Jumat, 17 Januari 2014

Koding PHP Membuat Login

1. koneksi.php
 
<?php
$host = "localhost";
$user = "root";
$pass = "";
$db = "data";
$konek = mysql_connect($host, $user, $password) or die ('Koneksi Gagal! ');
mysql_select_db($db);
?>

2. login.php

<?php
session_start();
if(isset($_SESSION['username'])) {
header('location:menu.php'); }
require_once("koneksi.php");
?>
<html>
<head>
<title>Login</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><style type="text/css">
<!--
body {
    background-image: url(images/ERTIGA.gif);
    background-repeat: no-repeat;
    background-color: #FFFFFF;
}
a:link {
    text-decoration: none;
}
a:visited {
    text-decoration: none;
}
a:hover {
    text-decoration: none;
}
a:active {
    text-decoration: none;
}
.style1 {color: #0000FF}
.style7 {font-size: 14px}
.style10 {color: #0000FF; font-size: 24px; font-weight: bold; font-family: "Times New Roman", Times, serif;}
-->
</style></head>
<body>
<center>
<form action="proseslogin.php" method="post">
<tr><td colspan="2" align="center"><h1 align="right" class="style1"><img src="images/dc.jpg" width="308" height="78"></h1>
  </td></tr>

  <div align="right">
    <table border="0" align="right" bordercolor="#FFFFFF" bgcolor="#6CCFFF">
      <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td width="2" rowspan="4">&nbsp;</td>
        <td colspan="3" rowspan="2"><div align="center" class="style10">LOGIN </div></td>
        <td width="17" rowspan="3">&nbsp;</td>
      </tr>
      <tr>
        <td width="1">&nbsp;</td>
        <td width="1">&nbsp;</td>
        </tr>
      <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td colspan="2">Username          </td>
        <td><input type="" name="username"></td>
      </tr>
      <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td width="60">Password</td>
          <td width="9">&nbsp;</td>
          <td width="144"><input type="password"name="password"></td>
          <td>&nbsp;</td>
        </tr>
      <tr><td height="36" colspan="7" align="right"><div align="center">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        <input type="submit" value="Login">
        <input type="reset" value="Batal">
      </div></td></tr>
      <tr valign="bottom"><td height="59" colspan="7" align="center"><p>Belum Punya akun ? <a href="daftar.php"><b>Daftar</b></a></p>
        <p>&nbsp;</p></td></tr>
    </table>
  </div>
</form>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<form name="form1" method="post" action="">
  <span class="style7">&nbsp;&nbsp;&copy;  2014 Project Pemrograman Web </span>
</form>
<p>&nbsp;</p>
</center>
</body>
</html

3. proseslogin.php

<?php
require_once("koneksi.php");
$username = $_POST['username'];
$pass = $_POST['password'];
$cekuser = mysql_query("SELECT * FROM login WHERE username = '$username'");
if(mysql_num_rows($cekuser) <> 0) {
echo "Username Sudah Terdaftar!<br/>";
echo "<a href='daftar.php'>Back</a>";
} else {
if(!$username || !$pass) {
echo "Masih ada data yang kosong!<br/>";
echo "<a href='daftar.php'>Back</a>";
} else {
$cekuser = mysql_query("INSERT INTO login(username, password) VALUES('$username','$pass')");
if(cekuser) {
echo "Pendaftaran Sukses, Silahkan <a href='login.php'>Login</a>";
} else {
echo "Proses Gagal!";
echo "<a href='daftar.php'>Back</a>";
}
}
}
?>

4. daftar.php

<?php
session_start();
if(isset($_SESSION['username'])) {
header('location:index.php'); }
?>
<html>
<head>
<title>Form Pendaftaran</title>
<style type="text/css">
<!--
.style1 {
    color: #0000FF;
    font-size: 18px;
    font-family: "Times New Roman", Times, serif;
}
.style6 {font-size: 12px}
.style7 {font-size: 14px}
.style8 {font-size: 14}
.style10 {color: #0000FF; font-size: 18px; font-family: "Times New Roman", Times, serif; font-weight: bold; }
-->
</style>
</head>
<body>
<center>
<form action="prosesdaftar.php" method="post">
  <p><img src="images/dc.jpg" width="372" height="112"></p>
  <table width="278" align="center" bgcolor="#95DDFF">
<tr><td colspan="4" align="center"><h1 class="style1"><span class="style10">DAFTAR ADMIN </span></h1>
  </td>
  </tr>
<tr>
  <td width="11">&nbsp;</td>
  <td width="63">Username</td>
  <td width="169"> &nbsp;<input type="text" name="username"></td>
  <td width="15">&nbsp;</td></tr>
<tr>
  <td>&nbsp;</td>
  <td>Password</td>
  <td>&nbsp;<input type="password" name="password"></td>
  <td>&nbsp;</td></tr>
<tr><td height="39" colspan="4" align="right"><div align="center">
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
  <input type="submit" value="Daftar">
  <input type="reset" value="Batal">
</div></td></tr>
<tr><td colspan="4" align="center"><p>Sudah Punya akun ? <a href="login.php"><b>Login</b></a></p>
  <p>&nbsp;</p></td></tr>
</table>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
</form>
<form name="form1" method="post" action="">
  <span class="style6"><span class="style7"><span class="style8">&nbsp;&nbsp;&copy;</span>2014 Project Pemrograman Web </span></span>
</form>
<p>&nbsp;</p>
</center>
</body>
</html>

5. prosesdaftar.php

<?php
require_once("koneksi.php");
$username = $_POST['username'];
$pass = $_POST['password'];
$cekuser = mysql_query("SELECT * FROM login WHERE username = '$username'");
if(mysql_num_rows($cekuser) <> 0) {
echo "Username Sudah Terdaftar!<br/>";
echo "<a href='daftar.php'>Back</a>";
} else {
if(!$username || !$pass) {
echo "Masih ada data yang kosong!<br/>";
echo "<a href='daftar.php'>Back</a>";
} else {
$cekuser = mysql_query("INSERT INTO login(username, password) VALUES('$username','$pass')");
if(cekuser) {
echo "Pendaftaran Sukses, Silahkan <a href='login.php'>Login</a>";
} else {
echo "Proses Gagal!";
echo "<a href='daftar.php'>Back</a>";
}
}
}
?>

6. logout.php

<?php
session_start();
unset($_SESSION['username']);
?>
<style type="text/css">
<!--
.style1 {color: #0000FF}
-->
</style>
<center>
<h2>&nbsp;</h2>
<h2><img src="images/New folder/book1 copy.jpg" width="105" height="77" /></h2>
<h2 class="style1">Anda Telah Berhasil Logout..!!</h2>
Silahkan klik <b><a href="menu-utama.php">Disini <b>Untuk Kembali Ke Menu Utama
</center>
<title>Logout </title>
<style type="text/css">
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