如何在登录后返回重定向页面（codeigniter）？ [英] How to get back to the redirecting page after login (codeigniter)?

问题描述

我的CI应用程式中有登入控制器：

I have login controller in my CI app:

function index()
{
    if($this->session->userdata('logged_in')==TRUE) 
        redirect('/success');

    $data['error']=$this->session->flashdata('errormessage');
    $this->load->view('auth',$data);
}

function process_login()
{

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

    if($password == "good_pwd")
    {
    $data=array('username'=>$username,'logged_in'=>TRUE);
    $this->session->set_userdata($data);
    redirect('/success');   
    }   
    else 
    {
        $this->session->set_flashdata('errormessage','Login failed');
        redirect('/failed');
    }
}

这是我在主控制器中的安全构造函数：

Thats my securing constructor in main controller:

function __construct()
{
    parent::__construct();
    if($this->session->userdata('logged_in')!=TRUE)  redirect('/login');
}

当我试图进入www.mysite.com/main/ function1 /我没有登录，然后构造函数将我重定向到登录页面 - 当我正确登录，我被重定向到主首页，而不是页面，将我重定向到登录页面（在这个示例中：www.mysite .com / main / function1 /） - 如何做？

When I'm trying to get into www.mysite.com/main/function1/ and I'm not logged in, then constructor redirects me into login page - when I log in correct I'm being redirected into main home page instead of page which redirected me into login page (in this example case: www.mysite.com/main/function1/ ) - how to do it?

推荐答案

会话，所以你可以返回到上一页，类似以下的行：

you'd need to store your request URI in a session for this, so you can return to the previous page, something along the lines of:

function __construct()
{
    parent::__construct();
    if($this->session->userdata('logged_in')!=TRUE) {
        $this->load->helper('url');
        $this->session->set_userdata('last_page', current_url());
        redirect('/login');
    }
}

...您可以使用会话数据重定向回

... you can then use session data to redirect back

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