固定并可移动的层

稿源：互联网 2022-08-13 14:49:31 点击： 340 撤稿纠错

可任意移动的层，可自定义层内容。

以下讨论的是和特效相关的固定并可移动的层教程文章，内容是本站精心挑选整理的教程，希望对广大的网友给到帮助,下面是详细内容：

脚本代码(For Alixixi.com)如下:

脚本说明:
把如下代码加入区域中
<STYLE type=text/css>
#floater {
	LEFT: 400px; POSITION: absolute; TOP: 120px; VISIBILITY: visible; WIDTH: 160px; Z-INDEX: 10
}
</STYLE>
<DIV align=center id=floater style="HEIGHT: 98px; WIDTH: 240px;">
<TABLE bgColor=#deefef border=1 borderColor=#008000 borderColorDark=#00ff00 
borderColorLight=#ff00ff cellPadding=2 cellSpacing=1 width="240">
  <TBODY>
  <TR>
    <TD width="100%">
      <P align=center>欢迎大家光临“阿里西西”<BR>JavaScript专栏！</P></TD></TR>
  <TR>
    <TD width="100%">   欢迎光临阿里西西，有什么意见和建议请尽管提出来，你的意见就是对我们的促进，我们会尽量为你们服务的.请多多支持我们的工作，成长中的每一步都会有你的足迹！！！<BR>    
      你若有什么好的建议和意见，可以给我<A 
      href="mailto:xjl906@163.com"><FONT color=#ff0000 
      size=2>来信</FONT></A>，你若有好的例子，站长更希望能向你请教和学习。</TD></TR></TBODY></TABLE></DIV>
<SCRIPT language=JavaScript>                              
self.onError=null;                              
currentX = currentY = 0;                               
whichIt = null;                                         
lastScrollX = 0; lastScrollY = 0;                              
NS = (document.layers) ? 1 : 0;                             
IE = (document.all) ? 1: 0;                              
                              
function heartBeat() {                              
if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }                             if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }           
if(diffY != lastScrollY) {            
percent = .1 * (diffY - lastScrollY);    
if(percent > 0) percent = Math.ceil(percent); 
else percent = Math.floor(percent);  
if(IE) document.all.floater.style.pixelTop += percent;  
if(NS) document.floater.top += percent;                 
lastScrollY = lastScrollY + percent;      
}                       
if(diffX != lastScrollX) {       
percent = .1 * (diffX - lastScrollX);     
if(percent > 0) percent = Math.ceil(percent);       
else percent = Math.floor(percent);                   
if(IE) document.all.floater.style.pixelLeft += percent;        
if(NS) document.floater.left += percent;       
lastScrollX = lastScrollX + percent;                     
}	                          
}                         
              
              
function checkFocus(x,y) {         
stalkerx = document.floater.pageX;     
stalkery = document.floater.pageY;                        
stalkerwidth = document.floater.clip.width;              
stalkerheight = document.floater.clip.height;                         
if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true;                      
else return false;        
}                     
function grabIt(e) {            
if(IE) {                            
whichIt = event.srcElement; 
while (whichIt.id.indexOf("floater") == -1) {    
whichIt = whichIt.parentElement;                           
if (whichIt == null) { return true; }         
 }                            
whichIt.style.pixelLeft = whichIt.offsetLeft;                              
whichIt.style.pixelTop = whichIt.offsetTop;                          
currentX = (event.clientX + document.body.scrollLeft);                       
currentY = (event.clientY + document.body.scrollTop); 	                      
} else {                             
window.captureEvents(Event.MOUSEMOVE);    
if(checkFocus (e.pageX,e.pageY)) {                            
whichIt = document.floater;                              
stalkerTouchedX = e.pageX-document.floater.pageX;      
StalkerTouchedY = e.pageY-document.floater.pageY;          
}                              
}                            
return true;                        
}                            
function moveIt(e) {               
if (whichIt == null) { return false; }       
if(IE) {                             
newX = (event.clientX + document.body.scrollLeft);                           
newY = (event.clientY + document.body.scrollTop);                
distanceX = (newX - currentX);    distanceY = (newY - currentY);   
currentX = newX;    currentY = newY;                       
whichIt.style.pixelLeft += distanceX;                          
whichIt.style.pixelTop += distanceY;                      
if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;    if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft; if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;  
event.returnValue = false;  
} else {   
whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY); 
if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset; 
if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;  
if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17; 
if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17; 
return false;} 
return false;  
}   
function dropIt() {     
whichIt = null;     
if(NS) window.releaseEvents (Event.MOUSEMOVE);  
return true;             
	}                     
  
if(NS) {    
window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);
window.onmousedown = grabIt;
window.onmousemove = moveIt; 
window.onmouseup = dropIt; 
}              
if(IE) {                     
document.onmousedown = grabIt;    
document.onmousemove = moveIt;   
document.onmouseup = dropIt;          
	}                         
if(NS || IE) action = window.setInterval("heartBeat()",1);   
</SCRIPT>

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