JavaScript 无缝八向滚动(兼容ie/ff)

<!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>JavaScript 无缝八向滚动(兼容ie/ff)</title>
</head>
<body>
<script type="text/javascript">
var $ = function (id) {
    
return "string" == typeof id ? document.getElementById(id) : id;
}
;

var Class = {
  create: 
function() {
    
return function() {
      
this.initialize.apply(this, arguments);
    }

  }

}


Object.extend 
= function(destination, source) {
    
for (var property in source) {
        destination[property] 
= source[property];
    }

    
return destination;
}


function addEventHandler(oTarget, sEventType, fnHandler) {
    
if (oTarget.addEventListener) {
        oTarget.addEventListener(sEventType, fnHandler, 
false);
    }
 else if (oTarget.attachEvent) {
        oTarget.attachEvent(
"on" + sEventType, fnHandler);
    }
 else {
        oTarget[
"on" + sEventType] = fnHandler;
    }

}
;


var Scroller = Class.create();
Scroller.prototype 
= {
  initialize: 
function(idScroller, idScrollMid, options) {
    
var oScroll = this, oScroller = $(idScroller), oScrollMid = $(idScrollMid);
    
    
this.SetOptions(options);
    
this.scroller = oScroller;            //对象
    this.timer = null;                    //时间
    this.Side = [];                        //方向
    this.side = 0;                        //参数
    
    
//方向设置
    switch (this.options.Side.toLowerCase()) {
        
case "right-down" :
            
this.Side = ["right""down"];
            
break;
        
case "right-up" :
            
this.Side = ["right""up"];
            
break;
        
case "left-down" :
            
this.Side = ["left""down"];
            
break;
        
case "left-up" :
            
this.Side = ["left""up"];
            
break;
        
case "right" :
            
this.Side = ["right"];
            
break;
        
case "left" :
            
this.Side = ["left"];
            
break;
        
case "down" :
            
this.Side = ["down"];
            
break;
        
case "up" :
        
default :
            
this.Side = ["up"];
    }

    
    
//用于上下滚动
    this.heightScroller = parseInt(oScroller.style.height) || oScroller.offsetHeight;
    
this.heightList = oScrollMid.offsetHeight;
    
    
//用于左右滚动
    this.widthScroller = parseInt(oScroller.style.width) || oScroller.offsetWidth;
    
this.widthList = oScrollMid.offsetWidth;
    
    
//js取不到css设置的height和width
    
    oScroller.style.overflow 
= "hidden";
    oScrollMid.appendChild(oScrollMid.cloneNode(
true));
    oScrollMid.appendChild(oScrollMid.cloneNode(
true));
    
    addEventHandler(oScroller, 
"mouseover"function() { oScroll.Stop(); });
    addEventHandler(oScroller, 
"mouseout"function() { oScroll.Start(); });
    
    
this.Start();
  }
,
  
//设置默认属性
  SetOptions: function(options) {
    
this.options = {//默认值
      Step:            1,//每次变化的px量
      Speed:        20,//速度(越大越慢)
      Side:            "up"//滚动方向:"up"是上,"down"是下,"left"是左,"right"是右
    }
;
    Object.extend(
this.options, options || {});
  }

  
//上下滚动
  ScrollUpDown: function() {
    
this.scroller.scrollTop = this.GetScroll(this.scroller.scrollTop, this.heightScroller, this.heightList);
    
    
var oThis = this;
    
this.timer = window.setTimeout(function(){ oThis.Start(); }this.options.Speed);
  }
,
  
//左右滚动
  ScrollLeftRight: function() {
    
//注意:scrollLeft超过1400会自动变回1400 注意长度
    this.scroller.scrollLeft = this.GetScroll(this.scroller.scrollLeft, this.widthScroller, this.widthList);
    
    
var oThis = this;
    
this.timer = window.setTimeout(function(){ oThis.Start(); }this.options.Speed);
  }
,
  
//获取设置滚动数据
  GetScroll: function(iScroll, iScroller, iList) {
    
if(this.side > 0){
        
if(iScroll >= (iList * 2 - iScroller)){ iScroll -= iList; }
    }
 else {
        
if(iScroll <= 0){ iScroll += iList; }
    }

    
    
return (iScroll + this.options.Step * this.side);
  }
,
  
//开始
  Start: function() {
    
    
this.Side.push(this.Side.shift().toLowerCase());
    
    
//document.getElementById("test").innerHTML+=s+",";
    
    
//方向设置
    switch (this.Side[0].toLowerCase()) {
        
case "right" :
            
if(this.widthList < this.widthScroller) return;
            
this.side = -1;
            
this.ScrollLeftRight();
            
break;
        
case "left" :
            
if(this.widthList < this.widthScroller) return;
            
this.side = 1;
            
this.ScrollLeftRight();
            
break;
        
case "down" :
            
if(this.heightList < this.heightScroller) return;
            
this.side = -1;
            
this.ScrollUpDown();
            
break;
        
case "up" :
        
default :
            
if(this.heightList < this.heightScroller) return;
            
this.side = 1;
            
this.ScrollUpDown();
    }

  }
,
  
//停止
  Stop: function() {
    clearTimeout(
this.timer);
  }

}
;

window.onload 
= function(){
    
new Scroller("idScroller""idScrollMid",{ Side:"left-down" });
    
new Scroller("idScroller1""idScrollMid1",{ Side:"left-up" });
    
new Scroller("idScroller2""idScrollMid2",{ Side:"right-down" });
    
new Scroller("idScroller3""idScrollMid3",{ Side:"right-up" });
    
    
new Scroller("idScroller4""idScrollMid4",{ Side:"left-up" });
    
new Scroller("idScroller5""idScrollMid5",{ Side:"right-up" });
    
new Scroller("idScroller6""idScrollMid6",{ Side:"left-down" });
    
new Scroller("idScroller7""idScrollMid7",{ Side:"right-down" });
    
    
new Scroller("idScroller8""idScrollMid8",{ Side:"right-down" });
    
new Scroller("idScroller9""idScrollMid9",{ Side:"left-down" });
    
new Scroller("idScroller10""idScrollMid10",{ Side:"right-up" });
    
new Scroller("idScroller11""idScrollMid11",{ Side:"left-up" });
}

</script>
<style>
*
{margin:0px; padding:0px;}

.Scroller 
{line-height:50px;overflow:hidden; border:1px solid #000000;}
.ScrollMid 
{float:left;}
.ScrollMid ul
{width:250px;float:left;overflow:hidden;}
.ScrollMid li
{list-style:none;}

.Scroller2 
{overflow:hidden;float:left;}
.ScrollMid2 
{float:left;}
.ScrollMid2 ul
{width:100px;height:100px;float:left;overflow:hidden;}
.ScrollMid2 li
{list-style:none; width:100px; height:100px;}
</style>
<div id="idScroller" class="Scroller" style="width:250px; height:50px;">
  
<div style="width:500px">
    
<div id="idScrollMid" class="ScrollMid">
      
<ul>
        
<li> <href="http://shundebk.cn/">1111111111111111111111</a></li>
      
</ul>
    
</div>
  
</div>
</div>
<br />
<br />
<div id="idScroller1" class="Scroller" style="width:250px; height:50px;">
  
<div style="width:500px">
    
<div id="idScrollMid1" class="ScrollMid">
      
<ul>
        
<li> <href="http://shundebk.cn/">1111111111111111111111</a></li>
      
</ul>
    
</div>
  
</div>
</div>
<br />
<br />
<div id="idScroller2" class="Scroller" style="width:250px; height:50px;">
  
<div style="width:500px">
    
<div id="idScrollMid2" class="ScrollMid">
      
<ul>
        
<li> <href="http://shundebk.cn/">1111111111111111111111</a></li>
      
</ul>
    
</div>
  
</div>
</div>
<br />
<br />
<div id="idScroller3" class="Scroller" style="width:250px; height:50px;">
  
<div style="width:500px">
    
<div id="idScrollMid3" class="ScrollMid">
      
<ul>
        
<li> <href="http://shundebk.cn/">1111111111111111111111</a></li>
      
</ul>
    
</div>
  
</div>
</div>


<br /><br />

<div style="width:200px;">
  
<div id="idScroller4" class="Scroller2" style="width:100px; height:100px;">
    
<div style="width:200px">
      
<div id="idScrollMid4" class="ScrollMid2">
        
<ul>
          
<li style="background:url(1.gif);"> </li>
        
</ul>
      
</div>
    
</div>
  
</div>
  
<div id="idScroller5" class="Scroller2" style="width:100px; height:100px;">
    
<div style="width:200px">
      
<div id="idScrollMid5" class="ScrollMid2">
        
<ul>
          
<li style="background:url(2.gif);"> </li>
        
</ul>
      
</div>
    
</div>
  
</div>
  
<div id="idScroller6" class="Scroller2" style="width:100px; height:100px;">
    
<div style="width:200px">
      
<div id="idScrollMid6" class="ScrollMid2">
        
<ul>
          
<li style="background:url(2.gif);"> </li>
        
</ul>
      
</div>
    
</div>
  
</div>
  
<div id="idScroller7" class="Scroller2" style="width:100px; height:100px;">
    
<div style="width:200px">
      
<div id="idScrollMid7" class="ScrollMid2">
        
<ul>
          
<li style="background:url(1.gif);"> </li>
        
</ul>
      
</div>
    
</div>
  
</div>
</div>

<br /><br />
<div style="width:200px;">
  
<div id="idScroller8" class="Scroller2" style="width:100px; height:100px;">
    
<div style="width:200px">
      
<div id="idScrollMid8" class="ScrollMid2">
        
<ul>
          
<li style="background:url(2.gif);"> </li>
        
</ul>
      
</div>
    
</div>
  
</div>
  
<div id="idScroller9" class="Scroller2" style="width:100px; height:100px;">
    
<div style="width:200px">
      
<div id="idScrollMid9" class="ScrollMid2">
        
<ul>
          
<li style="background:url(1.gif);"> </li>
        
</ul>
      
</div>
    
</div>
  
</div>
  
<div id="idScroller10" class="Scroller2" style="width:100px; height:100px;">
    
<div style="width:200px">
      
<div id="idScrollMid10" class="ScrollMid2">
        
<ul>
          
<li style="background:url(1.gif);"> </li>
        
</ul>
      
</div>
    
</div>
  
</div>
  
<div id="idScroller11" class="Scroller2" style="width:100px; height:100px;">
    
<div style="width:200px">
      
<div id="idScrollMid11" class="ScrollMid2">
        
<ul>
          
<li style="background:url(2.gif);"> </li>
        
</ul>
      
</div>
    
</div>
  
</div>
</div>
<div id="test"></div>
</body>
</html>


刚做出来
不太完善
效果请看
posted @ 2008-04-29 17:50 cloudgamer 阅读(...) 评论(...) 编辑 收藏