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<?php
require("conn.php");
$sql = "select * from linelist where seeid<1";
$re=mysql_query($sql,$id);
$nums=mysql_num_rows($re);
echo $nums;
?>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
var xmlhttp;
function getResponse()
{
url="server.php";
xmlhttp=new Ajax.PeriodicalUpdater('result',url,
{method:"post",
asynchronous:true,
frequency:15,
delay: 20,
parameters:""
});
}
function StopResponse()
{
xmlhttp.stop();
}
getResponse();
</script>
</head>
<body><div id="result"></div>——这里还是无法获取到值。请帮忙改动一下。
</body>
</html>
//发送请求函数
function sendRequest() {
createXMLHttpRequest();
var url = "server.php?_dc="+new Date().getTime();
XMLHttpReq.open("GET", url, true);
XMLHttpReq.onreadystatechange = processResponse;//指定响应函数
XMLHttpReq.send(null); // 发送请求
}
<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 = "server.php";
XMLHttpReq.open("GET", 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。");
}
}
}
function DisplayHot()
{
var theDate = XMLHttpReq.responseText ;//如果出现编码问题,可以在服务端escape一下,然后在这里使用unescape( responseText )
result.innerHTML = theDate ;
}
</script>
<script type="text/javascript">
var xmlhttp;
function getResponse()
{
url="server.php";
xmlhttp=new Ajax.PeriodicalUpdater('result',url,
{method:"post",
asynchronous:true,
frequency:15,
delay: 20,
parameters:""
});
}
function StopResponse()
{
xmlhttp.stop();
}
getResponse();
</script>