AJAX读取数据库数据

[Javascript] 标签： 2013-10-26 09:00
<html>
<head>
<script type="text/javascript">
function showCustomer(str)
{
var xmlhttp;    
if (str=="")
  {
  document.getElementById("txtHint").innerHTML="";
  return;
  }
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
    document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET","/ajax/getcustomer.asp?q="+str,true);
xmlhttp.send();
}
</script>
</head>
<body>

<form action="" style="margin-top:15px;"> 
<label>请选择一位客户：
<select name="customers" onchange="showCustomer(this.value)" style="font-family:Verdana, Arial, Helvetica, sans-serif;">
<option value="APPLE">Apple Computer, Inc.</option>
<option value="BAIDU ">BAIDU, Inc</option>
<option value="Canon">Canon USA, Inc.</option>
<option value="Google">Google, Inc.</option>
<option value="Nokia">Nokia Corporation</option>
<option value="SONY">Sony Corporation of America</option>
</select>
</label>
</form>
<br />
<div id="txtHint">客户信息将在此处列出 ...</div>

</body>
</html>
AJAX读取数据库数据

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