[英]CodeIgniter 3.0.3 ci_session not saving session data to ci_sesstion table
我是CodeIgniter的新手,現在我保存的login \\注銷ci_session數據有一些問題。 我已經使用CodeIgniter文檔中的腳本設置了標准的ci_session表,並設置了配置文件以允許將會話存儲在相關表中,但是沒有任何內容。
會話的config.php settinh:
$config['sess_driver'] = 'files';
$config['sess_cookie_name'] = 'ci_session';
$config['sess_encrypt_cookie'] = TRUE;
$config['sess_use_database'] = TRUE;
$config['sess_expire_on_close'] = TRUE;
$config['sess_table_name'] = 'ci_session';
$config['sess_expiration'] = 60 * 30;
$config['sess_save_path'] = NULL;
$config['sess_match_ip'] = FALSE;
$config['sess_match_useragent'] = TRUE;
$config['sess_time_to_update'] = 300;
$config['sess_regenerate_destroy'] = TRUE;
以下是登錄表單MVC文件:
模型登錄
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class login_model extends CI_Model
{
function __construct()
{
// Call the Model constructor
parent::__construct();
}
//get the username & password from tbl_usrs
function get_user($username, $password)
{
$this->db->where('username', $username);
$this->db->where('password', sha1($password));
$query = $this->db->get('tbl_users');
return $query->num_rows();
}
}
查看登錄
<?php defined('BASEPATH') OR exit('No direct script access allowed'); ?>
<div class="container">
<div class="col-xs-12 col-sm-9 col-md-9 col-lg-9">
<div class="well col-xs-12 col-sm-12 col-md-12 col-lg-10">
<?php
$attributes = array("class" => "form-horizontal", "id" => "loginform", "name" => "loginform");
echo form_open("account/login/", $attributes);?>
<?php echo $this->session->flashdata('msg'); ?>
<fieldset>
<legend>Login</legend>
<div class="form-group">
<div class="col-xs-12 col-sm-12 col-md-12 col-lg-12">
<label for="txt_username" class="control-label">Username</label>
</div>
<div class="col-xs-12 col-sm-12 col-md-12 col-lg-12">
<input class="form-control" id="txt_username" name="txt_username" placeholder="Please enter your username here." type="text" value="<?php echo set_value('txt_username'); ?>" />
<span class="text-danger"><?php echo form_error('txt_username'); ?></span>
</div>
</div>
<div class="form-group">
<div class="col-xs-12 col-sm-12 col-md-12 col-lg-12">
<label for="txt_password" class="control-label">Password</label>
</div>
<div class="col-xs-12 col-sm-12 col-md-12 col-lg-12">
<input class="form-control" id="txt_password" name="txt_password" placeholder="Please enter your password here." type="password" value="<?php echo set_value('txt_password'); ?>" />
<span class="text-danger"><?php echo form_error('txt_password'); ?></span>
</div>
</div>
<div class="form-group">
<div class="col-xs-12 col-sm-12 col-md-6 col-lg-6">
<input id="btn_login" name="btn_login" type="submit" class="btn btn-primary btn-lg col-xs-12" style="margin-top: 5px; margin-bottom: 5px;" value="Login" />
</div>
<div class="col-xs-12 col-sm-12 col-md-6 col-lg-6">
<input id="btn_cancel" name="btn_cancel" type="reset" class="btn btn-primary btn-lg col-xs-12" style="margin-top: 5px; margin-bottom: 5px;" value="Cancel" />
</div>
</div>
</fieldset>
<?php echo form_close(); ?>
</div>
</div>
<div class="col-xs-12 col-sm-3 col-md-3 col-lg-3">
<p>test</p>
</div>
</div>
控制器登錄
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class login extends CI_Controller
{
public function __construct()
{
parent::__construct();
$this->load->model('account/login_model');
}
public function index()
{
$data['Title'] = "";
$data['Description'] = "";
$data['Keywords'] = "";
$data['Type'] = "";
$data['Url'] = "";
$this->load->view('includes/header', $data);
//get the posted values
$username = $this->input->post("txt_username");
$password = $this->input->post("txt_password");
//set validations
$this->form_validation->set_rules("txt_username", "Username", "trim|required|min_length[8]|max_length[30]|xss_clean");
$this->form_validation->set_rules("txt_password", "Password", "trim|required|min_length[8]|max_length[32]|xss_clean");
if ($this->form_validation->run() == FALSE)
{
//validation fails
$this->load->view('account/login');
}
else
{
//validation succeeds
if ($this->input->post('btn_login') == "Login")
{
//check if username and password is correct
$usr_result = $this->login_model->get_user($username, $password);
if ($usr_result > 0) //active user record is present
{
//set the session variables
$sessiondata = array(
'username' => $username,
'loginuser' => TRUE
);
$this->session->set_userdata($sessiondata);
redirect("members/members_area");
}
else
{
$this->session->set_flashdata('msg', '<div class="alert alert-danger text-center">Invalid username or password! Please try again.</div>');
redirect('account/login');
}
}
else
{
redirect('account/login');
}
}
$this->load->view('includes/footer');
}
}
登錄似乎可以正常工作,並重定向到成員區域,但是當我檢查ci_session表時,它為空。
進入成員區域后,我要注銷,這應該破壞當前會話,然后重定向到不起作用的index.php主頁。
這是成員V \\ C
管制員區
<?php defined('BASEPATH') OR exit('No direct script access allowed');
class Members_Area extends CI_Controller {
public function __construct()
{
parent::__construct();
$this->loginuser();
}
public function index()
{
$data['Title'] = "";
$data['Description'] = "";
$data['Keywords'] = "";
$data['Type'] = "";
$data['Url'] = "";
$this->load->view('includes/member_header' , $data);
$this->load->view('members/members-area');
$this->load->view('includes/footer');
}
function loginuser()
{
$loginuser = $this->session->userdata('loginuser');
if (!isset($loginuser) || $loginuser != true )
{
echo 'Sorry you dont have premission to access this area. Please signup and login to gain access to this area.';
die();
}
}
}
查看會員區
<div class="container">
<div class="well col-xs-12 col-sm-12 col-md-12 col-lg-12">
<h3>Members Area</h3><br />
</div>
</div>
這是注銷V和C
控制器登出
<?php defined('BASEPATH') OR exit('No direct script access allowed');
class Logout extends CI_Controller {
public function index()
{
$data['Title'] = "";
$data['Description'] = "!";
$data['Keywords'] = "";
$data['Type'] = "";
$data['Url'] = "";
$this->load->view('includes/header' , $data);
// destroy session
$this->session->sess_destroy();
// redirect to other page
redirect('account/logout');
$this->load->view('includes/footer');
}
}
查看登出
<?php defined('BASEPATH') OR exit('No direct script access allowed'); ?>
<div class="container">
<div class="col-xs-12 col-sm-9 col-md-9 col-lg-9">
<h2>You have logged out.</h2>
</div>
</div>
<div class="col-xs-12 col-sm-3 col-md-3 col-lg-3">
<p>test</p>
</div>
</div>
大家的任何建議或指示都將為您帶來巨大的幫助。
謝謝!
如下更改您的config.php,它將會話存儲在數據庫中。
$config['sess_driver'] = 'database';
$config['sess_cookie_name'] = 'ci_session';
$config['sess_expiration'] = 7200;
$config['sess_save_path'] = 'ci_sessions';
$config['sess_match_ip'] = FALSE;
$config['sess_time_to_update'] = 300;
$config['sess_regenerate_destroy'] = FALSE;
在CI 3.x中,數據庫表結構已更改,在數據庫中,您創建了在配置文件中提到的表(此處為ci_sessions)
CREATE TABLE IF NOT EXISTS `ci_sessions` (
`id` varchar(40) NOT NULL,
`ip_address` varchar(45) NOT NULL,
`timestamp` int(10) unsigned DEFAULT 0 NOT NULL,
`data` blob NOT NULL,
KEY `ci_sessions_timestamp` (`timestamp`)
);
請參閱鏈接CI 3.0.3會話庫 。
希望這對您有所幫助。
在您的config.php文件中,您需要啟用ci會話:
$config['sess_use_database'] = TRUE;
從CI用戶指南中:
一旦啟用,Session類將在數據庫中存儲會話數據。
確保在配置文件中也指定了表名:
$config['sess_table_name'] = 'ci_sessions';
您可以根據表名更改此名稱。
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