<!DOCTYPE html> <html> <head> <title>css实现页面加载中,请稍候效果</title> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="this is my page"> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body> <div id="loadPage" style="display:none;position:absolute; left:-1px; top:1px; width:100%; height:100%;moz-opacity: 0.3;filter:Alpha(opacity=50); opacity: 0.3; background-color:#555; z-index:1000;"> <img src="./images/06.gif" style="position: fixed;left: 48%;top:35%;"></img> </div> </body> </html>
默认是隐藏的，可通过js控制div的显示和隐藏，背景颜色和图片可自行调节。
原文：http://www.cnblogs.com/zhourunbest/p/4795149.html