css sprites把很多小圖集成在一張圖片上
互聯(lián)網(wǎng) 發(fā)布時間：2009-04-02 19:36:39 作者：佚名 
我要評論
我要評論網(wǎng)頁制作Webjx文章簡介：在google中搜索一下css sprites這個名稱，會查出很多信息，并且隨著SEO越來越被人們重視，采用這種技術(shù)來進(jìn)行圖片優(yōu)化的網(wǎng)站越來越多，國內(nèi)幾家大型門戶網(wǎng)站無不仿效。如新浪，網(wǎng)易，搜狐。你下載一下他們的網(wǎng)站上的圖
在google中搜索一下css sprites這個名稱，會查出很多信息，并且隨著SEO越來越被人們重視，采用這種技術(shù)來進(jìn)行圖片優(yōu)化的網(wǎng)站越來越多，國內(nèi)幾家大型門戶網(wǎng)站無不仿效。如新浪，網(wǎng)易，搜狐。你下載一下他們的網(wǎng)站上的圖片，你會看到他們將很多小圖片全部集成在一張圖片上
動起來
加入了撲克牌拖動js功能，更像空當(dāng)接龍小游戲了。順便感謝一下草履蟲，這段代碼是從他哪兒抄來的，哈哈！
運行代碼框
<!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>制作一幅撲克牌</title> <style type="text/css"> .card{width:125px;height:170px; position:absolute;overflow:hidden;border:1px #c0c0c0 solid;} /*中間圖片通用設(shè)置*/ span{display:block;width:20px;height:21px; position:absolute;background:url(http://www.blueidea.com/articleimg/2009/02/6382/00.gif) no-repeat;} /*小圖片通用設(shè)置*/ b{display:block;width:15px;height:10px; position:absolute;font-size:10pt;text-align:center;font-weight:bold;background:url(http://www.blueidea.com/articleimg/2009/02/6382/00.gif) no-repeat; overflow:hidden;} /*數(shù)字通用設(shè)置*/ em{display:block;width:15px;height:10px; position:absolute;font-size:10pt;text-align:center;font-weight:bold;background:url(http://www.blueidea.com/articleimg/2009/02/6382/00.gif) no-repeat;overflow:hidden;} /*各坐標(biāo)點位置*/ .N1{left:1px;top:8px;} .First{left:5px;top:20px;} .A1{left:20px;top:20px;} .A2{left:20px;top:57px;} .A3{left:20px;top:94px;} .A4{left:20px;top:131px;} .AM{left:20px;top:75px;} .AM1{left:54px;top:20px;} .B1{left:54px;top:38px;} .B2{left:54px;top:117px;} .BM{left:54px;top:75px;} .C1{left:86px;top:20px;} .C2{left:86px;top:57px;} .C3{left:86px;top:94px;} .C4{left:86px;top:131px;} .CM{left:86px;top:75px;} .CM1{left:54px;top:131px;} .Last{bottom:21px;right:0px;} .N2{bottom:8px;right:4px; } /*大圖標(biāo)黑紅梅方四種圖片-上方向*/ .up1{background-position:0 1px;}/*黑桃*/ .up2{background-position:-19px 1px;}/*紅桃*/ .up3{background-position:-39px 1px;}/*梅花*/ .up4{background-position:-58px 1px;width:19px;}/*方塊* /*大圖標(biāo)黑紅梅方四種圖片-下方向*/ .down1{background-position:0 -19px;}/*黑桃*/ .down2{background-position:-19px -19px;}/*紅桃*/ .down3{background-position:-38px -19px;}/*梅花*/ .down4{background-position:-58px -19px;width:19px;}/*方塊*/ /*小圖標(biāo)黑紅梅方四種圖片-上方向*/ .small_up1{background-position:0 -40px;}/*黑桃*/ .small_up2{background-position:-19px -40px;}/*紅桃*/ .small_up3{background-position:-57px -40px;}/*梅花*/ .small_up4{background-position:-38px -40px;}/*方塊*/ /*小圖標(biāo)黑紅梅方四種圖片-下方向*/ .small_down1{background-position:0 -51px;}/*黑桃*/ .small_down2{background-position:-19px -51px;}/*紅桃*/ .small_down3{background-position:-57px -51px;}/*梅花*/ .small_down4{background-position:-38px -51px;}/*方塊*/ /*A~k數(shù)字圖片-左上角*/ .nA{background-position:-75px 0px;left:4px;} .n2{background-position:-87px 0px;} .n3{background-position:-100px 0px;} .n4{background-position:-113px 0px;} .n5{background-position:-126px 0px;} .n6{background-position:-139px 0px;} .n7{background-position:-152px 0px;} .n8{background-position:-165px 0px;} .n9{background-position:-178px 0px;} .n10{background-position:-191px 0px;left:-4px;width:21px;} .nJ{background-position:-214px 0px;left:4px;} .nQ{background-position:-227px 0px;left:2px;} .nK{background-position:-241px 0px;left:0px;} /*A~k數(shù)字圖片-右下角*/ .nA_h{background-position:-75px -22px;right:2px;} .n2_h{background-position:-87px -22px;} .n3_h{background-position:-100px -22px;} .n4_h{background-position:-113px -22px;} .n5_h{background-position:-126px -22px;} .n6_h{background-position:-139px -22px;} .n7_h{background-position:-152px -22px;} .n8_h{background-position:-165px -22px;} .n9_h{background-position:-178px -22px;} .n10_h{background-position:-191px -22px;right:3px;width:21px;} .nJ_h{background-position:-214px -22px;right:2px;} .nQ_h{background-position:-227px -22px;right:4px;} .nK_h{background-position:-241px -22px;right:6px;} /*A~k數(shù)字圖片-左上角紅色字*/ .nA_red{background-position:-75px -11px;} .n2_red{background-position:-87px -11px;} .n3_red{background-position:-100px -11px;} .n4_red{background-position:-113px -11px;} .n5_red{background-position:-126px -11px;} .n6_red{background-position:-139px 0px;} .n7_red{background-position:-152px -11px;} .n8_red{background-position:-165px 0px;} .n9_red{background-position:-178px -11px;} .n10_red{background-position:-191px 0px;} .nJ_red{background-position:-214px -11px;} .nQ_red{background-position:-227px -11px;} .nK_red{background-position:-240px -11px;} /*A~k數(shù)字圖片-右下角紅色字*/ .nA_h_red{background-position:-75px -33px;} .n2_h_red{background-position:-87px -33px;} .n3_h_red{background-position:-100px -33px;} .n4_h_red{background-position:-113px -33px;} .n5_h_red{background-position:-126px -33px;} .n6_h_red{background-position:-139px -33px;} .n7_h_red{background-position:-152px -33px;} .n8_h_red{background-position:-165px -33px;} .n9_h_red{background-position:-178px -33px;} .n10_h_red{background-position:-191px -33px;} .nJ_h_red{background-position:-214px -33px;} .nQ_h_red{background-position:-227px -33px;} .nK_h_red{background-position:-241px -33px;} /*J,Q,K的位置有點偏移*/ .J1{left:23px;top:23px;z-index:1;} .J4{left:80px;top:128px;} /*J,Q,K的中間圖片*/ .BJ{display:block;width:80px;height:130px;left:21px;top:20px;border:1px #000 solid;background:url(http://www.blueidea.com/articleimg/2009/02/6382/00.gif) no-repeat 0px -62px;} .BQ{display:block;width:80px;height:130px;left:21px;top:20px;border:1px #000 solid;background:url(http://www.blueidea.com/articleimg/2009/02/6382/00.gif) no-repeat -80px -62px;} .BK{display:block;width:80px;height:130px;left:21px;top:20px;border:1px #000 solid;background:url(http://www.blueidea.com/articleimg/2009/02/6382/00.gif) no-repeat -160px -62px;} .back{width:100%;height:100%;background:url(http://www.blueidea.com/articleimg/2009/02/6382/cardback.gif);} #idDrag1{left:10px;top:15px;} #idDrag2{left:150px;top:15px;} #idDrag3{left:290px;top:15px;} #idDrag4{left:430px;top:15px;} #idDrag5{left:570px;top:15px;} #idDrag6{left:10px;top:45px;} #idDrag7{left:150px;top:45px;} #idDrag8{left:290px;top:45px;} #idDrag9{left:430px;top:45px;} #idDrag10{left:570px;top:45px;} #idDrag11{left:10px;top:75px;} #idDrag12{left:150px;top:75px;} #idDrag13{left:290px;top:75px;} #idDrag14{left:430px;top:75px;} #idDrag15{left:570px;top:75px;} </style> <script type="text/javascript"><!-- /*-------------------------------------------------------------- * 程序名:拖拽區(qū)域塊 * 修改者:草履蟲 * email:caolvchong@gmail.com * 主頁:http://cceer.xmu.edu.cn/blog/ * 原始來源:http://bbs.blueidea.com/thread-2817125-1-1.html * 增加功能:拖拽后的z-index設(shè)置 * Plus:有疑問或者建議請聯(lián)系email * -------------------------------------------------------------- */ //<![CDATA[ function move(id){ this.node = document.getElementById(id); this.name = id; this.node.style.cursor = "move"; this.zindex = parseInt(this.node.getAttribute("id").replace(/\D/g,"")); this.node.style.zIndex = this.zindex; this.node.me = this; this.node.onmousedown = this.mouse_down; } move.prototype.mouse_down = function(e){ e = window.event?window.event:e; this.me.node.style.zIndex = 10000;// --->被修改了,原來100,現(xiàn)在10000 this.me.node.sub_x = e.clientX - this.me.node.offsetLeft; this.me.node.sub_y = e.clientY - this.me.node.offsetTop; this.me.node.onmousemove = this.me.mouse_move; this.me.node.onmouseup = this.me.mouse_up; } move.prototype.mouse_move = function(e){ e = window.event?window.event:e; this.me.node.style.cursor = "pointer"; this.me.node.style.left = e.clientX - this.me.node.sub_x "px"; this.me.node.style.top = e.clientY - this.me.node.sub_y "px"; this.me.node.onmouseup = this.me.mouse_up; } move.prototype.mouse_up = function(){ this.me.node.onmousemove = ""; this.me.node.style.cursor = "move"; this.me.node.style.zIndex = this.me.zindex; //還原被增加的z-index var z_index = this.me.zindex ; //獲取當(dāng)前z-index for(var i = 0; i < document.getElementsByTagName("div").length; i ){ //獲取最大z-index if(z_index < document.getElementsByTagName("div")[i].style.zIndex){ z_index = parseInt(document.getElementsByTagName("div")[i].style.zIndex); } } this.me.node.style.zIndex = z_index 1; //移動后的z-index,而不是還原 } window.onload = function(){ new move("idDrag1"); new move("idDrag2"); new move("idDrag3"); new move("idDrag4"); new move("idDrag5"); new move("idDrag6"); new move("idDrag7"); new move("idDrag8"); new move("idDrag9"); new move("idDrag10"); new move("idDrag11"); new move("idDrag12"); new move("idDrag13"); new move("idDrag14"); new move("idDrag15"); } // --></script> </head> <body> <!--A字符--> <div class="card" id="idDrag1"> <div class="front"> <b class="N1 nA"></b> <em class="First small_up1"></em> <span class="BM up1"></span> <em class="Last small_down1"></em> <b class="N2 nA_h"></b> </div> </div> <!--2字符--> <div class="card" id="idDrag2"> <div class="front"> <b class="N1 n2_red"></b> <em class="First small_up2"></em> <span class="AM1 up2"></span> <span class="CM1 down2"></span> <em class="Last small_down2"></em> <b class="N2 n2_h_red"></b> </div> </div> <!--3字符--> <div class="card" id="idDrag3"> <div class="front"> <b class="N1 n3"></b> <em class="First small_up3"></em> <span class="AM1 up3"></span> <span class="BM up3"></span> <span class="CM1 down3"></span> <em class="Last small_down3"></em> <b class="N2 n3_h"></b> </div> </div> <!--4字符--> <div class="card" id="idDrag4"> <div class="front"> <b class="N1 n4_red"></b> <em class="First small_up4"></em> <span class="A1 up4"></span> <span class="A4 down4"></span> <span class="C1 up4"></span> <span class="C4 down4"></span> <em class="Last small_down4"></em> <b class="N2 n4_h_red"></b> </div> </div> <!--5字符--> <div class="card" id="idDrag5"> <div class="front"> <b class="N1 n5"></b> <em class="First small_up1"></em> <span class="A1 up1"></span> <span class="A4 down1"></span> <span class="BM up1"></span> <span class="C1 up1"></span> <span class="C4 down1"></span> <em class="Last small_down1"></em> <b class="N2 n5_h"></b> </div> </div> <!--6字符--> <div class="card" id="idDrag6"> <div class="front"> <b class="N1 n6"></b> <em class="First small_up1"></em> <span class="A1 up1"></span> <span class="AM up1"></span> <span class="A4 down1"></span> <span class="C1 up1"></span> <span class="CM up1"></span> <span class="C4 down1"></span> <em class="Last small_down1"></em> <b class="N2 n6_h"></b> </div> </div> <!--7字符--> <div class="card" id="idDrag7"> <div class="front"> <b class="N1 n7_red"></b> <em class="First small_up2"></em> <span class="A1 up2"></span> <span class="AM up2"></span> <span class="A4 down2"></span> <span class="BM up2"></span> <span class="C1 up2"></span> <span class="CM up2"></span> <span class="C4 down2"></span> <em class="Last small_down2"></em> <b class="N2 n7_h_red"></b> </div> </div> <!--8字符--> <div class="card" id="idDrag8"> <div class="front"> <b class="N1 n8"></b> <em class="First small_up3"></em> <span class="A1 up3"></span> <span class="A2 up3"></span> <span class="A3 down3"></span> <span class="A4 down3"></span> <span class="C1 up3"></span> <span class="C2 up3"></span> <span class="C3 down3"></span> <span class="C4 down3"></span> <em class="Last small_down1"></em> <b class="N2 n8_h"></b> </div> </div> <!--9字符--> <div class="card" id="idDrag9"> <div class="front"> <b class="N1 n9_red"></b> <em class="First small_up4"></em> <span class="A1 up4"></span> <span class="A2 up4"></span> <span class="A3 down4"></span> <span class="A4 down4"></span> <span class="BM up4"></span> <span class="C1 up4"></span> <span class="C2 up4"></span> <span class="C3 down4"></span> <span class="C4 down4"></span> <em class="Last small_down4"></em> <b class="N2 n9_h_red"></b> </div> </div> <!--10字符--> <div class="card" id="idDrag10"> <div class="front"> <b class="N1 n10"></b> <em class="First small_up1"></em> <span class="A1 up1"></span> <span class="A2 up1"></span> <span class="A3 down1"></span> <span class="A4 down1"></span> <span class="B1 up1"></span> <span class="B2 down1"></span> <span class="C1 up1"></span> <span class="C2 up1"></span> <span class="C3 down1"></span> <span class="C4 down1"></span> <em class="Last small_down1"></em> <b class="N2 n10_h"></b> </div> </div> <!--J字符--> <div class="card" id="idDrag11"> <div class="front"> <b class="N1 nJ"></b> <em class="First small_up1"></em> <span class="J1 up1"></span> <span class="BJ"></span> <span class="J4 down1"></span> <em class="Last small_down1"></em> <b class="N2 nJ_h"></b> </div> </div> <!--Q字符--> <div class="card" id="idDrag12"> <div class="front"> <b class="N1 nQ_red"></b> <em class="First small_up2"></em> <span class="J1 up2"></span> <span class="BQ"></span> <span class="J4 down2"></span> <span class="Last small_down2"></span> <b class="N2 nQ_h_red"></b> </div> </div> <!--K字符--> <div class="card" id="idDrag13"> <div class="front"> <b class="N1 nK"></b> <em class="First small_up3"></em> <span class="J1 up3"></span> <span class="BK"></span> <span class="J4 down3"></span> <em class="Last small_down3"></em> <b class="N2 nK_h"></b> </div> </div> <!--K字符--> <div class="card" id="idDrag14"> <div class="front"> <b class="N1 nK nK_red"></b> <em class="First small_up4"></em> <span class="J1 up4"></span> <span class="BK"></span> <span class="J4 down4"></span> <em class="Last small_down4"></em> <b class="N2 nK_h nK_h_red"></b> </div> </div> <!--背面圖案--> <div class="card" id="idDrag15"> <div class="back"> </div> </div> </body> </html>
[Ctrl A 全部選擇 提示：你可先修改部分代碼，再按運行]
<style type="text/css">
.card{width:125px;height:170px; position:absolute;overflow:hidden;border:1px #c0c0c0 solid;}
/*中間圖片通用設(shè)置*/
span{
display:block;
width:20px;
height:30px;
line-height:30px;
position:absolute;
font-size:26px;
left: 22px;
top: 130px;
}
/*小圖片通用設(shè)置*/
/*數(shù)字通用設(shè)置*/
b{display:block;width:15px;height:10px; position:absolute;font-size:10px;text-align:center;font-weight:bold;overflow:hidden;}
/*各坐標(biāo)點位置*/
.A1{left:21px;top:10px;}
.A2{left:21px;top:50px;}
.A3{left:21px;top:90px;}
.A4{left:21px;top:130px;}
.B1{left:51px;top:76px;}
.C1{left:83px;top:10px;}
.C2{left:83px;top:50px;}
.C3{left:83px;top:90px;}
.C4{left:83px;top:130px;}
.scroll{FILTER:progid:DXImageTransform.Microsoft.BasicImage(Rotation=2);height:1px}
.index {
font-size: 16px;
font-weight: bold;
text-align: center;
width:14px;
height:36px;
position: absolute;
left:5px;
top:0px;
}
.end {
font-size: 16px;
font-weight: bold;
text-align: center;
width:14px;
height:36px;
position: absolute;
right:5px;
bottom:0px;
}
.red { color: #ff0000; }
.font{font-size:34px;}
</style>
<div class="card">
<div class="front">
<b class="N1 n10"></b>
<em class="First small_up1"></em>
<span class="A1 up1"></span>
<span class="A2 up1"></span>
<span class="A3 down1"></span>
<span class="A4 down1"></span>
<span class="B1 up1"></span>
<span class="B2 down1"></span>
<span class="C1 up1"></span>
<span class="C2 up1"></span>
<span class="C3 down1"></span>
<span class="C4 down1"></span>
<em class="Last small_down1"></em>
<b class="N2 n10_h"></b>
</div>
</div>
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