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javascript 三组文字间隙滚动实例代码

2008-06-24 21:36:26 作者：

非常实用的文字间隙滚动效果代码

<html>

<head>  
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">  
<meta http-equiv="Content-Language" content="zh-CN">  
<title>三组文字间隙滚动</title>  
<style type="text/css">  
 *{font-size:12px;}  
 #scrollBox2{width:150px; height:64px; line-height:22px; overflow:hidden; background-color:#eee;}  
</style>  
</head>

<body>

国家 汇率名称 今日汇率   
<div id="scrollBox2">  
    美元USD &#320;.775%<br>  
    港币HKD &#320;.75%<br>  
    英镑GBP &#320;.50%<br>  
    欧元EUR &#320;.25%<br>  
    日元JPY &#320;.01%<br>  
</div>  
<script>  
window.onload=function(){  
  new Marquee(  
    "scrollBox2",  //容器ID<br>  
    0,  //向上滚动(0向上 1向下 2向左 3向右)<br>  
    2,  //滚动的步长<br>  
    200,  //容器可视宽度<br>  
    64,  //容器可视高度<br>  
    50,  //定时器 数值越小，滚动的速度越快(1000=1秒,建议不小于20)<br>  
    2000,  //间歇停顿时间(0为不停顿,1000=1秒)<br>  
    1000,  //开始时的等待时间(0为不等待,1000=1秒)<br>  
    22  //间歇滚动间距(可选)<br>  
    );  
  };  
function Marquee(){  
  this.ID=document.getElementById(arguments[0]);  
  this.Direction=arguments[1];  
  this.Step=arguments[2];  
  this.Width=arguments[3];  
  this.Height=arguments[4];  
  this.Timer=arguments[5];  
  this.WaitTime=arguments[6];  
  this.StopTime=arguments[7];  
  if(arguments[8]){this.ScrollStep=arguments[8];}else{this.ScrollStep=this.Direction>1?this.Width:this.Height;}  
  this.CTL=this.StartID=this.Stop=this.MouseOver=0;  
  this.ID.style.overflowX=this.ID.style.overflowY="hidden";  
  this.ID.noWrap=true;  
  this.ID.style.width=this.Width;  
  this.ID.style.height=this.Height;  
  this.ClientScroll=this.Direction>1?this.ID.scrollWidth:this.ID.scrollHeight;  
  this.ID.innerHTML+=this.ID.innerHTML;  
  this.Start(this,this.Timer,this.WaitTime,this.StopTime);  
  }  
Marquee.prototype.Start=function(msobj,timer,waittime,stoptime){  
  msobj.StartID=function(){msobj.Scroll();}  
  msobj.Continue=function(){  
    if(msobj.MouseOver==1){setTimeout(msobj.Continue,waittime);}  
    else{clearInterval(msobj.TimerID); msobj.CTL=msobj.Stop=0; msobj.TimerID=setInterval(msobj.StartID,timer);}  
    }  
  msobj.Pause=function(){msobj.Stop=1; clearInterval(msobj.TimerID); setTimeout(msobj.Continue,waittime);}  
  msobj.Begin=function(){  
    msobj.TimerID=setInterval(msobj.StartID,timer);  
    msobj.ID.onmouseover=function(){msobj.MouseOver=1; clearInterval(msobj.TimerID);}  
    msobj.ID.onmouseout=function(){msobj.MouseOver=0; if(msobj.Stop==0){clearInterval(msobj.TimerID); msobj.TimerID=setInterval(msobj.StartID,timer);}}  
    }  
  setTimeout(msobj.Begin,stoptime);  
  }  
Marquee.prototype.Scroll=function(){  
  switch(this.Direction){  
    case 0:  
      this.CTL+=this.Step;  
      if(this.CTL>=this.ScrollStep&&this.WaitTime>0){this.ID.scrollTop+=this.ScrollStep+this.Step-this.CTL; this.Pause(); return;}  
      else{if(this.ID.scrollTop>=this.ClientScroll) this.ID.scrollTop-=this.ClientScroll; this.ID.scrollTop+=this.Step;}  
      break;  
    case 1:  
      this.CTL+=this.Step;  
      if(this.CTL>=this.ScrollStep&&this.WaitTime>0){this.ID.scrollTop-=this.ScrollStep+this.Step-this.CTL; this.Pause(); return;}  
      else{if(this.ID.scrollTop<=0) this.ID.scrollTop+=this.ClientScroll; this.ID.scrollTop-=this.Step;}  
      break;  
    case 2:  
      this.CTL+=this.Step;  
      if(this.CTL>=this.ScrollStep&&this.WaitTime>0){this.ID.scrollLeft+=this.ScrollStep+this.Step-this.CTL; this.Pause(); return;}  
      else{if(this.ID.scrollLeft>=this.ClientScroll) this.ID.scrollLeft-=this.ClientScroll; this.ID.scrollLeft+=this.Step;}  
      break;  
    case 3:  
      this.CTL+=this.Step;  
      if(this.CTL>=this.ScrollStep&&this.WaitTime>0){this.ID.scrollLeft-=this.ScrollStep+this.Step-this.CTL; this.Pause(); return;}  
      else{if(this.ID.scrollLeft<=0) this.ID.scrollLeft+=this.ClientScroll; this.ID.scrollLeft-=this.Step;}  
      break;  
    }  
  }  
</script>  
<p>　</p>  
<p>　</p>  
<p>　</p>

</body>

</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]