<!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>鼠標通過圖片變灰效果 css和jquery</title> <style type="text/css"> body { height: 100%; margin: 0; padding: 0; font: normal 10px Verdana, Arial, Helvetica, sans-serif; background: #fff; position: relative; } h1 { text-align: center; font-weight: normal; font-size: 2.5em; } h1 small { display: block; font-size: 0.7em; color: #999; } img {border: none;} ul.gallery { width: 708px; list-style: none; margin: 0 auto; padding: 0; } ul.gallery li { float: left; margin: 10px; padding: 0; text-align: center; border: 1px solid #ccc; -moz-border-radius: 3px; /*--CSS3 Rounded Corners--*/ -khtml-border-radius: 3px; /*--CSS3 Rounded Corners--*/ -webkit-border-radius: 3px; /*--CSS3 Rounded Corners--*/ display: inline; /*--Gimp Fix aka IE6 Fix--*/ } ul.gallery li a.thumb { width: 204px; height: 182px; padding: 5px; border-bottom: 1px solid #ccc; cursor: pointer; } ul.gallery li span { /*--Used to crop image--*/ width: 204px; height: 182px; overflow: hidden; display: block; } ul.gallery li a.thumb:hover { background: #333; } ul.gallery li h2 { font-size: 1em; font-weight: normal; text-transform: uppercase; margin: 0; padding: 10px; background: #f0f0f0; border-top: 1px solid #fff; /*--Subtle bevel effect--*/ } ul.gallery li a {text-decoration: none; color: #777; display: block;} </style> <script type="text/javascript" src="jquery.1.3.2.min.js"></script> <script type="text/javascript"> $(document).ready(function() { $("ul.gallery li").hover(function() { //On hover...這裏面的this是指ul.gallery li var thumbOver = $(this).find("img").attr("src"); //Get image url and assign it to 'thumbOver' attr() 方法設置或返回被選元素的屬性值。也可用於設置屬性。 //Set a background image(thumbOver) on the <a> tag $(this).find("a.thumb").css({'background' : 'url(' + thumbOver + ') no-repeat center bottom'});//由於這裏的每一個a裏面的背景不同是動態的,因此須要獲取img裏面的src。 //Fade the image to 0 $(this).find("span").stop().fadeTo('normal', 0 , function() { //stop() 方法中止當前正在運行的動畫。 fadeIn() 方法使用淡出效果來隱藏被選元素,假如該元素是隱藏的。語法:$(selector).fadeTo(speed,opacity,callback) speed可選,opacity必填,callback可選。爲fadeTo 函數執行完以後,要執行的函數。 $(this).hide(); //Hide the image after fade }); }//注意這裏。hover裏面須要兩個函數,這裏是第一個函數的範圍。 , function() { //on hover out... //Fade the image to 1 $(this).find("span").stop().fadeTo('normal', 1).show(); }); }); /*--方法:每個img裏面的圖片都包含一個彩色和灰度的圖片,而後將每個img裏面灰度的圖片賦值給a的背景,而後當鼠標通過每個img時,a上面的img就會產生漸隱效果到消失就會跟着露出a的背景,這樣子就感受是動態使背景透出了,感受是鼠標通過把圖片處理成灰白了,其實則否則。呵呵---*/ </script> </head> <body> <h1><a href="http://www.sohtanaka.com/web-design/greyscale-hover-effect-w-css-jquery/" style="color: #333; text-decoration: none;">Greyscale Hover Effect w/ CSS & jQuery</a> <small>Tutorial by <a href="http://www.sohtanaka.com" style="color: #999;">Soh Tanaka</a></small></h1> <ul class="gallery"> <li> <a href="http://www.designbombs.com/portfolio/sushi-robots/" class="thumb"><span><img src="sushiandrobots_thumb.gif" alt="" /></span></a> <h2><a href="http://www.designbombs.com/portfolio/sushi-robots/">Sushi & Robots</a></h2> </li> <li> <a href="http://www.designbombs.com/blog/garys-real-life/" class="thumb"><span><img src="garysreallife_thumb.gif" alt="" /></span></a> <h2><a href="http://www.designbombs.com/blog/garys-real-life/">Gary's Life</a></h2> </li> <li> <a href="http://www.designbombs.com/ecommerce/cube-scripts/" class="thumb"><span><img src="cubescripts_thumb.gif" alt="" /></span></a> <h2><a href="http://www.designbombs.com/ecommerce/cube-scripts/">Cube Scripts</a></h2> </li> <li> <a href="http://www.designbombs.com/portfolio/ryan-keiser/" class="thumb"><span><img src="ryankeiser_thumb.gif" alt="" /></span></a> <h2><a href="http://www.designbombs.com/portfolio/ryan-keiser/">Ryan Keiser</a></h2> </li> <li> <a href="http://www.designbombs.com/blog/ricardo-gimenes/" class="thumb"><span><img src="ricardogimenes_thumb.gif" alt="" /></span></a> <h2><a href="http://www.designbombs.com/blog/ricardo-gimenes/">Ricardo Gimenes</a></h2> </li> <li> <a href="http://www.designbombs.com/blog/food-tease/" class="thumb"><span><img src="foodtease_thumb.gif" alt="" /></span></a> <h2><a href="http://www.designbombs.com/blog/food-tease/">Food Tease</a></h2> </li> <li> <a href="http://www.designbombs.com/ecommerce/lemonstand/" class="thumb"><span><img src="lemonstandapp_thumb.gif" alt="" /></span></a> <h2><a href="http://www.designbombs.com/ecommerce/lemonstand/">Lemon Stand</a></h2> </li> <li> <a href="http://www.designbombs.com/blog/hey-indy/" class="thumb"><span><img src="heyindy_thumb.gif" alt="" /></span></a> <h2><a href="http://www.designbombs.com/blog/hey-indy/">Hey Indy</a></h2> </li> <li> <a href="http://www.designbombs.com/design-firm/ngen-works/" class="thumb"><span><img src="ngenworks_thumb.gif" alt="" /></span></a> <h2><a href="http://www.designbombs.com/design-firm/ngen-works/">nGen Works</a></h2> </li> </ul> </body> </html>