<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Login extends CI_Model {
/*
* 調用方式
*
*
########## Controllers 控制器各頁面 ##########
if (!this->session->userdata("admin")) redirect("member/login");
########## Controllers 控制器部份 ##########
public function login()
{
//檢查session值
//echo this->session->userdata("admin");
//echo this->session->userdata("uid");
data["path_name"] = "登入頁";
data['base_url'] = this->config->item('base_url');
data['this_url'] = data['base_url'] . "index.php/member/login";
check = array(
'bl' => false,
'msg' => ''
);
if(isset(_POST['login']))
{
logid = this->input->post('login_id'); //對應view的表單
logpwd = this->input->post('login_pwd');
this->load->model('Login');
check = this->Login->check(logid,logpwd);//回傳參數bl(布林),以及msg 何種錯誤訊息
if (check['bl']){
newdata = array( //寫入session的參數
'uid' => logid,
'admin' => TRUE, //必須對應驗證
'logged_in' => TRUE
);
this->session->set_userdata(newdata);
redirect("member"); //成功後轉向
}
}
data['login_msg']= check['msg'] ;
this->load->view('view_login',data);
}
//登出
public function logout()
{
del_session = array('uid', 'admin', 'logged_in');
this->load->model('Login');
this->Login->logout(del_session);
redirect('member/login');
}
########## Views 視圖部份 ##########
<?php echo form_open_multipart('member/login');?>
<label>
帳號
<input type="text" name="login_id" id="login_id" />
</label>
<br />
<label>
密碼
<input type="password" name="login_pwd" id="login_pwd" />
</label>
<input type="hidden" name="login" value="1" id="login" />
<br />
<label>
<input type="submit" name="button" id="button" value="登入" />
</label>
</form>
<a href="logout">登出</a>
*
*
*/
function __construct()
{
parent::__construct();
this->load->database();
}
function check(id,pwd)
{
//讀取資料庫字串
//query = this->db->get('check_db');
key = "@lib";
msg[0] = "登入成功";
msg[1] = "查無此帳號";
msg[2] = "請重新檢查帳號密碼";
msg[3] = "無法進行認證";
if (true)//query->num_rows() > 0)
{
//check = query->result_array();
check[0]['id'] = "abc";
check[0]['pwd'] = "ecfc8084e7c6c29e3ccf3f202635a197";
check[1]['id'] = "def";
check[1]['pwd'] = "d3bb34166864b20243936820ef8c5935";
check[2]['id'] = "user";
check[2]['pwd'] = "user001";
i = 1;
foreach (check as row)
{
if(id!=row['id'])
{
check['msg'] = msg[1];
check['bl'] = false;
continue;// 檢查帳號,不是就跳出此次循環
}else{
mdpwd = md5(pwd.key);
if(mdpwd == row['pwd'])
{
//驗證成功
check['msg'] = msg[0];
check['id'] = id;
//check['level'] = "可以添加權限回傳";
check['bl'] = true;
}else{
echo "出錯訊息:" . mdpwd ."<br/>";
check['msg'] = msg[2];
check['bl'] = false;
}
break;//檢測密碼,帳號對了就不再跑迴圈
}
}
return check;
}else{
check['msg'] = msg[3];
check['bl'] = false;
return check;
}
}
function logout(del_session)
{
foreach (del_session as row)
{
this->session->unset_userdata(row);
}
}
}
/* End of file login.php */
/* Location: ./application/Model/login.php */
