日期:2014-05-16 浏览次数:20441 次
<!DOCTYPE html> <html> <head> <title>aaaaaa</title> <style type="text/css"> *{ margin:0; padding:0;} body { font:12px/1.8 Arial; color:#666;} h1.tit-h1 { font-size:38px; text-align:center; margin:30px 0 15px; color:#f60;} .go-back{ text-align:center; border-top:1px dashed #ccc; padding:10px; margin-top:20px; font-size:40px;} .wrap{border:1px dashed #ccc; background:#f8f8f8; padding:20px; z-index:1; } .demo{height:1500px; z-index:1; } .float{width:80px; padding:10px;padding-right:100px; border:1px solid #ffecb0; background-color:#fffee0;-moz-box-shadow:1px 1px 2px rgba(0,0,0,.2); -webkit-box-shadow:1px 1px 2px rgba(0,0,0,.2); box-shadow:1px 1px 2px rgba(0,0,0,.2); position:absolute; right:10%; top:131px; z-index:1;} .float1{ padding:10px;padding-right:100px; position:absolute; left:0px; z-index:100; background-color:#000;} </style> <script type="text/javascript" src="jquery-1.4.4.min.js"></script> </head> <body> <div><h1>header</h1></div> <div class="wrap"> <div class="demo"></div> <div class="float" id="float">aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> aaa<br/> </div> </div> <div class="float1" id = "float1"> <h1>footer</h1> <p>footerfooterfooterfooterfooterfooter footerfooterfooterfooter footerfooterfooter footerfooterfooterfooter footerfooterfooterfooter footerfooterfooter footerfooterfooter footerfootereroter footerfooterfooter footerfooterfooterfooter footerfooterfooterer footerfooterfooterer</p> <p>footerfooterfooter footerfooterfooterfooter footerfooterfooterfooter footerfooter footerfooterfooterfooter footerfooterfooterfooter footerfooterfooterfooterfooterfooter footerfooteroterfooter footeroterfooterfooter footerfooterfooterfooterfooterfooter footerfooterer </p> <p>footerfooterfooterfooter footerfooterfooterfooterfooter footerfooterfooterfooter footerfooterfooterfooter footerfooterfooterfooter footerfooterfooterfooterfooterfooter footerfooterfooterrfooter footerfooteroterfooterfooter footerfooterfooterfooterfooter footerfooterfooterer </p> </div> <script type="text/javascript"> $.fn.smartFloat = function() { var position = function(element) { var top = element.position().top, pos = element.css("position"); $(window).scroll(function() { var scrolls = $(this).scrollTop(); if (scrolls > top) { if (window.XMLHttpRequest) { element.css({ position: "fixed", top: 0 }); } else { element.css({ top: scrolls }); } }else { element.css({ position: pos, top: top }); } }); }; return $(this).each(function() { position($(this)); }); }; $("#float").smartFloat()