ajax入門的代碼

來源:互聯網
上載者:User
[ 2006-02-05 00:35:44 | Author: nid ] Font Size: Large | Medium | Small 下面代碼在win2003+IIS6.0+(IE6/Netscape8.0/Firefox1.5)通過

用戶端HTML代碼test.htm:

<!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>
<title>Untitled Page</title>
<script language="javascript">
<!--
function load(resource)
{  
  
if (window.XMLHttpRequest)
  {
    xmlObj = new XMLHttpRequest();
  }
  else if (window.ActiveXObject)
  {
    xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
  }
  else {return;}

  xmlObj.onreadystatechange = handleResponse;
  xmlObj.open("GET",resource,true);
  xmlObj.send("");
}
function handleResponse()
{  
  if (xmlObj.readyState == 4)
  {  //xmlObj loaded
    if (xmlObj.status == 200)
    {  
      var datas = xmlObj.responseXML.getElementsByTagName("data");
      //alert(datas[0].firstChild.nodeValue);
      document.getElementById("data").innerHTML=datas[0].firstChild.nodeValue;

    }
  }
}
-->
</script>
</head>
<body>
<p>
<a href="#" onclick="load('data.asp')">發送請求</a></p>
<div id="data">看這裡!</div>
</body>
</html>

伺服器端data.asp:
<%response.ContentType="text/xml"%><?xml version='1.0' encoding='gb2312' ?>
<home>
  <data>Hustonline</data>
</home>

注意:xml文檔第一個字元應該是"<",前面不能有空格,斷行符號一類的字元.

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