Javascript教程_封装图片滑动效果值源码教程_Javascript教程_H5之家

Javascript教程_封装图片滑动效果源码教程

在腾讯QQ软件下载的页面有一个图片滑动的效果，觉得还不错就自己封装了一个
技术方面在动作缓冲上遇到一些问题  不过都解决了

我大体上看了下别人的思路就自己动手做了基本上是按照自己的想法来做的

考虑到很多朋友不太了解js  所以我封装的时候把所有参数都集中到一个函数里  免得大家调用的时候还要看源代码去设置参数
根据提供不同的参数会有不同的效果  没有封装特别多的效果  需要的朋友可以自己动手改正自己想要的
废话多了  具体看效果
横向滚动
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
<html xmlns="">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>picsGlide</title>
<style type="text/css">
body{ font-size:12px; color:#333;}
#picBox{width:610px; height:205px; margin:50px auto; overflow:hidden; position:relative;}
#picBox ul#show_pic{ margin:0; padding:0; list-style:none; height:205px; width:3050px; position:absolute;}
#picBox ul#show_pic li{ float:left; margin:0; padding:0; height:205px;}
#picBox ul#show_pic li img{ display:block;}
#icon_num{ position:absolute; bottom:0px; right:10px;}
#icon_num li{ float:left; background:url() no-repeat -15px 0;width:15px; height:15px; list-style:none; color:#39F; text-align:center; cursor:pointer; padding:0; margin:0;margin-right:5px;}
#icon_num li:hover,#icon_num li.active{ background:url() no-repeat 0 0; color:#fff;}
#picBox_top{width:610px; height:205px; margin:50px auto; position:relative; overflow:hidden;}
#picBox_top ul#show_pic_top{ margin:0; padding:0; list-style:none; height:205px; width:610px; position:absolute;}
#picBox_top ul#show_pic_top li{ float:left; margin:0; padding:0; height:205px;}
#picBox_top ul#show_pic_top li img{ display:block;}
#icon_num_top{ position:absolute; bottom:0px; right:10px;}
#icon_num_top li{ float:left; background:url() no-repeat -15px 0;width:15px; height:15px; list-style:none; color:#39F; text-align:center; cursor:pointer; padding:0; margin:0;margin-right:5px;}
#icon_num_top li:hover,#icon_num_top li.active{ background:url() no-repeat 0 0; color:#fff;}
</style>
</head>
<body>
<div id="picBox">
<ul id="show_pic" style="left:0;">
    <li><img src="" width="610" height="205" alt="" title="" /></li>
        <li><img src="" width="610" height="205" alt="" title="" /></li>
        <li><img src="" width="610" height="205" alt="" title="" /></li>
        <li><img src="" width="610" height="205" alt="" title="" /></li>
        <li><img src="" width="610" height="205" alt="" title="" /></li>
    </ul>
    <ul id="icon_num">
    <li class="active">1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>5</li>
    </ul>
</div>
<script type="text/javascript">
/**
*glide.layerGlide((oEventCont,oSlider,sSingleSize,sec,fSpeed,point);
*@param auto type:bolean 是否自动滑动当值是true的时候为自动滑动
*@param oEventCont type:object 包含事件点击对象的容器
*@param oSlider type:object 滑动对象
*@param sSingleSize type:number 滑动对象里单个元素的尺寸（width或者height）尺寸是有point 决定
*@param second type:number 自动滑动的延迟时间单位/秒
*@param fSpeed type:float   速率取值在0.05--1之间当取值是1时没有滑动效果
*@param point type:string   left or top
*/
var glide =new function(){
function $id(id){return document.getElementById(id);};
this.layerGlide=function(auto,oEventCont,oSlider,sSingleSize,second,fSpeed,point){
  var oSubLi = $id(oEventCont).getElementsByTagName('li');
  var interval,timeout,oslideRange;
  var time=1;
  var speed = fSpeed
  var sum = oSubLi.length;
  var a=0;
  var delay=second * 1000;
  var setValLeft=function(s){
   return function(){
    oslideRange = Math.abs(parseInt($id(oSlider).style[point]));
    $id(oSlider).style[point] =-Math.floor(oslideRange+(parseInt(s*sSingleSize) - oslideRange)*speed) +'px';
    if(oslideRange==[(sSingleSize * s)]){
     clearInterval(interval);
     a=s;
    }
   }
  };
  var setValRight=function(s){
   return function(){
    oslideRange = Math.abs(parseInt($id(oSlider).style[point]));
    $id(oSlider).style[point] =-Math.ceil(oslideRange+(parseInt(s*sSingleSize) - oslideRange)*speed) +'px';
    if(oslideRange==[(sSingleSize * s)]){
     clearInterval(interval);
     a=s;
    }
   }
  }

  function autoGlide(){
   for(var c=0;c<sum;c++){oSubLi[c].className='';};
   clearTimeout(interval);
   if(a==(parseInt(sum)-1)){
    for(var c=0;c<sum;c++){oSubLi[c].className='';};
    a=0;
    oSubLi[a].className="active";
    interval = setInterval(setValLeft(a),time);
    timeout = setTimeout(autoGlide,delay);
   }else{
    a++;
    oSubLi[a].className="active";
    interval = setInterval(setValRight(a),time);
    timeout = setTimeout(autoGlide,delay);
   }
  }

  if(auto){timeout = setTimeout(autoGlide,delay);};
  for(var i=0;i<sum;i++){
   oSubLi[i].onmouseover = (function(i){
    return function(){
     for(var c=0;c<sum;c++){oSubLi[c].className='';};
     clearTimeout(timeout);
     clearInterval(interval);
     oSubLi[i].className="active";
     if(Math.abs(parseInt($id(oSlider).style[point]))>[(sSingleSize * i)]){
      interval = setInterval(setValLeft(i),time);
      this.onmouseout=function(){if(auto){timeout = setTimeout(autoGlide,delay);};};
     }else if(Math.abs(parseInt($id(oSlider).style[point]))<[(sSingleSize * i)]){
       interval = setInterval(setValRight(i),time);
      this.onmouseout=function(){if(auto){timeout = setTimeout(autoGlide,delay);};};
     }
    }
   })(i)
  }
}
}
glide.layerGlide(true,'icon_num','show_pic',610,2,0.1,'left');
</script>
</body>
</html>