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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.sql.Connection;
- import java.io.IOException;
- import java.io.PrintWriter;
- import java.sql.DriverManager;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import javax.servlet.ServletException;
- import javax.servlet.annotation.WebServlet;
- import javax.servlet.http.HttpServlet;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- import java.sql.Statement;
- import java.util.logging.Level;
- import java.util.logging.Logger;
- /**
- *
- * @author Ayush Srivastava
- */
- @WebServlet(urlPatterns = {"/conne"})
- public class conne 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
- */
- @SuppressWarnings("empty-statement")
- protected void processRequest(HttpServletRequest request,
- HttpServletResponse response)
- throws ServletException, IOException, ClassNotFoundException, SQLException {
- String connectionURL="jdbc:mysql://localhost:3306/mysql";
- String id;
- String fee;
- String name;
- String pass;
- String login;
- id=request.getParameter("SID");
- name=request.getParameter("name");
- fee=request.getParameter("FeePaid");
- pass=request.getParameter("password");
- login=request.getParameter("login_ID");
- Connection connection=null;
- Statement statement;
- ResultSet rs;
- response.setContentType("text/html;charset=UTF-8");
- PrintWriter out = response.getWriter();
- try{
- out.println("<HTML>");
- out.println("<Body>");
- Class.forName("com.mysql.jdbc.Driver");
- connection=DriverManager.getConnection(connectionURL,"root","");
- statement=connection.createStatement();
- rs=statement.executeQuery("select * from srudentdetails where LoginID='"+login+"';");
- if(!rs.next()){
- int f=statement.executeUpdate("insert into srudentdetails values('"+id+"','"+fee+"','"+name+"','"+login+"','"+pass+"');");
- }
- else{
- out.println("<p>Username Exists</p>");
- }
- out.println("<a href='login.jsp'>Go Back </a>");
- //while(rs.next()){
- //out.println(rs.getString("name")+"<br>");
- //out.println(rs.getString("last")+"<br>");
- // out.println(rs.getString("telephone")+"<br>");
- // out.println(rs.getString("email")+"<br>");
- //}
- //s.close();
- }
- catch(ClassNotFoundException | SQLException e){
- ;
- }
- }
- // <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 {
- try {
- processRequest(request, response);
- } catch (ClassNotFoundException | SQLException ex) {
- Logger.getLogger(conne.class.getName()).log(Level.SEVERE, null, ex);
- }
- }
- /**
- * 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 {
- try {
- processRequest(request, response);
- } catch (ClassNotFoundException | SQLException ex) {
- Logger.getLogger(conne.class.getName()).log(Level.SEVERE, null, ex);
- }
- }
- /**
- * 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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