Java编程

开发平台：
Java

RequestParamExample.java：源码内容
							/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id: RequestParamExample.java 466607 2006-10-21 23:09:50Z markt $
 *
 */
import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import util.HTMLFilter;
/**
 * Example servlet showing request headers
 *
 * @author James Duncan Davidson <duncan@eng.sun.com>
 */
public class RequestParamExample 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>");
        out.println("<head>");
        String title = rb.getString("requestparams.title");
        out.println("<title>" + title + "</title>");
        out.println("</head>");
        out.println("<body bgcolor="white">");
        // img stuff not req'd for source code html showing
	// all links relative
        // XXX
        // making these absolute till we work out the
        // addition of a PathInfo issue 
	
        out.println("<a href="../reqparams.html">");
        out.println("<img src="../images/code.gif" height=24 " +
                    "width=24 align=right border=0 alt="view code"></a>");
        out.println("<a href="../index.html">");
        out.println("<img src="../images/return.gif" height=24 " +
                    "width=24 align=right border=0 alt="return"></a>");
        out.println("<h3>" + title + "</h3>");
        String firstName = request.getParameter("firstname");
        String lastName = request.getParameter("lastname");
        out.println(rb.getString("requestparams.params-in-req") + "<br>");
        if (firstName != null || lastName != null) {
            out.println(rb.getString("requestparams.firstname"));
            out.println(" = " + HTMLFilter.filter(firstName) + "<br>");
            out.println(rb.getString("requestparams.lastname"));
            out.println(" = " + HTMLFilter.filter(lastName));
        } else {
            out.println(rb.getString("requestparams.no-params"));
        }
        out.println("<P>");
        out.print("<form action="");
        out.print("RequestParamExample" ");
        out.println("method=POST>");
        out.println(rb.getString("requestparams.firstname"));
        out.println("<input type=text size=20 name=firstname>");
        out.println("<br>");
        out.println(rb.getString("requestparams.lastname"));
        out.println("<input type=text size=20 name=lastname>");
        out.println("<br>");
        out.println("<input type=submit>");
        out.println("</form>");
        out.println("</body>");
        out.println("</html>");
    }
    public void doPost(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
        doGet(request, response);
    }
}

						