disini saya akan membuat Form input / daftar data dari data karyawan. halaman yang akan dibuat ada 2 buah halaman, yaitu halaman untuk login, dan halaman untuk input sekaligus menampilkan data.
Halaman Login tampilan nya sebagai berikut :
Halaman Input Data sebagai berikut :
Halaman Login , kode nya sebagai berikut :
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 loginServlet extends HttpServlet {
final String VALID_NAME = "admin";
final String PASSWORD = "admin123";
final String CODE_VALID = "firsar";
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession(true);
if (request.getParameter("logout") != null) {
session.removeAttribute("login");
response.sendRedirect("loginServlet");
}
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("Sign In ");
out.println("");
out.println("");
String username = request.getParameter("username");
String password = request.getParameter("password");
boolean valid = false;
if (username != null && password != null){
if ((username.equalsIgnoreCase(VALID_NAME)) && (password.equalsIgnoreCase(PASSWORD))) {
valid = true;
session.setAttribute("login", username);
response.sendRedirect(response.encodeRedirectURL("employeeServlet")); ;
}
if (!valid) {
out.println("
Invalid logins!
");
}
}
out.println("
");
out.println("
");
out.println("
");
out.println("
"
+ "
FIRMAN SARI
NPM : 005131121027");
out.println("
");
out.println("
");
out.println("");
} finally {
}
}
//
/**
* Handles the HTTP GET 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 POST 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";
}//
}
Sedangkan untuk halaman input data sebagai berikut :
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.Hashtable;
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.servlet.http.HttpSession;
@WebServlet(urlPatterns = {"/employeeServlet"})
public class employeeServlet extends HttpServlet {
Hashtable data = new Hashtable();
/**
* Processes requests for both HTTP GET and POST
* 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 {
HttpSession session = request.getSession(true);
if (request.getParameter("logout") != null) {
session.removeAttribute("login");
response.sendRedirect("loginServlet");
}
if(session.getAttribute("login") == null){
response.sendRedirect("loginServlet");
}
String nik = request.getParameter("inputNIK");
String nama = request.getParameter("inputNama");
String jk = request.getParameter("rbJK");
String alamat = request.getParameter("inputAlamat");
String email = request.getParameter("inputEmail");
String jabatan = request.getParameter("selJabatan");
String checked1 = "";
String checked2 = "";
String selected = "";
String k = request.getParameter("k");
String cmd = request.getParameter("cmd");
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
if(nik == null)
nik = "";
if(nama == null)
nama = "";
if(alamat == null)
alamat = "";
if(email == null)
email = "";
if (cmd != null) {
if(cmd.equalsIgnoreCase("logout")){
session.removeAttribute("login");
response.sendRedirect("loginServlet");
}
if (cmd.equalsIgnoreCase("e")) {
String[] recEdit = (String[])data.get(k);
nik = recEdit[0];
nama = recEdit[1];
jk = recEdit[2];
alamat = recEdit[3];
email = recEdit[4];
jabatan = recEdit[5];
if(jk.equals("Laki-laki"))
checked1 = "checked";
else if(jk.equals("Perempuan"))
checked2 = "checked";
if(jabatan.equalsIgnoreCase("Manager"))
selected = "selected";
else if(jabatan.equalsIgnoreCase("Staff"))
selected = "selected";
else
selected = "";
data.replace(k, new String[] { nik, nama, jk, alamat, email, jabatan });
}
if (cmd.equalsIgnoreCase("d")) {
data.remove(k);
}
} else {
if(nik != null && nama != null && jk != null && alamat != null && email != null && jabatan != null)
{
data.put(nik, new String[] { nik, nama, jk, alamat, email, jabatan });
nik = "";
nama = "";
jk = "";
alamat = "";
email = "";
jabatan = "";
}
}
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("");
out.println("Tugas UTS - Firman Sari ");
out.println("");
out.println("");
out.println("
");
out.println("
");
out.println("
");
out.println("
"
+ "FIRMAN SARI
"
+ "NPM : 005131121027
"
+ "
");
out.println("
");
out.println("");
out.println("");
}finally {
out.close();
}
}
//
/**
* Handles the HTTP GET 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 POST 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";
}//
}
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