Js文字在指定区域块中滚动，可设置参数多

2024-09-05 12:17:53

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Javascript写了一个文字处理类的插件，这个文字滚动仅是插件中的一个功能演示，指定区域内的滚动，在这个演示范例中，都包含了常见的滚动设置选项，提醒一下，如果只需要改动ling-height;其他的停顿时间，滚动快慢都可在function Marquee()里调节。

<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>文字滚动</title><style type="text/css">  body{margin:0px;padding:0px;} *{margin:0px; padding:0px;} *{font-size:12px;} #scroll{width:250px; height:100px; line-height:22px; overflow:hidden; background-color:#eee;}/*line-height是每次移动的距离，overflow;hidden 也不能省*/</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(){//download by http://www.codefans.net    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><div id="scroll">  <ul>    <li>英镑GBP ŀ.50%</li>    <li>币HKD ŀ.75% </li>    <li>英镑GBP ŀ.50%</li>    <li>英镑GBP ŀ.50%</li>     <li>英镑GBP ŀ.50%</li>    <li>欧元EUR ŀ.25%</li>    <li>币HKD ŀ.75% </li>    <li>英镑GBP ŀ.50%</li>    <li>英镑GBP ŀ.50%</li>    <li>欧元EUR ŀ.25%</li>    </ul></div></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 />    200,  //容器可视宽度<br />    100,  //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 />    22  //间歇滚动间距(可选)<br />    );  };</script></body></html>

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