Jquery页面加载效果
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1、说明
Jquery页面加载可实现异步请求时提示“请稍后,正在加载...”效果,同步请求不可用(即ajax async: false)。本文地址:http://www.cnblogs.com/lengzhan/p/6423312.html
2、代码
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" > <html xmlns= "http://www.w3.org/1999/xhtml" > <head> <meta http-equiv= "Content-Type" content= "text/html; charset=utf-8" /> <title>jquery页面加载特效</title> <style type= "text/css" > * { margin: 0; padding: 0; list-style-type: none; } a, img { border: 0; } .loading { margin: 100px auto 0 auto; width: 400px; text-align: center; font-size: 18px; } .loading .action { text-decoration: none; font-family: "微软雅黑" , "宋体" ; } .cover { position: fixed ; top: 0; right: 0; bottom: 0; left: 0; z-index: 998; width: 100%; height: 100%; _padding: 0 20px 0 0; background: #f6f4f5; display: none; } .showLoad { position: fixed ; top: 0; left: 50%; z-index: 9999; opacity: 0; filter: alpha(opacity=0); margin-left: -80px; } *html, *html body { background-image: url(about:blank); background-attachment: fixed ; } *html .showLoad, *html .cover { position: absolute; top: expression(eval(document.documentElement.scrollTop)); } #ajaxLoad { border: 1px solid #8CBEDA; font-size: 12px; font-weight: bold; } #ajaxLoad div.loadAll { width: 180px; height: 50px; line-height: 50px; border: 2px solid #D6E7F2; background: #fff; } #ajaxLoad img { margin: 10px 15px; float : left; display: inline; } </style> <script type= "text/javascript" > $(function () { var hei = $(document).height(); $( ".cover" ).css({ "height" : hei }); $( ".action" ).click(function () { startWaiting(); setTimeout(function () { endWaiting(); }, 3000); }); }); //开始加载 function startWaiting() { $( ".cover" ).css({ \'display\' : \'block\' , \'opacity\' : \'0.8\' }); $( ".showLoad" ).stop( true ).animate({ \'margin-top\' : \'300px\' , \'opacity\' : \'1\' }, 200); } //结束加载 function endWaiting() { $( ".showLoad" ).stop( true ).animate({ \'margin-top\' : \'250px\' , \'opacity\' : \'0\' }, 400); $( ".cover" ).css({ \'display\' : \'none\' , \'opacity\' : \'0\' }); } </script> </head> <body> <div class = "loading" > <a class = "action" href= "javascript:void(0);" >点击加载特效</a></div> <div class = "cover" > </div> <div id= "ajaxLoad" class = "showLoad" > <div class = "loadAll" > <img src= "image/waiting.gif" >加载中,请稍候...</div> </div> </body> </html> |
3、DEMO
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