exitservlet.java

来自「Online booking system using servlets (ne」· Java 代码 · 共 82 行

JAVA
82 行
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package airtickets;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;public class ExitServlet extends HttpServlet {       /**      * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.     * @param request servlet request     * @param response servlet response     * @throws ServletException if a servlet-specific error occurs     * @throws IOException if an I/O error occurs     */    protected void processRequest(HttpServletRequest request, HttpServletResponse response)    throws ServletException, IOException {        response.setContentType("text/html;charset=UTF-8");        PrintWriter out = response.getWriter();        try {            HttpSession session = request.getSession(true);            session.invalidate();            out.println("<html>");            out.println("<head>");            out.println("<title>Servlet ExitServlet</title>");              out.println("</head>");            out.println("<body>");            out.println("<h1>Thank you!</h1>");            out.println("<a href=\"MainServlet\">First page</a>");            out.println("</body>");            out.println("</html>");                    } finally {             out.close();        }    }     // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">    /**      * Handles the HTTP <code>GET</code> method.     * @param request servlet request     * @param response servlet response     * @throws ServletException if a servlet-specific error occurs     * @throws IOException if an I/O error occurs     */    @Override    protected void doGet(HttpServletRequest request, HttpServletResponse response)    throws ServletException, IOException {        processRequest(request, response);    }     /**      * Handles the HTTP <code>POST</code> method.     * @param request servlet request     * @param response servlet response     * @throws ServletException if a servlet-specific error occurs     * @throws IOException if an I/O error occurs     */    @Override    protected void doPost(HttpServletRequest request, HttpServletResponse response)    throws ServletException, IOException {        processRequest(request, response);    }    /**      * Returns a short description of the servlet.     * @return a String containing servlet description     */    @Override    public String getServletInfo() {        return "Short description";    }// </editor-fold>}

exitservlet.java - 源码说明

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