js页面加载进度条

 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="X-UA-Compatible" content="IE=9" />
 5     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 6     <title>页面加载进度条</title>
 7     <script src="js/jquery-1.4.2.min.js" type="text/javascript"></script>
 8     <script type="text/javascript">
 9         var etControl = {};
10         etControl.process = function (config) {
11             /*需要放在html中的body标签后面使用本控件*/
12 
13             var count = 0;
14             var id = "loading";
15             var el = "#" + id;
16 
17             $("body").append('<div id="' + id + '"></div>');
18 
19             var divTxt = "#" + id + " div";
20             $(el).html("<div></div>");
21             $(el).attr("style", " 100px;height: 12px;background: #A0DB0E;padding: 5px;position: fixed;left: 0;top: 0;font-size:12px;");
22             $(divTxt).attr("style", " 1px;height: 12px;background: #F1FF4D;");
23 
24             /*更新进度条*/
25             this.updateProcess = function (percent) {
26                 setTimeout(function () { $(divTxt).animate({  percent + "px" }).text(percent + "%") }, ++count * 500);
27                 if (percent == 100) {           /*100%就从页面移除loading标签*/
28                     setTimeout(function () {
29                         $(el).hide(500);
30                         setTimeout(function () { $(el).remove() }, 500);
31                     }, count * 500 + 800);
32                 }
33             };
34         }
35 
36     </script>
37 </head>
38 <body>
39 
40 </body>
41 
42 <script type="text/javascript">
43     /*需要放在body标签后面，然后在适当的位置调用updateProcess方法*/
44     var p = new etControl.process();
45     p.updateProcess(34);
46     p.updateProcess(57);
47     p.updateProcess(62);
48     p.updateProcess(90);
49     p.updateProcess(100);
50 </script>
51 
52 </html>


复制过来就是方便自己查看而已

来自http://www.cnblogs.com/timy/archive/2011/12/07/2279200.html
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