我有一个在codeigniter版本2上运行的应用程序，并希望将其移动到codeigniter 3.1.2（最新版本）。我已经下载了codeigniter 3.1.2并开始重写控制器，模型和视图文件。但我得到一个错误说，
遇到错误
无法加载请求的类：数据库
我的控制器是Login.php
<?php
class Login extends CI_Controller
{
var $data;
function __construct() {
parent::__construct();
$this->load->helper('cookie');
$is_admin_logged_in = $this->admin_init_elements->admin_logged_in_status();
global $USER;
if($is_admin_logged_in == TRUE){
redirect('home');
//;
}
//populate viewfor header / footer elements
$this->admin_init_elements->init_elements('N');
$this->load->model('mod_login');
}
function index(){
//if Admin already logged in, send to Admin home
$this->data['message']='';
$this->data['msg_class'] = '';
$post_array=$this->input->post();
$data['old_images']=$this->mod_common->getBgImages();
if($this->input->cookie('remember') == 'on')
{
//echo $this->input->cookie('username');
$this->data['message']=strip_tags($this->mod_login->check_cookie_login());
if($this->data['message']=='Login Successful'){
$this->data['msg_class'] = 'sukses';
redirect('home');
}else{
$this->data['msg_class'] = 'gagal';
}
}
if($this->input->post('action')=='adminLogin'){
//print_r($this->input->post()); die;
if(isset($post_array['remember'])){
$username_cookie= array(
'name' => 'uusername',
'value' => $post_array['username'],
'expire' => '865000',
'secure' => FALSE
);
$password_cookie= array(
'name' => 'userpass',
'value' => $post_array['userpass'],
'expire' => '865000',
'secure' => FALSE
);
$remember_cookie= array(
'name' => 'remember',
'value' => 'on',
'expire' => '865000',
'secure' => FALSE
);
$this->input->set_cookie($username_cookie);
$this->input->set_cookie($password_cookie);
$this->input->set_cookie($remember_cookie);
//die;
}
else
{
if($this->input->cookie('remember') == 'on')
{
if($this->input->cookie('uusername') != $post_array['username'])
{
delete_cookie("remember");
delete_cookie("uusername");
delete_cookie("userpass");
}
}
}
$this->data['message']=strip_tags($this->mod_login->validate_admin_login());
if($this->data['message']=='Login Successful'){
$this->data['msg_class'] = 'sukses';
redirect('home');
}else{
$this->data['msg_class'] = 'gagal';
}
} /*else if(isset()){
}*/
///////////////////////
$this->data['cookieRemember'] = $this->input->cookie('remember');
$this->data['cookieUsername'] = $this->input->cookie('username');
$this->data['cookiePassword'] = $this->input->cookie('userpass');
//echo $this->data['cookieRemember'];echo $this->data['cookieUsername']; echo $this->data['cookiePassword'];
//////////////////////
$this->data['cookiename'] = $this->input->cookie('name', false);
$this->data['cookieimage'] = $this->input->cookie('image', false);
$sess_msg = $this->session->userdata('session_msg');
$session_msg_class = $this->session->userdata('session_msg_class');
if(isset($sess_msg) && $sess_msg!= ''){
$this->data['message']=$sess_msg;
$this->data['msg_class'] = $session_msg_class!=''?$session_msg_class:'gagal';
}
//render full layout, specific to this function
$this->load->view('login', $this->data);
}
////////////////////////////////////////////////////////////////////////////////
function forgot_password(){
$this->load->view('send_reset_link', $this->data);
}
function send_pass_reset_link(){
$post_array=$this->input->post();
if($post_array['email']!='') {
$email_id=$post_array['email'];
$user_id=$this->mod_common->get_userid($post_array['email']);
foreach($user_id as $key){
$id=$key['id'];
}
if($id>0){
$link=base_url().'login/reset_password/'.$id;
$message_body="<table>
<tr><td style='padding:10px 0px'>Dear User,</td></tr>
<tr><td style='padding:10px 0px'>You have received this communication in response to your request to reset your online portal account password. Please find below the link to reset your password</td></tr>
<tr ><td style='padding:10px 0px'><a href='".$link."' style='background:red;padding:5px 10px;color:#fff'> Reset Password </a></td></tr>
<tr ><td style='padding:10px 0px'>Regards,<br>Unfold</td></tr>
</table>";
/*-------------------------*/
//sending pass reset mail
$this->load->library('email');
/* $config['protocol'] = 'sendmail';
$config['mailpath'] = '/usr/sbin/sendmail';
$config['charset'] = 'iso-8859-1';
$config['wordwrap'] = TRUE;
$config['mailtype'] = 'html'; */
$config['protocol'] = 'sendmail';
$config['mailpath'] = '/usr/sbin/sendmail';
$config['charset'] = 'iso-8859-1';
$config['wordwrap'] = TRUE;
$config['mailtype'] = 'html';
$this->email->initialize($config);
$this->email->set_newline("\r\n");
$this->email->from("info@unfold.com","Admin");//email id and name of the sender
$this->email->to($email_id); // email id of the recipient
$this->email->subject("Reset Password"); //The subject line
$this->email->message($message_body);
$this->email->send();
//$this->email->clear();
//show_error($this->email->print_debugger());
//die;
/*-------------------------*/
$this->data['reset_link_msg']="An email with the password reset link has been sent to your mail address.";
}else{
$this->data['reset_link_msg']="Sorry! The email entered is not in our database.";
}
} else {$this->data['reset_link_msg'] = '';}
$this->load->view('send_reset_link', $this->data);
}
function reset_password(){
if($this->input->post()){
$post_array=$this->input->post();
$this->data['reset_msg']=$this->mod_common->reset_password($post_array);
$this->load->view('reset_password', $this->data);
}
if($this->uri->segment(3)!=''){
$this->data['id']=$this->uri->segment(3);
$this->load->view('reset_password', $this->data);
}
else{
redirect('login');
}
}
// Admin authentication ----------
}
?>
我的模型是Mod_login.php
<?php
class Mod_login extends CI_Model{
var $myTables;
#print_r($this->db->last_query());
function __construct(){
parent::__construct();
$this->myTables=$this->config->item('myTables');
$this->load->helper('cookie');
}
function validate_admin_login(){
$this->form_validation->set_rules('username', 'Username', 'trim|required');
$this->form_validation->set_rules('userpass', 'Password', 'trim|required');
if ($this->form_validation->run() == TRUE){
return $this->check_admin_login();
}else{
return validation_errors();
}
}
function check_cookie_login(){
$this->db->where('username', trim($this->input->cookie('uusername')));
$this->db->where('userpass ', sha1(trim($this->input->cookie('userpass'))));
$this->db->where('status', '1');
$this->db->where('deleted', '0');
$this->db->select('*');
$query = $this->db->get($this->myTables['users']);
if($query->num_rows() > 0){
$row = $query->row();
$this->db->where('userid', $row->id);
$this->db->select('firstname,lastname,profileimage');
$query1 = $this->db->get($this->myTables['users_details']);
$row1 = $query1->row();
$newdata = array(
'is_admin_logged_in' => true,
'admin_user_name' => $row->username,
'admin_userpass' => $row->userpass,
'admin_id'=>$row->id,
'admin_lastlogin'=>date("d-m-Y H:i:s",$row->lastlogin),
'admin_lastloginip'=>$row->lastloginip,
'lastrefresh'=>time()
);
$this->session->set_userdata($newdata);
$this->update_admin_login_time($this->session->userdata('admin_id'));
$this->admin_init_elements->set_global_user($row->username,$row->userpass);
if($this->input->post('remember'))
{
$cookie = array('name' => 'username','value' => $row->username,'expire' => time()+7600,'secure' => false);
$this->input->set_cookie($cookie);
}
$name = $row1->firstname.' '.$row1->lastname;
$cookie1 = array('name' => 'name','value' => $name,'expire' => time()+7600,'secure' => false);
$this->input->set_cookie($cookie1);
$cookie2 = array('name' => 'image','value' => $row1->profileimage,'expire' => time()+7600,'secure' => false);
$this->input->set_cookie($cookie2);
return 'Login Successful';
}else{
}
}
function check_admin_login(){
$this->db->where('username', trim($this->input->post('username')));
$this->db->where('userpass ', sha1(trim($this->input->post('userpass'))));
$this->db->where('status', '1');
$this->db->where('deleted', '0');
$this->db->select('*');
$query = $this->db->get($this->myTables['users']);
if($query->num_rows() > 0){
$row = $query->row();
$this->db->where('userid', $row->id);
$this->db->select('firstname,lastname,profileimage');
$query1 = $this->db->get($this->myTables['users_details']);
$row1 = $query1->row();
$newdata = array(
'is_admin_logged_in' => true,
'admin_user_name' => $row->username,
'admin_userpass' => $row->userpass,
'admin_id'=>$row->id,
'admin_lastlogin'=>date("d-m-Y H:i:s",$row->lastlogin),
'admin_lastloginip'=>$row->lastloginip,
'lastrefresh'=>time()
);
$this->session->set_userdata($newdata);
$this->update_admin_login_time($this->session->userdata('admin_id'));
$this->admin_init_elements->set_global_user($row->username,$row->userpass);
if($this->input->post('remember'))
{
$cookie = array('name' => 'username','value' => $row->username,'expire' => time()+7600,'secure' => false);
$this->input->set_cookie($cookie);
}
$name = $row1->firstname.' '.$row1->lastname;
$cookie1 = array('name' => 'name','value' => $name,'expire' => time()+7600,'secure' => false);
$this->input->set_cookie($cookie1);
$cookie2 = array('name' => 'image','value' => $row1->profileimage,'expire' => time()+7600,'secure' => false);
$this->input->set_cookie($cookie2);
return 'Login Successful';
}else{
return 'Incorrect Username or Password.';
}
}
function logout()
{
global $USER;
$query1 = $this->db->query("Select * from pr_system_attendance where userid = '".$USER->id."' and DATE(`login_time`) = CURDATE()");
date_default_timezone_set('Asia/Calcutta');
if($query1->num_rows() > 0)
{
$row = $query1->row();
$sql1 = "UPDATE pr_system_attendance set logout_time = '".date('Y-m-d H:i:s')."' where userid = '".$USER->id."' and DATE(`login_time`) = CURDATE()";
$query2 = $this->db->query($sql1);
}
$sql="UPDATE `".$this->myTables['users']."` SET
`if_online` = '0'
WHERE `id` = '".$USER->id."'" ;
$query=$this->db->query($sql);
}
function update_admin_login_time($id){
$sql="UPDATE `".$this->myTables['users']."` SET
`lastlogin` = '".time()."',
`if_online` = '1',
`lastrefresh` = '".time()."',
`lastloginip` = '".$_SERVER['REMOTE_ADDR']."'
WHERE `id` = '".$id."'" ;
$query=$this->db->query($sql);
$query1 = $this->db->query("Select * from pr_system_attendance where userid = '".$id."' and DATE(`login_time`) = CURDATE()");
if($query1->num_rows() <= 0)
{
$sql1 = "INSERT INTO pr_system_attendance(userid,login_time,login_ip) VALUES('".$id."','".date('Y-m-d H:i:s')."','".$_SERVER['REMOTE_ADDR']."')";
$query2 = $this->db->query($sql1);
}
}
}
我的浏览文件是login.php
<?php global $SITE; ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<?php error_reporting(0); ?>
<!-- Bootstrap 3.3.5 -->
<link rel="stylesheet" href="<?php echo base_url(); ?>assets/bootstrap/css/bootstrap.min.css">
<!-- Font Awesome -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
<!-- Ionicons -->
<link rel="stylesheet" href="https://code.ionicframework.com/ionicons/2.0.1/css/ionicons.min.css">
<!-- Theme style -->
<link rel="stylesheet" href="<?php echo base_url(); ?>assets/dist/css/main.css">
<!-- iCheck -->
<link rel="stylesheet" href="<?php echo base_url(); ?>assets/plugins/iCheck/square/blue.css">
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<?php
$old_home_bg = $old_images[0]['login_bg'];
$home_url = base_url().'assets/images/1406147562_1213214397.jpg';
?>
<body class="hold-transition login-page">
<div class="login-box">
<div class="col-md-6 hide-side" >
<img src="<?php echo base_url(); ?>/assets/images/side_login.jpg">
</div>
<div class="col-md-6">
<div class="login-logo">
<a href=""><img src="<?php echo base_url(); ?>assets/images/logo.png" class="logo_login" alt="" width="190px"/> </a>
</div>
<div class="login-box-body">
<?php echo form_open('login/', array('method'=>'post','name'=>'adminLoginForm','id'=>'adminLoginForm','class'=>'form-vertical login-form'));?>
<?php if($message!='') {?>
<div class="messages">
<div class="has-error">
<?php echo $message; ?>
</div>
</div>
<?php } ?>
<div class="form-group">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-user"></i></span>
<input type="text" class="form-control login" id="username" name="username" placeholder="Username">
</div>
</div>
<div class="form-group has-feedback">
<div class="input-group">
<span class="input-group-addon"><i class="fa fa-lock"></i></span>
<input type="password" class="form-control" id="userpass" name="userpass" placeholder="Password">
</div>
</div>
<?php
echo form_hidden('action','adminLogin');
?>
<div class="row">
<div class="col-xs-8">
<div style="float:left;margin-top: 7px;">
<input type="checkbox" name="remember" /> Remember <br>
<?php
echo anchor(site_url("login/forgot_password"),'<div style="text-align:right;margin-top:5px;color:#C95356;font-weight:bold;">Forgot Password</div>','title="Need help?"');
echo ' ';
//echo anchor(site_url("signup"),$this->lang->line('label_sign_up'));
?>
</div>
</div><!-- /.col -->
<div class="col-xs-4">
<button type="submit" name="login" class="btn btn-primary btn-block btn-flat btn-login">Sign In</button>
</div><!-- /.col -->
</div>
</form>
</div><!-- /.login-box-body -->
</div>
<div class="clearfix"></div>
</div><!-- /.login-box -->
<div class="login_footer">
<div class="fl" style="float:left;padding:0px 20px;color:#fff;">
© 2015 Zipbizz <br>
<a href="" style="color:#fff;">Terms & Conditions</a>
</div>
<div class="fr" style="float:right; padding:0px 20px;color:#fff;">
Powered By<br>
<img src="<?php echo base_url(); ?>/assets/images/footer_logo.png">
</div>
</div>
<!-- jQuery 2.1.4 -->
<script src="<?php echo base_url(); ?>assets/plugins/jQuery/jQuery-2.1.4.min.js"></script>
<!-- Bootstrap 3.3.5 -->
<script src="<?php echo base_url(); ?>assets/bootstrap/js/bootstrap.min.js"></script>
<!-- iCheck -->
<script src="<?php echo base_url(); ?>assets/plugins/iCheck/icheck.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-backstretch/2.0.4/jquery.backstretch.min.js"></script>
<script>
$(function () {
$('input').iCheck({
checkboxClass: 'icheckbox_square-blue',
radioClass: 'iradio_square-blue',
increaseArea: '20%' // optional
});
$.backstretch([
"<?php echo $home_url; ?>"
], {
fade: 1000,
duration: 8000
});
});
</script>
</body>
</html>
答案 0 :(得分：2)
您是否曾尝试在application / config / autoload.php上自动加载数据库
$autoload['libraries'] = array('database');
确保在application / config / database.php中设置了数据库连接