Js图片匀速向上滚动

来源：互联网发布：中软加密软件编辑：程序博客网时间：2024/04/29 12:13

<!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>图片向上滚动</title>
<style type="text/css">
body{
   margin:0px;
   padding:0px;
     }
*{margin:0px; padding:0px;}
*{font-size:12px;}
#scroll{width:173px; height:149px; overflow:hidden; }/*line-height是每次移动的距离，overflow;hidden 也不能省*/
#scroll li{   width:173px; float:left; height:149px; text-align:center;}
#scroll ul{ list-style:none;}
#scroll li img{width:165px; height:141px; border:none; padding:3px; border:#CCC 1px solid;}
#scroll li p{font-size:12px; text-align:center; line-height:28px;}

</style>
<script type="text/javascript">
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>
</head>

<body >
<div id="scroll">

<ul>
    <li><img src="/jscss/demoimg/wall_s2.jpg" />

    </li>
    <li><img src="/jscss/demoimg/wall_s2.jpg" />

    </li>
    <li><img src="/jscss/demoimg/wall_s2.jpg" />

    </li>
    <li><img src="/jscss/demoimg/wall_s2.jpg" />

    </li>
    <li><img src="/jscss/demoimg/wall_s2.jpg" />

    </li>
    <li><img src="/jscss/demoimg/wall_s2.jpg" />
    </li>
     </ul>
</div>
<script>
window.onload=function(){
new Marquee(
    "scroll", //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 />
    173, //容器可视宽度<br />
    149, //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 />
    1000, //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 />
   143//间歇滚动间距(可选)<br />
    );
};
</script>
</body>
</html>