📄 getexampleservlet.java

📁 java网络编程方面的源码,其中有一个整合的聊天室,比较不错,建议大家下载练习,配合java网络编程技术内幕看

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/* * Java Network Programming, Second Edition * Merlin Hughes, Michael Shoffner, Derek Hamner * Manning Publications Company; ISBN 188477749X * * http://nitric.com/jnp/ * * Copyright (c) 1997-1999 Merlin Hughes, Michael Shoffner, Derek Hamner; * all rights reserved; see license.txt for details. */import java.io.*;
import java.util.*;
import javax.servlet.http.*;

public class GetExampleServlet extends HttpServlet {
  protected void doGet (HttpServletRequest request, HttpServletResponse response) throws IOException {
    response.setContentType ("text/html");
    response.setStatus (HttpServletResponse.SC_OK);
    PrintWriter writer = response.getWriter ();
    writer.println ("<html><head><title>GetExampleServlet</title></head>");
    writer.println ("<body>");
    writer.println ("<h2>GetExampleServlet</h2>");
    writer.println ("<h3>Initialization Parameters:</h3>");
    Enumeration initParams = getInitParameterNames ();
    while (initParams.hasMoreElements ()) {
      String name = (String) initParams.nextElement ();  
      String value = getInitParameter (name);
      writer.println (name + "=" + value + "<br>");
    }
    writer.println ("<h3>Request Parameters:</h3>");
    Enumeration requestParams = request.getParameterNames ();
    while (requestParams.hasMoreElements ()) {
      String name = (String) requestParams.nextElement ();
      String value = request.getParameter (name);
      writer.println (name + "=" + value + "<br>");
    }
    writer.println ("</body></html>");
    writer.close ();
  }
}

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