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JS實(shí)現(xiàn)的3D拖拽翻頁效果代碼

 更新時(shí)間：2015年10月31日 10:37:28   作者：企鵝  
這篇文章主要介紹了JS實(shí)現(xiàn)的3D拖拽翻頁效果,通過鼠標(biāo)事件結(jié)合時(shí)間函數(shù)動(dòng)態(tài)操作頁面元素實(shí)現(xiàn)拖拽翻頁的效果,需要的朋友可以參考下

本文實(shí)例講述了JS實(shí)現(xiàn)的3D拖拽翻頁效果。分享給大家供大家參考，具體如下：

以前看到一個(gè)很火的帖子，拖拽實(shí)現(xiàn)的翻頁效果，非常的有創(chuàng)意，自己也很喜歡，于是乎就萌發(fā)了用自己的方法模仿的想法。感謝原創(chuàng)作者的創(chuàng)意，結(jié)果一樣，但過程不一樣哦。奉上代碼，供大家參考。

運(yùn)行效果截圖如下：

在線演示地址如下：

http://demo.jb51.net/js/2015/js-3d-drag-page-style-codes/

具體代碼如下：

<!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=gb2312" />
<title>拖拽翻頁</title>
<style type="text/css">
*{margin:0;padding:0;}
body{font-size:12px; overflow:hidden;}
img{border:0;}
li{list-style:none;}
#drag{
 width:682px;
 color:#fff;
 position:relative;
 margin:50px auto 0 auto;
 font-family:"Microsoft YaHei", "宋體";
}
#drag ul{
}
#drag ul li{
 text-align:right;
 height:30px;
 line-height:30px;
 overflow:hidden;
 vertical-align:middle;
 font-size:14px;
 border-bottom:1px dashed #fff;
}
#drag ul li span{
 float:right;
}
#drag ul li a{
 float:left;
 color:#fff;
 text-decoration:none;
}
#drag div{
 width:600px;
 height:350px;
 padding:40px;
 background:#77521d;
 cursor:e-resize;
 border:1px solid #999;
 position:absolute;
 left:0;
 top:0;
}
#drag div p{
 width:100%;
 padding-bottom:20px;
 text-align:center;
 position:absolute;
 bottom:0;
 left:0;
}
</style>
<script type="text/javascript">
window.onload=function()
{
 var oDrag=document.getElementById('drag');
 var aDiv=oDrag.getElementsByTagName('div');
 var aLink=oDrag.getElementsByTagName('a');
 var i=0;
 for(i=0;i<aDiv.length;i++)
 {
  aDiv[i].style.zIndex=(i+1);
  aDiv[i].innerHTML+='<p>第 '+(i+1)+'/'+aDiv.length+' 頁 提示：左右拖拽翻頁</p>';
  aDiv[i].onmousedown=drag;
 }
 for(i=0;i<aLink.length;i++)
 {
  aLink[i].onmousedown=function(ev)
  {
   var oEvent=ev||event;
   oEvent.stopPropagation?oEvent.stopPropagation():oEvent.cancelBubble=true;
  };
 }
};
function drag(ev)
{
 var obj=this;
 var mouseStart=[];
 var objStart=[];
 var oEvent=ev||event;
 mouseStart.x=oEvent.clientX;
 objStart.x=this.offsetLeft;
 document.onmousemove=function(ev)
 {
  var oEvent=ev||event;
  var l=oEvent.clientX-mouseStart.x+objStart.x;
  var t=oEvent.clientY-mouseStart.y+objStart.y;
  obj.style.left=l+'px';
  return false;
 };
 document.onmouseup=function()
 {
  document.onmousemove=document.onmouseup=null;
  startMove(obj);
 };
 return false;
}
function startMove(obj)
{
 var oDrag=document.getElementById('drag');
 var aDiv=oDrag.getElementsByTagName('div');
 var iSpeed=0;
 obj.timer=setInterval(function(){
  obj.onmousedown=null;
  obj.offsetLeft>=0?iSpeed+=10:iSpeed-=10;
  var l=obj.offsetLeft+iSpeed;
  if(l>obj.offsetWidth)
  {
   l=obj.offsetWidth;
   moveDirection(iSpeed);
  }
  else if(l<-obj.offsetWidth)
  {
   l=-obj.offsetWidth;
   moveDirection(iSpeed);
  }
  obj.style.left=l+'px';
 },30);
 function moveDirection(iSpeed)
 {
  for(i=0;i<aDiv.length;i++)
  {
   aDiv[i].style.zIndex=parseInt(aDiv[i].style.zIndex)+1;
   if(aDiv[i]==obj)
   {
    obj.style.zIndex=parseInt(obj.style.zIndex)-aDiv.length;
   }
  }
  clearInterval(obj.timer);
  t=setInterval(function(){
   obj.onmousedown=null;
   var l=obj.offsetLeft-iSpeed;
   if((iSpeed<0 && l>0) || (iSpeed>0 && l<0))
   {
    l=0;
    clearInterval(t);
    obj.onmousedown=drag;
   }
   obj.style.left=l+'px';
  },30);
 }
}
</script>
</head>
<body>
<div id="drag">
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希望本文所述對(duì)大家JavaScript程序設(shè)計(jì)有所幫助。

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