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- /*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
- import java.io.IOException;
- import java.io.PrintWriter;
- import java.sql.Connection;
- import java.sql.DriverManager;
- import java.sql.ResultSet;
- import javax.servlet.RequestDispatcher;
- import javax.servlet.ServletContext;
- import javax.servlet.ServletException;
- import javax.servlet.http.HttpServlet;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- import javax.servlet.http.HttpSession;
- /**
- *
- * @author Piotrek
- */
- public class FirstPage 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>Biblioteka</title>");
- out.println("</head>");
- out.println("<body>");
- }
- }
- public void Rejestracja(HttpServletRequest request, HttpServletResponse response) throws IOException{
- PrintWriter out= response.getWriter();
- String login = request.getParameter("login");
- String haslo = request.getParameter("haslo");
- String imie = request.getParameter("imie");
- String nazwisko = request.getParameter("nazwisko");
- try {
- Class.forName("com.mysql.jdbc.Driver");
- Connection connect = DriverManager.getConnection("jdbc:mysql://localhost/biblioteka","root","");
- java.sql.PreparedStatement ps =
- connect.prepareStatement("insert into uzytkownik values(?,?,?,?,?,0,\"nieaktywny\");");
- ps.setInt(1,0);
- ps.setString(2,login);
- ps.setString(3,haslo);
- ps.setString(4,imie);
- ps.setString(5,nazwisko);
- int result = ps.executeUpdate();
- if(result>0)
- out.print("Rejestracja zakonczona pomyślnie, czekaj na zatwierdzenie przez administratora...");
- }catch(Exception e2){
- System.out.println(e2);
- }
- /*String form = "";
- form += "<form action =\"FirstPage\" method= 'post'>";
- form += "Login:<input type=\"text\" name=\"login\"/><br/>";
- form += "Haslo:<input type=\"password\" name=\"haslo\"/><br/>";
- form += "Imie:<input type=\"text\" name=\"imie\"/><br/>";
- form += "Nazwisko:<input type=\"text\" name=\"nazwisko\"/><br/>";
- form += "<input type=\"submit\" value=\"Zarejestruj\"/>";
- form += "</form>";
- form += "</body></html>";
- out.println(form);*/
- //out.close();
- }
- public void Logowanie(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException{
- HttpSession ses = request.getSession();
- response.setContentType("text/html;charset=UTF-8");
- PrintWriter out = response.getWriter();
- out.println(ses.getAttribute("zalogowany"));
- //processRequest(request,response);
- boolean status = false;
- String l = request.getParameter("login");
- String h = request.getParameter("haslo");
- try {
- Class.forName("com.mysql.jdbc.Driver");
- Connection connect = DriverManager.getConnection("jdbc:mysql://localhost/biblioteka","root","");
- java.sql.PreparedStatement ps =
- connect.prepareStatement("Select * from uzytkownik where login = ? and haslo = ? ;");
- ps.setString(1,l);
- ps.setString(2,h);
- ResultSet rs = null;
- rs = ps.executeQuery();
- status=rs.next();
- }catch(Exception e2){
- System.out.println(e2);
- }
- if(status){
- ses.setAttribute("zalogowany", "tak");
- System.out.println("jesteś zalogowany chuju");
- ServletContext context = getServletContext();
- RequestDispatcher rd=context.getRequestDispatcher("/WEB-INF/logowanie.html");//na tego htmla tymczasowo - do zmiany
- rd.forward(request, response);
- //processRequest(request, response);
- }
- 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);
- PrintWriter out= response.getWriter();
- out.println("<!DOCTYPE html>");
- out.println("<html>");
- out.println("<head>");
- out.println("<title>Biblioteka</title>");
- out.println("</head>");
- out.println("<body>");
- String form = "";
- form += "<form action =\"FirstPage\" method= 'post'>";
- form += "Login:<input type=\"text\" name=\"login\"/><br/>";
- form += "Haslo:<input type=\"password\" name=\"haslo\"/><br/>";
- form += "Imie:<input type=\"text\" name=\"imie\"/><br/>";
- form += "Nazwisko:<input type=\"text\" name=\"nazwisko\"/><br/>";
- form += "<input type=\"submit\" value=\"Zarejestruj\"/>";
- form += "</form>";
- form += "<form action=\"FirstPage\" method=\"post\">";
- form += "Login:<input type=\"text\" name=\"login\"/><br/>";
- form += "Haslo:<input type=\"password\" name=\"haslo\"/><br/>";
- form += "<input type=\"submit\" value=\"Zaloguj\"/>";
- form += "</form>";
- form += "</body></html>";
- out.println(form);
- }
- /**
- * 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 {
- Rejestracja(request, response);
- Logowanie(request, response);
- }
- /**
- * 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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