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前天在虚拟机的UBUNTU操作系统系安装PHP和APACHE服务器,跟着谷歌的帖子做的都成功了,但编了一个AJAX代码程序,却不能在火狐浏览器上显示,请问是为什么?
当我点击Fetch the message 时底下的文件应该变为预设的php文件里面的内容,可却什么也没显示?
代码如下:
php文件:
<?php
echo 'This text was also fetched from the server with Ajax.';
?>
html代码:
<html>
<head>
<title>An Ajax demo</title>
<script language = "javascript">
var XMLHttpRequestObject = false;
if (window.XMLHttpRequest) {
XMLHttpRequestObject = new XMLHttpRequest();
}
function getData(dataSource, divID)
{
if(XMLHttpRequestObject) {
var obj = document.getElementById(divID);
XMLHttpRequestObject.open("GET", dataSource);
XMLHttpRequestObject.onreadystatechange = function()
{
if (XMLHttpRequestObject.readyState == 4 &&
XMLHttpRequestObject.status == 200) {
obj.innerHTML = XMLHttpRequestObject.responseText;
}
}
XMLHttpRequestObject.send(null);
}
}
</script>
</head>
<body>
<H1>An Ajax demo</H1>
<form>
<input type = "button" value = "Fetch the message"
onclick = "getData('data.php', 'targetDiv')">
</form>
<div id="targetDiv">
<p>The fetched message will appear here.</p>
</div>
</body>
</html> |
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