[code]有查找替换功能的Html代码[备用]

2010年8月18日星期三 | | |

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
var oRange;     // save the current textrange 
var intCount = 0;   // this pos of current textrange in the total count
var intTotalCount = 0;  // total count
<!--
//==============================================
//function : fnSearch()
//comment  : Search the text
//param    : none
//return   : none
//author   : Fantiny
//Date     : 10/21/2005
//==============================================
function fnSearch() {
 var strBeReplaced;
 var strReplace;
 strBeReplaced = fm1.txtarea2.value;
 strReplace = fm1.txtarea3.value;
 fnNext();
 fm1.txtarea1.focus();
 oRange = fm1.txtarea1.createTextRange(); //Create a textRange for the Textarea
 
 // Find the text by findtext method
 for (i=1; oRange.findText(strBeReplaced)!=false; i++) {
  if(i==intCount){  
   oRange.select();   // select the finded text
   oRange.scrollIntoView(); // scroll the page and set the text Into View
   break;
  }
  oRange.collapse(false);   //
 }
}
//==============================================
//function : fnSearch()
//comment  : set the flag to the next textrange
//param    : none
//return   : none
//author   : Fantiny
//Date     : 10/21/2005
//==============================================
function fnNext(){
 if (intCount > 0 && intCount < intTotalCount){
  intCount = intCount + 1;
 }
 else{
  intCount = 1 ;
 }
}
//==============================================
//function : init()
//comment  : initialize at page onload to get the count
//param    : none
//return   : none
//author   : Fantiny
//Date     : 10/21/2005
//==============================================
function init(){
 var oRange ;
 var strBeRepalced;
 oRange = fm1.txtarea1.createTextRange();  //Create a textRange for the Textarea
 strBeReplaced = fm1.txtarea2.value;   
 for (i=0; oRange.findText(strBeReplaced)!=false; i++) {
     oRange.collapse(false);  // Moves the insertion point to the end of the text range.
 }
 intTotalCount = i ;
}
//==============================================
//function : fnReplace()
//comment  : replace the text of the selected textrange
//param    : none
//return   : none www.knowsky.com
//author   : Fantiny
//Date     : 10/21/2005
//==============================================
function fnReplace(){
 var strReplace;
 
 strReplace = fm1.txtarea3.value;
 // if the textrange is exist, replace the text
 if(oRange!= null && typeof(oRange)=="object" && intTotalCount > 0){
  oRange.text = strReplace;
  intCount = intCount - 1;
  intTotalCount = intTotalCount - 1;
  oRange = null;
 }
}
//-->
</SCRIPT>
</HEAD>
<BODY onload="init()">
<FORM METHOD=POST name="fm1">
<TEXTAREA NAME="txtarea1" ROWS="20" COLS="50">
this is the original text, and this is the string will be repalced.
this is the original text, and this is the string will be repalced.
this is the original text, and this is the string will be repalced.
this is the original text, and this is the string will be repalced.
this is the original text, and this is the string will be repalced.
this is the original text, and this is the string will be repalced.
</TEXTAREA>
<TEXTAREA NAME="txtarea2" ROWS="20" COLS="50"> will be </TEXTAREA>
<TEXTAREA NAME="txtarea3" ROWS="20" COLS="50"> has been </TEXTAREA>
<input type="button" value="search" onclick="fnSearch()">
<input type="button" value="Replace" onclick="fnReplace()">
</FORM>
</BODY>
</HTML>
 
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