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/*
* To change this template, 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.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
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 javax.swing.JOptionPane;
/**
*
* @author Blaugrana
*/
@WebServlet(name="EmployeeDetails", urlPatterns={"/EmployeeDetails"})
public class EmployeeDetails extends HttpServlet {
static int i;
Connection con;
PrintWriter out;
ResultSet rs;
public void init()
{
i = 0;
con = null;
out = null;
rs = null;
}
/**
* 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");
}
// <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 {
i++;
out = response.getWriter();
out.println("<B>You are no. " +i+" to visit this site.</B><BR><BR>");
// PrintWriter out = response.getWriter();
try {
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
con = DriverManager.getConnection("jdbc:sqlserver://localhost:1433;databaseName=CraySystems", "sa", "passer");
//con = DriverManager.getConnection("jdbc:sqlserver://localhost:1433;databaseName=CraySystems", "sa", "passer");
PreparedStatement psmt = null;
String query = null;
query = "select id_client, nom, prenom from client where id_client=?";
psmt = con.prepareStatement(query);
psmt.setInt(1, Integer.parseInt(request.getParameter("id")));
rs = psmt.executeQuery();
out.println("<B><center>Client détails</center></B><BR><BR>");
ResultSetMetaData rsmd = rs.getMetaData();
int colcount = rsmd.getColumnCount();
out.println("<table align = center border = 1 cellpadding = 2>");
out.println("<tr>");
for(int i =1; i <=colcount; i++)
{
out.println("<th>"+ rsmd.getColumnLabel(i)+"</th>");
}
out.println("</tr>");
while(rs.next())
{
out.println("<tr>");
out.println("<td>"+rs.getString("id_client")+"</td>");
out.println("<td>"+rs.getString("nom")+"</td>");
out.println("<td>"+rs.getString("prenom")+"</td>");
out.println("</tr>");
}
out.println("</table>");
out.println("</body>");
/* TODO output your page here
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet EmployeeDetails</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Servlet EmployeeDetails at " + request.getContextPath () + "</h1>");
out.println("</body>");
out.println("</html>");
*/
} catch (ClassNotFoundException ex) {
Logger.getLogger(EmployeeDetails.class.getName()).log(Level.SEVERE, null, ex);
} catch (SQLException ex) {
Logger.getLogger(EmployeeDetails.class.getName()).log(Level.SEVERE, null, ex);
} finally {
try {
con.close();
} catch (SQLException ex) {
Logger.getLogger(EmployeeDetails.class.getName()).log(Level.SEVERE, null, ex);
}
out.close();
try {
rs.close();
} catch (SQLException ex) {
Logger.getLogger(EmployeeDetails.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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