index.php
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<mce:script type="text/javas
var xmlHttp;
function createXMLHttpRequest(){
if(window.ActiveXObject){
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if(window.XMLHttpRequest){
xmlHttp = new XMLHttpRequest();
}
}
function start(){
createXMLHttpRequest();
var url="getTime.php";
xmlHttp.open("GET",url,true);
xmlHttp.on
xmlHttp.send(null);
}
function callback(){
if(xmlHttp.readyState == 4){
if(xmlHttp.status == 200){
document.getElementById("showtime").innerHTML = xmlHttp.responseText;
setTimeout("start()",1000);
}
}
}
// --></mce:script>
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=gb2312" />
</head>
<body>
<h1>Ajax動態顯示時間</h1>
<input type="button" value="開始顯示時間" id="go" on
<p>當前時間：<font color="red"><span id="showtime"></span></font></p>
</body>
</html>
<mce:script type="text/javas
var xmlHttp;
function createXMLHttpRequest(){
if(window.ActiveXObject){
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if(window.XMLHttpRequest){
xmlHttp = new XMLHttpRequest();
}
}
function start(){
createXMLHttpRequest();
var url="getTime.php";
xmlHttp.open("GET",url,true);
xmlHttp.on
xmlHttp.send(null);
}
function callback(){
if(xmlHttp.readyState == 4){
if(xmlHttp.status == 200){
document.getElementById("showtime").innerHTML = xmlHttp.responseText;
setTimeout("start()",1000);
}
}
}
// --></mce:script>
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=gb2312" />
</head>
<body>
<h1>Ajax動態顯示時間</h1>
<input type="button" value="開始顯示時間" id="go" on
<p>當前時間：<font color="red"><span id="showtime"></span></font></p>
</body>
</html>
getTime.php
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<?php
header("cache-control:no-cache,must-revalidate");
header("Content-Type:text/html;charset=gb2312");
$showtime = date("北京時間Y年m月d日H:i:s");
echo $showtime;
?>
