JavaScript È«¾Ö±äÁ¿´«Öµ - Web ¿ª·¢ / JavaScript

<script language="javascript">
 var canSubmit = false ;
 function formCheck() 
{ 
  getResult("TDJY_SCANDOC","SCANDATANAME");

  if(canSubmit==false){
return false;
}
else{
return true;
}

} 
  //¹¹ÔìAjax¶ÔÏ󣬻ñÈ¡·þÎñÆ÷¶Ë¶ÔÓ¦µÄÐÅÏ¢
  //Ê×ÏÈÊÇÈ¡µÃXmlHttpRequest£»
  //È»ºóÉèÖøÃÇëÇóµÄurl£ºreq.open("GET",url, true);
  //½Ó×ÅÉèÖÃÇëÇó·µ»ØÖµµÄ½ÓÊÕ·½·¨£ºreq.onreadystatechange = complete;
  //¸Ã·µ»ØÖµµÄ½ÓÊÕ·½·¨Îª——complete();
  //×îºóÊÇ·¢ËÍÇëÇó£ºreq.send(null);

  function getResult(tblName,attrName) 
  {
var url = "AjaxConn.jsp?tblName=" + tblName + "&attrName=" + attrName; 
  ¡¡¡¡if (window.XMLHttpRequest) 
  { 
xmlHttp = new XMLHttpRequest(); 
  ¡¡¡¡}
  else if (window.ActiveXObject) 
  { 
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 
  ¡¡¡¡} 
  ¡¡¡¡if(xmlHttp)
  { 
xmlHttp.open("GET",url, true); 
xmlHttp.onreadystatechange = function() {complete();}
xmlHttp.send(null); 
  ¡¡¡¡} 
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