<span style="font-size: medium;">refresh.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<head><META http-equiv=Content-Type content="text/html; charset=UTF-8"></head>
<script language="javascript">
var XMLHttpReq;
//创建XMLHttpRequest对象
function createXMLHttpRequest() {
if(window.XMLHttpRequest) { //Mozilla 浏览器
XMLHttpReq = new XMLHttpRequest();
}
else if (window.ActiveXObject) { // IE浏览器
try {
XMLHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
} catch(e){
try {
XMLHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {
}
}
}
}
//发送请求函数
function sendRequest() {
createXMLHttpRequest();
var url = "refresh.do";
XMLHttpReq.open("POST", url, true);
XMLHttpReq.onreadystatechange = processResponse;//指定响应函数
XMLHttpReq.send(null); // 发送请求
}
// 处理返回信息函数
function processResponse() {
if (XMLHttpReq.readyState == 4) { // 判断对象状态
if (XMLHttpReq.status == 200) { // 信息已经成功返回，开始处理信息
DisplayHot();
setTimeout("sendRequest()", 1000);
} else { //页面不正常
window.alert("您所请求的页面有异常。");
}
}
}
// 显示更新数据信息的函数
function DisplayHot() {
var name = XMLHttpReq.responseXML.getElementsByTagName("name")[0].firstChild.nodeValue;
var count = XMLHttpReq.responseXML.getElementsByTagName("count")[0].firstChild.nodeValue;
document.getElementById("product").innerHTML = name;
document.getElementById("count").innerHTML = count;
}
</script>
</SCRIPT>
<body onload =sendRequest()>
<table style="BORDER-COLLAPSE: collapse" borderColor=#111111
cellSpacing=0 cellPadding=0 width=200 bgColor=#f5efe7 border=0>
<TR>
<TD align=middle height=4 colspan="2"><IMG height=4
src="images/promo_list_top.gif" width="100%"
border=0>
</TD>
</TR>
<TR>
<TD align=middle bgColor=#dbc2b0
height=19 colspan="2"><B>正在热卖的笔记本</B>
</TD>
</TR>
<tr>
<td height="20">
型号：
</td>
<td height="20" id="product">
</td>
</tr>
<tr>
<td height="20">
销售数量：
</td>
<td height="20" id="count">
</td>
</tr>
</table>
</body>
</html>
</span>