" />
52 <input type="button" value="居左下角" id="btn_left" />
53 <input type="button" value="居右下角" id="btn_right" />
54 </div>
55 <div class="window" id="center">
56 <div id="title" class="title"><img src="http://pic002.cnblogs.com/images/2012/451207/2012100814082487.jpg" alt="关闭" />计划 博客园-居中窗口</div>
57 <div class="content">jihua.cnblogs.com</div>
58 </div>
59
60 <div class="window" id="left">
61 <div id="title2" class="title"><img src="http://pic002.cnblogs.com/images/2012/451207/2012100814082487.jpg" alt="关闭" />计划 博客园-居左窗口</div>
62 <div class="content">jihua.cnblogs.com</div>
63 </div>
64 <div class="window" id="right">
65 <div id="title3" class="title"><img src="http://pic002.cnblogs.com/images/2012/451207/2012100814082487.jpg" alt="关闭" />计划 博客园-居右窗口</div>
66 <div class="content">jihua.cnblogs.com</div>
67 </div>
68 <script type="text/javascript">
69 //获取窗口的高度
70 var windowHeight;
71 //获取窗口的宽度
72 var windowWidth;
73 //获取弹窗的宽度
74 var popWidth;
75 //获取弹窗高度
76 var popHeight;
77 function init(){
78 windowHeight=$(window).height();
79 windowWidth=$(window).width();
80 popHeight=$(".window").height();
81 popWidth=$(".window").width();
82 }
83 //关闭窗口的方法
84 function closeWindow(){
85 $(".title img").click(function(){
86 $(this).parent().parent().hide("slow");
87 });
88 }
89 //定义弹出居中窗口的方法
90 function popCenterWindow(){
91 init();
92 //计算弹出窗口的左上角Y的偏移量
93 var popY=(windowHeight-popHeight)/2;
94 var popX=(windowWidth-popWidth)/2;
95 //alert('jihua.cnblogs.com');
96 //设定窗口的位置
97 $("#center").css("top",popY).css("left",popX).slideToggle("slow");
98 closeWindow();
99 }
100 function popLeftWindow(){
101 init();
102 //计算弹出窗口的左上角Y的偏移量
103 var popY=windowHeight-popHeight;
104 //var popX=-(windowWidth-popWidth);
105 //alert(popY);
106 //设定窗口的位置
107 $("#left").css("top",popY-50).css("left",50).slideToggle("slow");
108 closeWindow();
109 }
110 function popRightWindow(){
111 init();
112 //计算弹出窗口的左上角Y的偏移量
113 var popY=windowHeight-popHeight;
114 var popX=windowWidth-popWidth;
115 //alert(www.cnblogs.com/jihua);
116 //设定窗口的位置
117 $("#right").css("top",popY-50).css("left",popX-50).slideToggle("slow");
118 closeWindow();
119 } </script>
120 </body>
121 </html>
效果体验：http://keleyi.com/keleyi/phtml/jqtexiao/1.htm