silumansupra/C_home.php

## C_home.php
<?php
// file controller

if (!defined('BASEPATH'))
    exit('No direct access');

class C_home extends CI_Controller {

    function __construct() {
        parent::__construct();

        //$this->load->model('');
    }

    public function index() {
        if ($this->session->userdata('status') != "login") {
            redirect(base_url("c_login"));
        }
        $this->load->view('v_home');
    }

}

## C_login.php
<?php
// file controller
class C_login extends CI_Controller {

    function __construct() {
        parent::__construct();
        $this->load->model('m_login');
    }

    function index() {
        $this->load->view('v_login');
    }

    function aksi_login() {
        $user = $this->input->post('user');
        $pass = $this->input->post('pass');

        $where = array(
            'user' => $user,
            'pass' => md5($pass)
        );

        $cek = $this->m_login->cek_login("t_user", $where)->num_rows();
        if ($cek > 0) {
            $data_session = array(
                'nama' => $user,
                'status' => "login"
            );
            $this->session->set_userdata($data_session);
            redirect(base_url("c_home"));
        } else {
            $data["error"] = "Username dan Password Salah";
            $this->load->view('v_login', $data);
            //redirect(base_url("c_login"));
        }
    }

    function logout() {
        $this->session->sess_destroy();
        redirect(base_url("c_login"));
    }

}

## M_login.php
<?php
// file Model
class M_login extends CI_Model {
    function cek_login($table, $where) {
        return $this->db->get_where($table, $where);
    }
}

## v_home.php
<?php //file views ?>
<p>
    Hello world's<br><br>
    <a href="<?php echo base_url(); ?>c_login/logout">logout</a>
</p>

## v_login.php
<?php //file views ?>
<!DOCTYPE html>
<html>
    <head>
        <title>Login Page</title>
        <style type="text/css">
            @import url(https://fonts.googleapis.com/css?family=Roboto:300);

            .login-page {
                width: 360px;
                padding: 8% 0 0;
                margin: auto;
            }
            .form {
                border-radius: 10px;
                position: relative;
                z-index: 1;
                background: #FFFFFF;
                max-width: 360px;
                margin: 0 auto 100px;
                padding: 45px;
                text-align: center;
                box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24);
            }
            .form input {
                font-family: "Roboto", sans-serif;
                outline: 0;
                background: #f2f2f2;
                width: 100%;
                border: 0;
                margin: 0 0 15px;
                padding: 15px;
                box-sizing: border-box;
                font-size: 14px;
            }
            .form button {
                font-family: "Roboto", sans-serif;
                text-transform: uppercase;
                outline: 0;
                background: #222222;
                width: 100%;
                border: 0;
                padding: 15px;
                color: #FFFFFF;
                font-size: 14px;
                -webkit-transition: all 0.3 ease;
                transition: all 0.3 ease;
                cursor: pointer;
            }
            .form button:hover,.form button:active,.form button:focus {
                background: #111111;
            }
            .form .message {
                margin: 15px 0 0;
                color: #b3b3b3;
                font-size: 12px;
            }
            .form .message a {
                color: #4CAF50;
                text-decoration: none;
            }
            .form .register-form {
                display: none;
            }
            .container {
                position: relative;
                z-index: 1;
                max-width: 300px;
                margin: 0 auto;
            }
            .container:before, .container:after {
                content: "";
                display: block;
                clear: both;
            }
            .container .info {
                margin: 50px auto;
                text-align: center;
            }
            .container .info h1 {
                margin: 0 0 15px;
                padding: 0;
                font-size: 36px;
                font-weight: 300;
                color: #1a1a1a;
            }
            .container .info span {
                color: #4d4d4d;
                font-size: 12px;
            }
            .container .info span a {
                color: #000000;
                text-decoration: none;
            }
            .container .info span .fa {
                color: #EF3B3A;
            }
            .alert {
                color: #FF0000;
            }

            body {
                background: #333333; /* fallback for old browsers */
                background: -webkit-linear-gradient(right, #333333, #111111);
                background: -moz-linear-gradient(right, #333333, #111111);
                background: -o-linear-gradient(right, #333333, #111111);
                background: linear-gradient(to left, #333333, #111111);
                font-family: "Roboto", sans-serif;
                -webkit-font-smoothing: antialiased;
                -moz-osx-font-smoothing: grayscale;
            }
        </style>
    </head>
    <body>
        <div class="login-page">
            <div class="form">
                <center>
                    <h2>Login</h2>
                </center>
                <?php
                if (isset($error)) {
                    echo "<div class='alert'>$error</div>";
                }
                ?>
                <form action="<?php echo base_url('c_login/aksi_login'); ?>" method="post">
                    <input type="text" placeholder="username" name="user"/>
                    <input type="password" placeholder="password" name="pass"/>
                    <button>login</button>
                    <p class="message">Masukkan username dan password Anda! </p>
                </form>
            </div>
        </div>
    </body>
</html>
	<?php
	// file controller

	if (!defined('BASEPATH'))
	exit('No direct access');

	class C_home extends CI_Controller {

	function __construct() {
	parent::__construct();

	//$this->load->model('');
	}

	public function index() {
	if ($this->session->userdata('status') != "login") {
	redirect(base_url("c_login"));
	}
	$this->load->view('v_home');
	}

	}
	<?php
	// file controller
	class C_login extends CI_Controller {

	function __construct() {
	parent::__construct();
	$this->load->model('m_login');
	}

	function index() {
	$this->load->view('v_login');
	}

	function aksi_login() {
	$user = $this->input->post('user');
	$pass = $this->input->post('pass');

	$where = array(
	'user' => $user,
	'pass' => md5($pass)
	);

	$cek = $this->m_login->cek_login("t_user", $where)->num_rows();
	if ($cek > 0) {
	$data_session = array(
	'nama' => $user,
	'status' => "login"
	);
	$this->session->set_userdata($data_session);
	redirect(base_url("c_home"));
	} else {
	$data["error"] = "Username dan Password Salah";
	$this->load->view('v_login', $data);
	//redirect(base_url("c_login"));
	}
	}

	function logout() {
	$this->session->sess_destroy();
	redirect(base_url("c_login"));
	}

	}
	<?php
	// file Model
	class M_login extends CI_Model {
	function cek_login($table, $where) {
	return $this->db->get_where($table, $where);
	}
	}
	<?php //file views ?>
	<p>
	Hello world's<br><br>
	<a href="<?php echo base_url(); ?>c_login/logout">logout</a>
	</p>
	<?php //file views ?>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Login Page</title>
	<style type="text/css">
	@import url(https://fonts.googleapis.com/css?family=Roboto:300);

	.login-page {
	width: 360px;
	padding: 8% 0 0;
	margin: auto;
	}
	.form {
	border-radius: 10px;
	position: relative;
	z-index: 1;
	background: #FFFFFF;
	max-width: 360px;
	margin: 0 auto 100px;
	padding: 45px;
	text-align: center;
	box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24);
	}
	.form input {
	font-family: "Roboto", sans-serif;
	outline: 0;
	background: #f2f2f2;
	width: 100%;
	border: 0;
	margin: 0 0 15px;
	padding: 15px;
	box-sizing: border-box;
	font-size: 14px;
	}
	.form button {
	font-family: "Roboto", sans-serif;
	text-transform: uppercase;
	outline: 0;
	background: #222222;
	width: 100%;
	border: 0;
	padding: 15px;
	color: #FFFFFF;
	font-size: 14px;
	-webkit-transition: all 0.3 ease;
	transition: all 0.3 ease;
	cursor: pointer;
	}
	.form button:hover,.form button:active,.form button:focus {
	background: #111111;
	}
	.form .message {
	margin: 15px 0 0;
	color: #b3b3b3;
	font-size: 12px;
	}
	.form .message a {
	color: #4CAF50;
	text-decoration: none;
	}
	.form .register-form {
	display: none;
	}
	.container {
	position: relative;
	z-index: 1;
	max-width: 300px;
	margin: 0 auto;
	}
	.container:before, .container:after {
	content: "";
	display: block;
	clear: both;
	}
	.container .info {
	margin: 50px auto;
	text-align: center;
	}
	.container .info h1 {
	margin: 0 0 15px;
	padding: 0;
	font-size: 36px;
	font-weight: 300;
	color: #1a1a1a;
	}
	.container .info span {
	color: #4d4d4d;
	font-size: 12px;
	}
	.container .info span a {
	color: #000000;
	text-decoration: none;
	}
	.container .info span .fa {
	color: #EF3B3A;
	}
	.alert {
	color: #FF0000;
	}

	body {
	background: #333333; /* fallback for old browsers */
	background: -webkit-linear-gradient(right, #333333, #111111);
	background: -moz-linear-gradient(right, #333333, #111111);
	background: -o-linear-gradient(right, #333333, #111111);
	background: linear-gradient(to left, #333333, #111111);
	font-family: "Roboto", sans-serif;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	}
	</style>
	</head>
	<body>
	<div class="login-page">
	<div class="form">
	<center>
	<h2>Login</h2>
	</center>
	<?php
	if (isset($error)) {
	echo "<div class='alert'>$error</div>";
	}
	?>
	<form action="<?php echo base_url('c_login/aksi_login'); ?>" method="post">
	<input type="text" placeholder="username" name="user"/>
	<input type="password" placeholder="password" name="pass"/>
	<button>login</button>
	<p class="message">Masukkan username dan password Anda! </p>
	</form>
	</div>
	</div>
	</body>
	</html>