CI - 告诉我出了什么问题 [英] CI - show me what went wrong
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问题描述
我开发了一个简单的登录系统,它可以正常工作但失败,我需要知道为什么。
问题:如何显示导致失败的原因?
这里是数据库函数:
$ password)
{
$ this-> db-> where(email,$ email);
$ this-> db-> where(password,$ password);
$ query = $ this-> db-> get(users);
if($ query-> num_rows()> 0)
{
foreach($ query-> result()as $ rows)
{
//将所有数据添加到会话
$ newdata = array(
'user_id'=> $ rows-> id,
'user_name'=> $ rows-&
'user_email'=> $ rows->电子邮件,
'logged_in'=> TRUE,
);
}
$ this-> session-> set_userdata($ newdata);
return true;
}
return false;
}
这里是逻辑:
public function login()
{
$ this-> load-> library('form_validation');
//字段名称,错误消息,验证规则
$ this-> form_validation-> set_rules('email','Your Email','trim | required | valid_email');
$ this-> form_validation-> set_rules('password','Password','trim | required | min_length [4] | max_length [32]');
if($ this-> form_validation-> run()== FALSE)
{
$ this-> signin
}
else
{
$ email = $ this-> input-> post('email');
$ password = md5($ this-> input-> post('pass'));
$ result = $ this-> user_model-> login($ email,$ password);
if($ result)
{
$ this-> dash();
}
else
{
$ data ['title'] ='登录错误';
$ this-> load-> view('nav / header',$ data);
$ this-> load-> view('login',$ data);
$ this-> load-> view('nav / footer',$ data);
}
}
}
我知道错误正在发生因为我重定向回到登录页面,如果它失败,并更改标题文本显示我(只在测试模式下现在)。
这是检查数据库函数:
function login($ email,$ password)
{
$ this-> db-> where(email,$ email)
$ this-> db-> where(password,$ password);
$ query = $ this-> db-> get(users);
if($ query-> num_rows()> 0)
{
foreach($ query-> result()as $ rows)
{
//将所有数据添加到会话
$ newdata = array(
'user_id'=> $ rows-> id,
'user_name'=> $ rows-&
'user_email'=> $ rows->电子邮件,
'logged_in'=> TRUE,
);
}
$ this-> session-> set_userdata($ newdata);
return true;
}
return false;
}
解决方案
/ p>
在模型中使用低于逻辑
$ qry = $ this- > db-> get_where('users',array('username'=> $ this-> _username));
if($ qry-> num_rows()== 1){
$ user = $ qry-> row_array();
$ submitted_pass = md5($ this-> _password);
$ db_pass = $ user ['password'];
if($ submitted_pass === $ db_pass){
return $ user;
} else {
//错误的用户名/密码
$ this-> session-> set_flashdata('error',$ this-> errorList [10]);
return FALSE;
}
} else {
//没有这样的用户名存在
$ this-> session-> set_flashdata('error',$ this-> errorList [15] );
return FALSE;
}
I've developed a simple login system which works OK but fails, and I need to know why.
QUESTION: How to show what is causing the fail?
Here's the database function:
function login($email,$password)
{
$this->db->where("email",$email);
$this->db->where("password",$password);
$query=$this->db->get("users");
if($query->num_rows()>0)
{
foreach($query->result() as $rows)
{
//add all data to session
$newdata = array(
'user_id' => $rows->id,
'user_name' => $rows->username,
'user_email' => $rows->email,
'logged_in' => TRUE,
);
}
$this->session->set_userdata($newdata);
return true;
}
return false;
}
And here's the logic:
public function login()
{
$this->load->library('form_validation');
// field name, error message, validation rules
$this->form_validation->set_rules('email', 'Your Email', 'trim|required|valid_email');
$this->form_validation->set_rules('password', 'Password', 'trim|required|min_length[4]|max_length[32]');
if($this->form_validation->run() == FALSE)
{
$this->signin();
}
else
{
$email=$this->input->post('email');
$password=md5($this->input->post('pass'));
$result=$this->user_model->login($email,$password);
if($result)
{
$this->dash();
}
else
{
$data['title']= 'Login Error';
$this->load->view('nav/header', $data);
$this->load->view('login', $data);
$this->load->view('nav/footer', $data);
}
}
}
I know the error is happening as I redirect back to the login page if it fails and change the title text to show me (only in testing mode for right now). But how can I find out what is going wrong?
This is the check database function:
function login($email,$password)
{
$this->db->where("email",$email);
$this->db->where("password",$password);
$query=$this->db->get("users");
if($query->num_rows()>0)
{
foreach($query->result() as $rows)
{
//add all data to session
$newdata = array(
'user_id' => $rows->id,
'user_name' => $rows->username,
'user_email' => $rows->email,
'logged_in' => TRUE,
);
}
$this->session->set_userdata($newdata);
return true;
}
return false;
}
解决方案
For your changed answer:
use below logic in your model
$qry = $this->db->get_where('users', array('username' => $this->_username ));
if ($qry->num_rows() == 1) {
$user = $qry->row_array();
$submitted_pass = md5($this->_password);
$db_pass = $user['password'];
if ($submitted_pass === $db_pass) {
return $user;
} else {
// wrong username/password
$this->session->set_flashdata('error', $this->errorList[10]);
return FALSE;
}
} else {
// no such username exist
$this->session->set_flashdata('error', $this->errorList[15]);
return FALSE;
}
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