做了一個用鼠標拖拽配合 CSS3 的小嘗試，截圖如下：
熟悉拖拽效果的朋友應該不會陌生鼠標按住以后，左右拖動的實現方式。
這個小demo里嘗試的是把CSS3中的相關知識點運用到圖片展示中，
當拖動圖片時，顯示出立體的感覺～～
直接代碼如下：
#list{ width:400px; height:440px; margin:30px auto 30px; position:relative;z-index:500;}#list li{height:40px;width:400px; position:relative;cursor:pointer;-webkit-perspective:800px; }#list li div{height:40px;width:400px; -webkit-transform-style:preserve-3d;-webkit-backface-visibility:hidden;position:relative;-webkit-transform:translateZ(-200px);-webkit-transform:50ms all linear;}#list span{height:40px; width:400px; position:absolute;left:0;top:0; overflow:hidden;}#list div span:nth-child(1){background:url(img/1.jpg) no-repeat; -webkit-transform:translateZ(200px);}#list div span:nth-child(2){background:url(img/2.jpg) no-repeat;-webkit-transform-origin:right;-webkit-transform:translateZ(200px) rotateY(-90deg);}#list div span:nth-child(3){background:url(img/3.jpg) no-repeat;-webkit-transform-origin:right;-webkit-transform:translateZ(-200px);}#list div span:nth-child(4){background:url(img/4.jpg) no-repeat;-webkit-transform-origin:left;-webkit-transform:translateZ(200px) rotateY(90deg);}#list em{ width:400px;height:400px; position:absolute;left:0;background:#666;}#list li em:nth-of-type(1){-webkit-transform-origin:top;-webkit-transform:translateZ(200px) rotateX(-90deg); top:0;}#list li em:nth-of-type(2){-webkit-transform-origin:bottom;-webkit-transform:translateZ(200px) rotateX(90deg); bottom:0;}#list li:nth-last-child(1){ z-index:10;}#list li:nth-last-child(2){ z-index:20;}#list li:nth-last-child(3){ z-index:30;}#list li:nth-last-child(4){ z-index:40;}#list li:nth-last-child(5){ z-index:50;}#list li:nth-last-child(6){ z-index:60;}#list li:nth-child(2) span{ background-position:0 -40px;}#list li:nth-child(3) span{ background-position:0 -80px;}#list li:nth-child(4) span{ background-position:0 -120px;}#list li:nth-child(5) span{ background-position:0 -160px;}#list li:nth-child(6) span{ background-position:0 -200px;}#list li:nth-child(7) span{ background-position:0 -240px;}#list li:nth-child(8) span{ background-position:0 -280px;}#list li:nth-child(9) span{ background-position:0 -320px;}#list li:nth-child(10) span{ background-position:0 -360px;}#list li:nth-child(11) span{ background-position:0 -400px;}#btns{ width:130px; margin:0 auto;}#btns li{ width:20px;height:20px;background:#fff; font-size:14px; font-weight:bold; text-align:center; line-height:20px; float:left; color:#f60; margin:0 3px; cursor:pointer;}#btns .active{ background:#f60;color:#fff;}HTML
<ul id="list"> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li> <li> <div> <span></span> <span></span> <span></span> <span></span> <em></em> <em></em> </div> </li></ul><ol id="btns"> <li class="active">1</li> <li>2</li> <li>3</li> <li>4</li></ol>
JAVASCRIPT
var oList=document.getElementById("list");var oBtns=document.getElementById("btns");tabPic(oList,oBtns);function tabPic(obj,btns){ var aLi=obj.getElementsByTagName("li"); var aBtn=btns.getElementsByTagName("li"); var oUl=document.getElementsByTagName('ul')[0]; var iDis=aLi[0].offsetWidth; var iDeg=90; aBtn.iNow=0; for(var i=0;i<aBtn.length;i++) { oUl.title=aBtn[i].title='妙味課堂-www.miaov.com'; aBtn[i].index=i; aBtn[i].onclick=function() { for(var i=0;i<aLi.length;i++) { starMove(aLi[i],-this.index*iDeg,aBtn); } }; } for(var i=0;i<aLi.length;i++) { aLi[i].index=i; aLi[i].iDeg=0; aLi[i].off=false; aLi[i].onmousedown=function(ev) { if(this.off) { return; } var ev=event||ev; var iNowX=ev.clientX; var iNowDeg=0; var oThis=this; var iLength=0; var iMin=0; var iMax=0; document.onmousemove=function(ev) { if(Math.abs(iNowDeg)>=80) { return; } var ev=event||ev; iNowDeg+=(ev.clientX-iNowX)/iDis*(iDeg-30); iLength=Math.abs(parseInt(iNowDeg/9)); iMin=oThis.index-iLength>0?oThis.index-iLength:0; iMax=oThis.index+iLength<aLi.length?oThis.index+iLength:aLi.length-1; for(var i=iMin;i<=iMax;i++) { aLi[i].iDeg+=(ev.clientX-iNowX)/iDis*(iDeg-30); setDeg(aLi[i]); } iNowX=ev.clientX; } document.onmouseup=function() { var iEnd=0; document.onmouseup=document.onmousemove=null; if( Math.abs(iNowDeg)>iDeg/4) { iEnd=iNowDeg>0?90-iNowDeg:-(90-Math.abs(iNowDeg)); } else { iEnd=-iNowDeg; } iEnd=Math.round(iEnd+oThis.iDeg); for(var i=0;i<aLi.length;i++) { starMove(aLi[i],iEnd,aBtn); } } return false; }; }}function starMove(obj,iTarget,aBtn){ if(obj.timer) { clearInterval(obj.timer); } obj.off=true; var iSpeed=0; var iNow= iTarget>=0? Math.abs((aBtn.length-iTarget/90)%aBtn.length): Math.abs((iTarget/90) % aBtn.length); if(iNow!=aBtn.iNow) { aBtn[aBtn.iNow].className=""; aBtn.iNow=iNow; aBtn[aBtn.iNow].className="active"; } obj.timer=setInterval( function() { iSpeed+=(iTarget-obj.iDeg)/12; iSpeed*=0.86; if(Math.abs(obj.iDeg-iTarget)<0.5 && Math.abs(iSpeed)<0.5) { clearInterval(obj.timer); obj.iDeg=iTarget; obj.off=false; } else { obj.iDeg+=iSpeed; } setDeg(obj); },24 );}function setDeg(obj){ var oDiv=obj.children[0]; with(oDiv.style) { WebkitTransform="translateZ(-200px) rotateY("+obj.iDeg+"deg)"; }}這效果只是一個嘗試，如有需要的朋友，可直接在下面留言，發送源碼。
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