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我试图修改某人编写的JavaScript代码,将URL变量(称为制造商)传递给Java类。有趣的是该文件是一个带有JavaScript的HTML文件。因为我是新来的JSP,我甚至不知道这是否可以做到的,但这里是HTML/JavaScript代码:如何使用URL将变量传递给JSP类?
<html>
<head>
<script type="text/javascript">
var url = "\QWMASMatch"; // The server-side script
function Table(){
var currentTime=new Date();
var ele = document.getElementById('Table');
function handleHttpResponse()
{
if (http.readyState == 4) {
ele.innerHTML = http.responseText;
}
}
var http = getHTTPObject(); // We create the HTTP Object
var tempUrl = url;
String manufacturer = request.getParameter("manufacturer");
if (manufacturer != null && !manufacturer.equals(""))
{
http.open("GET", tempUrl+"?"+"manufacturer="+manufacturer, true);
http.onreadystatechange = handleHttpResponse;
http.send(null);
} else {
http.open("GET", tempUrl+"?"+"Time="+currentTime, true);
http.onreadystatechange = handleHttpResponse;
http.send(null);
}
}
function getHTTPObject(){
var xmlhttp;
/*@cc_on
@if (@_jscript_version >= 5)
try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
}catch (e){
try {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}catch (E) {
xmlhttp = false;
}
}
@else
xmlhttp = false;
@end @*/
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
try {
xmlhttp = new XMLHttpRequest();
} catch (e) {
xmlhttp = false;
}
}
return xmlhttp;
}
</script>
</head>
<body>
<img src='enet.jpg'>
<div class='title'>
QuoteWerks-2-MAS</div>
<div id="Table">Loading . . . </div>
<script type="text/javascript">
Table()</script>
</body>
</html>
我想传递一个URL链接
并将该值传回到希望被该类拾取的页面中。
我加了段
String manufacturer = request.getParameter("manufacturer");
if (manufacturer != null && !manufacturer.equals(""))
{
http.open("GET", tempUrl+"?"+"manufacturer="+manufacturer, true);
http.onreadystatechange = handleHttpResponse;
http.send(null);
} else {
http.open("GET", tempUrl+"?"+"Time="+currentTime, true);
http.onreadystatechange = handleHttpResponse;
http.send(null);
}
...在Table()
功能。我对PHP更加熟悉,并且这些文件通常有一个PHP扩展,但在这种情况下,原始文件正在使用HTML将变量传递到仅带有else子句的Java类QWMASMatch
类中。任何想法我可能做错了什么?
脚本似乎依然是解决以else子句,当我试图只需键入
在此先感谢
确实apache tomcat自动知道在html文件中的分隔符之间执行java代码吗? – phill 2009-05-06 04:28:35