Javascript教程_封装图片滑动效果

文章类别：Javascript | 发表日期:2010-5-4 10:27:02

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" "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>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(http://pc.qq.com/pc/images/flashbutton.gif) 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(http://pc.qq.com/pc/images/flashbutton.gif) 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(http://pc.qq.com/pc/images/flashbutton.gif) 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(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat 0 0; color:#fff;}
</style>
</head>
<body>
<div id="picBox">
<ul id="show_pic" style="left:0;">
    <li><img src="http://inncache.soso.com/pc/images/manage.jpg" width="610" height="205" alt="" title="" /></li>
        <li><img src="http://inncache.soso.com/pc/images/player.jpg" width="610" height="205" alt="" title="" /></li>
        <li><img src="http://inncache.soso.com/pc/images/py.jpg" width="610" height="205" alt="" title="" /></li>
        <li><img src="http://inncache.soso.com/pc/images/xf.jpg" width="610" height="205" alt="" title="" /></li>
        <li><img src="http://inncache.soso.com/pc/images/TT.jpg" 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>

竖向滑动

<!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>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(http://pc.qq.com/pc/images/flashbutton.gif) 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(http://pc.qq.com/pc/images/flashbutton.gif) 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(http://pc.qq.com/pc/images/flashbutton.gif) 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(http://pc.qq.com/pc/images/flashbutton.gif) no-repeat 0 0; color:#fff;}
</style>
</head>
<body>
<div id="picBox_top">
<ul id="show_pic_top" style="top:0;">
    <li><img src="http://inncache.soso.com/pc/images/manage.jpg" width="610" height="205" alt="" title="" /></li>
        <li><img src="http://inncache.soso.com/pc/images/player.jpg" width="610" height="205" alt="" title="" /></li>
        <li><img src="http://inncache.soso.com/pc/images/py.jpg" width="610" height="205" alt="" title="" /></li>
        <li><img src="http://inncache.soso.com/pc/images/xf.jpg" width="610" height="205" alt="" title="" /></li>
        <li><img src="http://inncache.soso.com/pc/images/TT.jpg" width="610" height="205" alt="" title="" /></li>
    </ul>
    <ul id="icon_num_top">
    <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_top','show_pic_top',205,2,0.1,'top');
</script>
</body>
</html>

调用方法：glide.layerGlide(auto,oEventCont,oSlider,sSingleSize,second ,fSpeed,point);

*glide.layerGlide(auto,oEventCont,oSlider,sSingleSize,second ,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 当值为left 为横向滚动为top是顺向滚动

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