网页编辑器粘贴word格式的处理

<script language="javascript">
document.write (\'<iframe src="textbox12.asp" id="message" width="650" height="350" onload="_iframeOnload()"></iframe>\')
frames.message.document.designMode = "On";
</script></td></tr>

</form></table>

<div id="eWebEditor_Temp_HTML" style="VISIBILITY: hidden; OVERFLOW: hidden; POSITION: absolute; WIDTH: 1px; HEIGHT: 1px"></div>

 

<script   language="javascript">
function   _iframeOnload(){ 
 targetDoc   =   document.frames.message.document;   //这里message与frame的id一致
 targetDoc.f=function(e){proxyEvent(e);};  
 with(targetDoc.body){  
  attachEvent("onpaste",function(event){document.f(event)});  
 }  
 message.document.designMode=\'On\';    
}  
function   proxyEvent(e){  
 switch(e.type){  
  case   "paste":  
  fnPaste(e);  
  break;  
 }  
}  
function   fnPaste(e)   {  
 e.returnValue   =   false;
 var shtml= GetClipboardHTML();
 
 message.document.selection.createRange().pasteHTML( shtml) ;
}  
  // 取剪粘板中的格式数据
function GetClipboardHTML() {
 var oDiv = document.getElementById("eWebEditor_Temp_HTML")
 oDiv.innerHTML = "" ;
 var oTextRange = document.body.createTextRange() ;
 oTextRange.moveToElementText(oDiv) ;
 oTextRange.execCommand("Paste") ;
 var sData = oDiv.innerHTML ;
 oDiv.innerHTML = "" ;
 return removeFormatWrd(sData);
}

function removeFormatWrd(html){
var
 __reg_hstr=/^(?:redo|undo)$/i,
 __reg_ctrl=/^(?:img|table|object|embed)$/i,
 __reg_hsmd=/<(?:img|table|object|embed)/b/i,
 __reg_cstl=/(<[^//>]+?)/sstyle/s?=/s?(?:".*?"|[^/s>]+)(.*?>)/gi,
 __reg_ccls=/(<[^//>]+?)/sclass/s?=/s?(?:".*?"|[^/s>]+)(.*?>)/gi,
 __reg_caln=/(<[^//>]+?)/salign/s?=/s?(?:".*?"|[^/s>]+)(.*?>)/gi,
 __reg_none=/^(?:<p.*?>&nbsp;<//p>)+$/i,
 __reg_brln=/^(<[/w]+?>)?/s*<br//?>[/s/n/r]*/i,
 __reg_nwrp=/(?:<br//?>[/s/n/r]*){2,}/gi,
 __reg_nwrd=/<//?[/w]+:[/w]+.*?>/gi,
 __reg_flnh=//f/g,
 __reg_flns=//n|/r/g,
 __reg_fzag=/<(style|script).*?>.*?<///1>/gi,
 __reg_ftag=/<//?(?:meta|link|!--/[.+?/]--|[/w]+:[/w]+).*?>/gi,
 __reg_ctag=/<(//?)(?:!(?:--)?/[)?([^!]+?)(?=/s|>).*?>/gi,
 __reg_tnln=/^(?:ol|ul|li|blockquote|div|code|h/d)$/i,
 __reg_tcmd=/<//?(?:span|div|h2|h3|code|center|form|input|select|textarea|iframe|img|a).*?>/i,
 __reg_tclr=/^(?:font|span|center|sohu|form|input|select|textarea|iframe|strong|b|u|i|s|em|sub|sup|link|script|strike)$/i,
 __reg_rmda=/<embed.*?>(<//embed>)?/gi,
 __reg_rimg=/<img[^>]*?id="__(?:music|media)_replacement_[/d]+?".*?name="(.*?)".*?>/gi;

 if(__reg_tcmd.test(html)&&window.confirm(\'您粘贴的内容中含不便阅读和编辑的格式，是否清除原来的格式？\'))
 {
  html = html.replace(__reg_caln,\'$1$2\');
  html = html.replace(__reg_cstl,\'$1$2\');
  html = html.replace(__reg_ccls,\'$1$2\');
  html = html.replace(__reg_brln,\'$1\');
  html = html.replace(__reg_nwrp,\'<br/>\');
  html = html.replace(__reg_nwrd,\'\');
  html = html.replace(__reg_flnh,\'/n\');
  html = html.replace(__reg_flns,\'/f\');
  html = html.replace(__reg_fzag,\'\')
   .replace(__reg_cstl,\'$1$2\')
   .replace(__reg_caln,\'$1$2\')
   .replace(__reg_ctag,function($1,$2,$3){
   if(__reg_tclr.test($3))return\'\';
   if(__reg_tnln.test($3))return\'<br/>\';
   if($3.toLowerCase()==\'p\'&&$2!=\'/\')
   return\'<p style="text-indent:2em;">\';
   return $1;

   })
   .replace(__reg_nwrp,\'<br/>\')
   .replace(__reg_brln,\'$1\');
 }
 
 return html;
}

</script>