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忽尔今夏

人生中最大的敌人是自己......

 
 
 

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首尾相连的跑马灯效果(在IE Firefox Opera Safari中均已测试)  

2010-09-16 16:19:02|  分类: NET |  标签: |举报 |字号 订阅

  下载LOFTER 我的照片书  |

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
div{border:1px solid #ccc;background:#eee;margin:10px;}
</style>
说明:<ul>
<li>可以设置是否响应鼠标暂停</li>
<li>可以设置滚动滚动方向</li>
<li>可以设置滚动速度</li>
<li>图文支持</li>
<li>。。。</li>
</ul>
<hr />
<!-- 必须包含的js文件 [[ -->
<script type="text/javascript">
function Marquee()
{
this.ID = document.getElementById(arguments[0]);
if(!this.ID)
{
  alert("您要设置的\"" + arguments[0] + "\"初始化错误\r\n请检查标签ID设置是否正确!");
  this.ID = -1;
  return;
}
this.Direction = this.Width = this.Height = this.DelayTime = this.WaitTime = this.CTL = this.StartID = this.Stop = this.MouseOver = 0;
this.Step = 1;
this.Timer = 30;
this.DirectionArray = {"top":0 , "up":0 , "bottom":1 , "down":1 , "left":2 , "right":3};
if(typeof arguments[1] == "number" || typeof arguments[1] == "string")this.Direction = arguments[1];
if(typeof arguments[2] == "number")this.Step = arguments[2];
if(typeof arguments[3] == "number")this.Width = arguments[3];
if(typeof arguments[4] == "number")this.Height = arguments[4];
if(typeof arguments[5] == "number")this.Timer = arguments[5];
if(typeof arguments[6] == "number")this.DelayTime = arguments[6];
if(typeof arguments[7] == "number")this.WaitTime = arguments[7];
if(typeof arguments[8] == "number")this.ScrollStep = arguments[8];
this.ID.style.overflow = this.ID.style.overflowX = this.ID.style.overflowY = "hidden";
this.ID.noWrap = true;
this.IsNotOpera = (navigator.userAgent.toLowerCase().indexOf("opera") == -1);
if(arguments.length >= 7)this.Start();
}
Marquee.prototype.Start = function()
{
if(this.ID == -1)return;
if(this.WaitTime < 800)this.WaitTime = 800;
if(this.Timer < 20)this.Timer = 20;
if(this.Width == 0)this.Width = parseInt(this.ID.style.width);
if(this.Height == 0)this.Height = parseInt(this.ID.style.height);
if(typeof this.Direction == "string")this.Direction = this.DirectionArray[this.Direction.toString().toLowerCase()];
this.HalfWidth = Math.round(this.Width / 2);
this.HalfHeight = Math.round(this.Height / 2);
this.BakStep = this.Step;
this.ID.style.width = this.Width + "px";
this.ID.style.height = this.Height + "px";
if(typeof this.ScrollStep != "number")this.ScrollStep = this.Direction > 1 ? this.Width : this.Height;
var templateLeft = "MSCLASS_TEMP_HTML MSCLASS_TEMP_HTML";
var templateTop = "MSCLASS_TEMP_HTML MSCLASS_TEMP_HTML";
var msobj = this;
msobj.tempHTML = msobj.ID.innerHTML;
if(msobj.Direction <= 1)
{
  msobj.ID.innerHTML = templateTop.replace(/MSCLASS_TEMP_HTML/g,msobj.ID.innerHTML);
}
else
{
  if(msobj.ScrollStep == 0 && msobj.DelayTime == 0)
  {
  msobj.ID.innerHTML += msobj.ID.innerHTML;
  }
  else
  {
  msobj.ID.innerHTML = templateLeft.replace(/MSCLASS_TEMP_HTML/g,msobj.ID.innerHTML);
  }
}
var timer = this.Timer;
var delaytime = this.DelayTime;
var waittime = this.WaitTime;
msobj.StartID = function(){msobj.Scroll()}
msobj.Continue = function()
    {
    if(msobj.MouseOver == 1)
    {
      setTimeout(msobj.Continue,delaytime);
    }
    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,delaytime);
  }
msobj.Begin = function()
  {
  msobj.ClientScroll = msobj.Direction > 1 ? msobj.ID.scrollWidth / 2 : msobj.ID.scrollHeight / 2;
  if((msobj.Direction <= 1 && msobj.ClientScroll <= msobj.Height + msobj.Step) || (msobj.Direction > 1 && msobj.ClientScroll <= msobj.Width + msobj.Step))  {
    msobj.ID.innerHTML = msobj.tempHTML;
    delete(msobj.tempHTML);
    return;
  }
  delete(msobj.tempHTML);
  msobj.TimerID = setInterval(msobj.StartID,timer);
  if(msobj.ScrollStep < 0)return;
  msobj.ID.onmousemove = function(event)
      {
      if(msobj.ScrollStep == 0 && msobj.Direction > 1)
      {
        var event = event || window.event;
        if(window.event)
        {
        if(msobj.IsNotOpera)
        {
          msobj.EventLeft = event.srcElement.id == msobj.ID.id ? event.offsetX - msobj.ID.scrollLeft : event.srcElement.offsetLeft - msobj.ID.scrollLeft + event.offsetX;
        }
        else
        {
          msobj.ScrollStep = null;
          return;
        }
        }
        else
        {
        msobj.EventLeft = event.layerX - msobj.ID.scrollLeft;
        }
        msobj.Direction = msobj.EventLeft > msobj.HalfWidth ? 3 : 2;
        msobj.AbsCenter = Math.abs(msobj.HalfWidth - msobj.EventLeft);
        msobj.Step = Math.round(msobj.AbsCenter * (msobj.BakStep*2) / msobj.HalfWidth);
      }
      }
  msobj.ID.onmouseover = function()
      {
      if(msobj.ScrollStep == 0)return;
      msobj.MouseOver = 1;
      clearInterval(msobj.TimerID);
      }
  msobj.ID.onmouseout = function()
      {
      if(msobj.ScrollStep == 0)
      {
        if(msobj.Step == 0)msobj.Step = 1;
        return;
      }
      msobj.MouseOver = 0;
      if(msobj.Stop == 0)
      {
        clearInterval(msobj.TimerID);
        msobj.TimerID = setInterval(msobj.StartID,timer);
      }
      }
  }
setTimeout(msobj.Begin,waittime);
}
Marquee.prototype.Scroll = function()
{
switch(this.Direction)
{
  case 0:
  this.CTL += this.Step;
  if(this.CTL >= this.ScrollStep && this.DelayTime > 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.DelayTime > 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.DelayTime > 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.DelayTime > 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>
<!-- 必须包含的js文件 ]] -->
<!-- 例子1 向上滚动 [[ -->
<div id="m">
    <ul>
    <li><a href="Web'<http://www.div-css.com/">Web标准化</a></li>
    <li><a href="Web'<http://www.div-css.com/html/standard/">Web标准化 XHTML CSS</a></li>
    <li><a href="Ajax/Javascripthttp://www.div-css.com/html/x1/">Ajax/Javascript</a></li>
    <li><a href="http://www.div-css.com/html/web_design/">页面设计</a></li>
    <li><a href="http://www.div-css.com/html/Web_develop/">网站开发</a></li>
    <li><a href="http://www.div-css.com/html/database/">数据库</a></li>
    <li><a href="http://www.div-css.com/html/server/">服务器</a></li>
    <li><a href="http://bbs.div-css.com/">论坛</a></li>
    </ul>
</div>
<script type="text/javascript">
new Marquee("m",0,1,258,60,50,0,0);
</script>
<!-- 例子1 [[ -->
<!-- 例子2 向下滚动 [[ -->
<div id="m0">
<ul>
<li>向下Welcome</li>
<li>向下About us</li>
<li>向下Services</li>
<li>向下Testimonials</a></li>
<li>向下Contact us</a></li>
</ul>
</div>
<script type="text/javascript">
new Marquee("m0",1,1,258,60,50,0,0);
</script>
<!-- 例子2 ]] -->
<!-- 例子3 向左滚动 [[ -->
<div id="m1" style="white-space:nowrap;">想向左就向左<<<<<想向左就向左<<<<<想向左就向左<<<<<。。。</div>
<script type="text/javascript">
new Marquee("m1",2,1,258,60,50,0,0);
</script>
<!-- 例子3 ]] -->
<!-- 例子4 向右滚动 [[ -->
<div id="m2" style="white-space:nowrap;">想向右就向右>>>>>想向右就向右>>>>>想向右就向右>>>>>。。。。</div>
<script type="text/javascript">
new Marquee("m2",3,1,258,60,50,0,0);
</script>
<!-- 例子4 ]] -->


本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/lincnl/archive/2009/07/31/4397219.aspx

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