Cara memfungsikan form Login CodeIgniter

Assalamualaikum teman - teman ^_^
Hari ini kita akan membahas cara memfungsikan form login codeigniter.simak dan ikuti y :)

1.membuat sebuah controller untuk verifikasi admin yang masuk :
<?php

class Login extends CI_Controller{

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

}

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

function aksi_login(){
$username = $this->input->post('username');
$password = $this->input->post('password');
$where = array(
'username' => $username,
'password' => md5($password)
);
$cek = $this->m_login->cek_login("admin",$where)->num_rows();
if($cek > 0){

$data_session = array(
'nama' => $username,
'status' => "login"
);

$this->session->set_userdata($data_session);

redirect(base_url("admin"));

}else{
echo "Username dan password salah !";
}
}

function logout(){
$this->session->sess_destroy();
redirect(base_url('login'));
}
}



2.membuat fungsi aksi login di controller

function aksi_login(){
$username = $this->input->post('username');
$password = $this->input->post('password');
$where = array(
'username' => $username,
'password' => md5($password)
);
$cek = $this->m_login->cek_login("admin",$where)->num_rows();
if($cek > 0){

$data_session = array(
'nama' => $username,
'status' => "login"
);

$this->session->set_userdata($data_session);

redirect(base_url("admin"));
}else{
echo "Username dan password salah !";
}
}


3.membuat fungsi ketersedian nama dan password

$username = $this->input->post('username');

$password = $this->input->post('password');

$where = array(

'username' => $username,

'password' => md5($password)

);

4.Membuat m_login di application/models/m_login.php

5.Buat database user di xampp untuk menyimpan data yg di input

6.lalu di input data di browser,maka hasil input nama dan password tadi akan disimpan di mysql kita,dan di browser akan muncul kata anda login sesuai dengan aksi yg kita buat tadi

Selesai,itulah pembahasan kita,jika kurang jelas kamu bisa browsing di website lainnya :)
Assalamualaikum wr.wb ^_^