requestheader.java

JSP数据库编程入门第三章源码,对新手有一定的帮助

import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class RequestHeader extends HttpServlet 
{
   public void doGet(HttpServletRequest request, HttpServletResponse 
                         response)throws IOException, ServletException
   {
      response.setContentType("text/html");
      PrintWriter out = response.getWriter();
      Enumeration e = request.getHeaderNames();
      while (e.hasMoreElements()) 
      {
          String name = (String)e.nextElement();
          String value = request.getHeader(name);
          out.println("<p>"+name + " = " + value+"<p>");
      }
   }
}