十分有用的代码：检测服务器环境的JSP Info


答案：<html>
<head>
<title>JSP Info</title>
</head>
<body>
<h1>JSP Info(Mail: nscdl AT yahoo DOT com)</h1>
<hr />
Now is: <%= new java.util.Date() %>
<br />
OS name: <%= System.getProperty("os.name") %>
<br />
OS version: <%= System.getProperty("os.version") %>
<br />
OS arch: <%= System.getProperty("os.arch") %>
<br />
User name: <%= System.getProperty("user.name") %>
<br />
User home: <%= System.getProperty("user.home") %>
<br />
User dir: <%= System.getProperty("user.dir") %>
<br />
User language: <%= System.getProperty("user.language") %>
<br />
User timezone: <%= System.getProperty("user.timezone") %>
<br />
File encoding: <%= System.getProperty("file.encoding") %>
<br />
File separator: <%= System.getProperty("file.separator") %>
<br />
Path separator: <%= System.getProperty("path.separator") %>
<br />
Line separator: <%= System.getProperty("line.separator") %>
<hr />

Java version: <%= System.getProperty("java.version") %>
<br />
Java vendor: <%= System.getProperty("java.vendor") %>
<br />
JVM name: <%= System.getProperty("java.vm.name") %>
<br />
JVM version: <%= System.getProperty("java.vm.version") %>
<br />
JVM vendor: <%= System.getProperty("java.vm.vendor") %>
<br />
Java home: <%= System.getProperty("java.home") %>
<br />
Java class path: <%= System.getProperty("java.class.path") %>
<br />
Java class version: <%= System.getProperty("java.class.version") %>
<br />
Free memory: <%= Runtime.getRuntime().freeMemory()/1024.0/1024 %>MB
<br />
Total memory: <%= Runtime.getRuntime().totalMemory()/1024.0/1024 %>MB
<hr />
Your browser: <%= request.getHeader("User-Agent") %>
<br />
JSP request method: <%= request.getMethod() %>
<br />
Request URI: <%= request.getRequestURI() %>
<br />
Request protocol: <%= request.getProtocol() %>
<br />
Servlet path: <%= request.getServletPath() %>
<br />
Path info: <%= request.getPathInfo() %>
<br />
Path translated: <%= request.getPathTranslated() %>
<br />
Query string: <%= request.getQueryString() %>
<br />
Content length: <%= request.getContentLength() %>
<br />
Content type: <%= request.getContentType() %>
<br />
Server name: <%= request.getServerName() %>
<br />
Server port: <%= request.getServerPort() %>
<br />
Remote user: <%= request.getRemoteUser() %>
<br />
Remote address: <%= request.getRemoteAddr() %>
<br />
Remote host: <%= request.getRemoteHost() %>
<br />
Authorization scheme: <%= request.getAuthType() %> 
<hr />

<%
ServletContext context = getServletContext();
java.util.Enumeration enum = context.getAttributeNames();
while (enum.hasMoreElements()) {
String key = (String)enum.nextElement();
Object value = context.getAttribute(key);
out.println(key);
out.println("<br />");
out.println(value);
out.println("<hr />");
}
%>


</body>
</html>
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