Codeigniter实现处理用户登录验证后的URL跳转

Codeigniter处理用户登录验证后URL跳转,主要涉及到了My_Controller.php页面以及登录验证模块User.php页面,具体代码如下:

My_Controller.php页面:

class MY_Controller extends CI_Controller

{

    public function __construct()

    {

        parent::__construct();

        /*判断是否登录,判断当前URL是否是auth/login*/

        if ( ! $this->tank_auth->is_logged_in()

                && ( $this->router->fetch_class() != 'auth' && $this->router->fetch_method() != 'login'))

        {

            $redirect = $this->uri->uri_string();

            if ( $_SERVER['QUERY_STRING'])

            {

                $redirect .= '?' . $_SERVER['QUERY_STRING'];

            }

            /*跳转到用户登陆页面,指定Login后跳转的URL*/

            redirect('auth/login?redirect='.$redirect);

        }   

    }

}

User.php页面:

class User extends MY_Controller 

{

    function login()

    {

        if ($this->tank_auth->is_logged_in()) {                                    // logged in

            redirect('/');

        } else {

            //other codes here......

            /*判断是否有redirect信息*/

            $data['redirect'] = isset($_GET['redirect']) ? $_GET['redirect'] : '/';

            if ($this->form_validation->run()) {                                // validation ok

                if ($this->tank_auth->login(

                        $this->form_validation->set_value('login'),

                        $this->form_validation->set_value('password'),

                        $this->form_validation->set_value('remember'),

                        $data['login_by_username'],

                        $data['login_by_email'])) {                                // success

                    redirect($data['redirect']);

                } else {

                    //error handling

                }

            }

            $this->load->view("login_form")

        }

    }

/*

Note: 在login_form中需要注意,提交表单的form地址:

<?php echo form_open(site_url("/auth/login?redirect=".$redirect)); ?>

*/

}

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