📄 greetingservlet.java
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/* * * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. * * This software is the proprietary information of Sun Microsystems, Inc. * Use is subject to license terms. * */import java.io.*;
import java.util.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
* This is a simple example of an HTTP Servlet. It responds to the GET
* method of the HTTP protocol.
*/
public class GreetingServlet extends HttpServlet {
public void doGet (HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html"); response.setBufferSize(8192); PrintWriter out = response.getWriter(); // then write the data of the response out.println("<html>" + "<head><title>Hello</title></head>");
// then write the data of the response
out.println("<body bgcolor=\"#ffffff\">" + "<img src=\"duke.waving.gif\">" + "<h2>My name is Duke. What's yours?</h2>" + "<form method=\"get\">" + "<input type=\"text\" name=\"username\" size=\"25\">" + "<p></p>" + "<input type=\"submit\" value=\"Submit\">" + "<input type=\"reset\" value=\"Reset\">" + "</form>"); String username = request.getParameter("username"); if ( username != null && username.length() > 0 ) { RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/response"); if (dispatcher != null) dispatcher.include(request, response); } out.println("</body></html>"); out.close(); } public String getServletInfo() { return "The Hello servlet says hello."; } }⌨️ 快捷键说明
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