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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>ÎÞ±êÌâÎĵµ</title>
</head>
<script language="javascript">
var xmlHttp;
function createXMLHttpRequest(){
 if(window.ActiveXObject){
  xmlHttp = new ActiveXObject("microsoft.XMLHTTP");
 }
 else if(window.XMLHttpRequest){
  xmlHttp = new XMLHttpRequest();
 }
}
function sendRequest(){
 
 createXMLHttpRequest();
 
 var name = document.getElementById("name").value;
 url = "String_check.php?page="+name;
 xmlHttp.onreadystatechange = callback;
 xmlHttp.open('GET',url,true); 
 xmlHttp.send(null);
}
function callback(){
 if(xmlHttp.readyState == 4){
  if(xmlHttp.status == 200){
   document.getElementById("show").innerHTML = "ÄúÊäÈëµÄ×Ö·û´®Îª£º"+ xmlHttp.responseText;
   
  }
 }
}
</script>
<body>
<p>AJAX test;</p>
<p><br/>
  <input type="text" id="name" onkeyup="sendRequest();" />
  <br/>
  <span id="show"></span>
</p>
</body>
</html>
·þÎñÆ÷¶Ë´úÂ룺
<?php
header('Content-type: text/html;charset=GB2312');
$ename = $_GET["page"];
if ($ename == "") {
 $ename = "ÇëÊäÈ룺";
}
echo ($ename);
exit(0);
?>


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