📄 requestheaderexample.java
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/* * Copyright 2004-2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. *//* $Id: RequestHeaderExample.java,v 1.3 2004/11/14 07:35:43 tcfujii Exp $ * */package samples.webapps.simple.servlet;import java.io.*;import java.text.*;import java.util.*;import javax.servlet.*;import javax.servlet.http.*;import samples.webapps.simple.util.HTMLFilter;/** * Example servlet showing request headers * * @author James Duncan Davidson <duncan@eng.sun.com> */public class RequestHeaderExample extends HttpServlet { ResourceBundle rb = ResourceBundle.getBundle("LocalStrings"); public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<body bgcolor=\"white\">"); out.println("<head>"); String title = rb.getString("requestheader.title"); out.println("<title>" + title + "</title>"); out.println("</head>"); out.println("<body>"); // all links relative // XXX // making these absolute till we work out the // addition of a PathInfo issue out.println("<a href=\"" + request.getContextPath() + "/servlets/reqheaders.html\">"); out.println("<img src=\"" + request.getContextPath() + "/images/code.gif\" height=24 " + "width=24 align=right border=0 alt=\"view code\"></a>"); out.println("<a href=\"" + request.getContextPath() + "/servlets/index.html\">"); out.println("<img src=\"" + request.getContextPath() + "/images/return.gif\" height=24 " + "width=24 align=right border=0 alt=\"return\"></a>"); out.println("<h3>" + title + "</h3>"); out.println("<table border=0>"); Enumeration e = request.getHeaderNames(); while (e.hasMoreElements()) { String headerName = (String)e.nextElement(); String headerValue = request.getHeader(headerName); out.println("<tr><td bgcolor=\"#CCCCCC\">"); out.println(HTMLFilter.filter(headerName)); out.println("</td><td>"); out.println(HTMLFilter.filter(headerValue)); out.println("</td></tr>"); } out.println("</table>"); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { doGet(request, response); }}⌨️ 快捷键说明
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