📄 postcode.jsp~59~
字号:
<%@ page contentType="text/html; charset=GBK" %>
<html>
<head>
<title>
postcode
</title>
<script type="text/javascript" language="javascript">
function checkNumber()
{
var val = event.keyCode;
if(val>=48&&val<=57)
event.returnValue=true;
else
event.returnValue=false;
}
var xmlHttp;
//创建对象
function createXMLHttp()
{
if(window.XMLHttpRequest)
xmlHttp = new XMLHttpRequest();
else if(window.ActiveXObject)
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
//开始请求
function startRequest()
{
var elem = document.getElementById("txtCode").value;
if(elem.length==6)
{
createXMLHttp();
xmlHttp.onreadystatechange=handleRequest;
xmlHttp.open("GET","/ZipModule/jsp/code.jsp?postalcode="+elem,true);
xmlHttp.send(null);
}
}
function handleRequest()
{
if(xmlHttp.readyState==4){
if(xmlHttp.status == 200){
var areaInfo = xmlHttp.responseText;
if(areaInfo!=""&&areaInfo.length!=0){
alert(areaInfo);
var a=areaInfo.split("|");
document.getElementById("txtArea").value = a[0];
if(a[1]!=null)
document.getElementById("txtCity").value = a[1];
}else{
document.getElementById("txtArea").value = " ";
document.getElementById("txtCity").value = " ";
}
}
}
}
</script>
</head>
<body bgcolor="#ffffff">
<h2>
请输入邮政编码
</h2>
<form action="#" >
<br>邮政编码：<input type="text" name="txtCode" id="txtCode" maxlength="6" onkeypress="checkNumber()" onchange="startRequest()"/>
<br>地 区：<input type="text" name="txtArea" id="txtArea" readonly="readonly"/>
<br>城 市：<input type="text" name="txtCity" id="txtCity" readonly="readonly"/>
</form>
</body>
</html>
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