显示系统环境的JSP

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JSP Java OS JVM Scheme

显示JSP系统环境。

与Apache PHP默认首页类似（备忘）

<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   enume   =   context.getAttributeNames();  
  while   (enume.hasMoreElements())   {  
  String   key   =   (String)enume.nextElement();  
  Object   value   =   context.getAttribute(key);  
  out.println(key);  
  out.println("<br   />");  
  out.println(value);  
  out.println("<hr   />");  
  }  
  %>  
   
   
  </body>  
  </html>

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