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/* * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license * Click nbfs://nbhost/SystemFileSystem/Templates/JSP_Servlet/Servlet.java to edit this template */ package Controllers; import DAOs.AccountDAO; import Models.Account; import java.io.IOException; import java.io.PrintWriter; import jakarta.servlet.ServletException; import jakarta.servlet.http.Cookie; import jakarta.servlet.http.HttpServlet; import jakarta.servlet.http.HttpServletRequest; import jakarta.servlet.http.HttpServletResponse; import jakarta.servlet.http.HttpSession; import java.sql.SQLException; import java.util.logging.Level; import java.util.logging.Logger; /** * * @author khoic */ public class LoginController 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"); try ( PrintWriter out = response.getWriter()) { /* TODO output your page here. You may use following sample code. */ out.println("<!DOCTYPE html>"); out.println("<html>"); out.println("<head>"); out.println("<title>Servlet LoginController</title>"); out.println("</head>"); out.println("<body>"); out.println("<h1>Servlet LoginController at " + request.getContextPath() + "</h1>"); out.println("</body>"); out.println("</html>"); } } // <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 { String path = request.getRequestURI(); if (path.endsWith("/LoginController")) { request.getRequestDispatcher("/Login.jsp").forward(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 { if(request.getParameter("btnLogin") != null){ try { String us = request.getParameter("username"); String ps = request.getParameter("password"); Account acc = new Account(us, ps); AccountDAO dao = new AccountDAO(); boolean result = dao.Login(acc); boolean isAdmin = dao.IsAdmin(us); if(result){ HttpSession session = request.getSession(); if(request.getParameter("checkRem") != null){ if(isAdmin){ Cookie admin = new Cookie("admin", us); admin.setMaxAge(3 * 24 * 60 * 60); response.addCookie(admin); }else{ Cookie user = new Cookie("user",us); user.setMaxAge(3 * 24 * 60 * 60); response.addCookie(user); } } String fullname = dao.GetFullName(us); int ID = dao.GetIDFromFullname(fullname); if (isAdmin) { // Kiểm tra nếu là quản trị viên session.setAttribute("Adminstrator", fullname); session.setAttribute("AdminstratorID", ID); response.sendRedirect("/AdminController"); // Chuyển hướng đến trang "admin.jsp" P/S: thay doi } else { session.setAttribute("Customer", fullname); session.setAttribute("CustomerID", ID); response.sendRedirect("/"); // Chuyển hướng đến trang "Home.jsp" cho người dùng thông thường } }else{ response.sendRedirect("/LoginController"); } } catch (Exception e) { } } } /** * Returns a short description of the servlet. * * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }
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