httphello.java

来自「java2 primer plus一书源程序」· Java 代码 · 共 86 行

JAVA
86 行
字号 
/*
 * HTTPHello.java
 *
 * Created on June 22, 2002, 9:59 AM
 */

import javax.servlet.*;
import javax.servlet.http.*;

/**
 *
 * @author  Stephen Potts
 * @version
 */
public class HTTPHello extends HttpServlet
{
    
    /** Initializes the servlet.
     */
    public void init(ServletConfig config) throws ServletException
    {
        super.init(config);
        
    }
    
    /** Destroys the servlet.
     */
    public void destroy()
    {
        
    }
    
    /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, java.io.IOException {
        response.setContentType("text/html");
        java.io.PrintWriter out = response.getWriter();
        out.println("<html>");
        out.println("<head>");
        out.println("<title>HTTPHello</title>");
        out.println("</head>");
        out.println("<body>");
        
        //Make the font large
        out.println("<H1>");
        //Make the font bold
        out.println("<B>");
        
        out.println("Hello from the HTTPHello Servlet");
        out.println("</H1>");
        out.println("</B>");
         
        out.println("</body>");
        out.println("</html>");
        out.close();
    }
    
    /** Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, java.io.IOException {
        processRequest(request, response);
    }
    
    /** Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, java.io.IOException {
        processRequest(request, response);
    }
    
    /** Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "This is the HTTPHello Servlet";
    }
    
}

httphello.java - 源码说明

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