login.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Login extends CI_Controller {
  function __construct(){
    parent::__construct();
    $this->load->helper(array('form','url'));
    $this->load->model('m_login');
    $this->load->library('session', 'form_validation');
  }
  function index()
  {
    $this->load->view('admin/v_login');
  }
  function valid(){
    $data=array(
      'username'=>$this->input->post('username'),
      'password'=>$this->input->post('password')
      );
    $this->form_validation->set_error_delimiters('<div class="error">', '</div>');
    $this->form_validation->set_rules('username', 'Username', 'trim|required|xss_clean');
    $this->form_validation->set_rules('password', 'Password', 'trim|required|xss_clean');
    if ($this->form_validation->run() == FALSE) {
        $this->m_login->m_aksi($data);
        $this->session->set_userdata($data);
        redirect('admin/login/sukses', 'refresh');
    }else{
      $this->load->view('admin/v_login');
    }
  }
  function sukses()
  {
    redirect('admin/dasabor', 'refresh');
  }
  function logout(){
    $this->session->unset_userdata('');
    $this->load->view('admin/v_login');
  }
}