[英]How to print data like username after login[php- codeigniter]
我嘗試打印用戶 ID,它可以工作,但是當我嘗試打印用戶名時,我嘗試了來自網絡的不同方法,但對我沒有任何效果。 有人可以幫我打印用戶名:D
看起來像這樣:它顯示了什么
看法:
<h1>Hi <?php echo $_SESSION['user_id'];?></h1>
<h1>Hi <?php echo $_SESSION['username'];?></h1>
控制器:
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Login extends CI_Controller {
public function index()
{
if (isset($_SESSION['user_id'])){
redirect("admin/dashboard");
}
$data=[];
if (isset($_SESSION['error'])){
$data['error']=$_SESSION['error'];
}else{
$data['error']="NO_ERROR";
}
$this->load->view('adminpanel/loginview',$data);
}
function login_post(){
print_r($_POST);
if (isset($_POST)){
$email=$_POST['email'];
$password=$_POST['password'];
$query = $this->db->query("SELECT * FROM `backenduser` WHERE `username`='$email' AND `password`='$password'");
if ($query->num_rows()){
$result= $query->result_array();
//echo"<pre>";
//print_r($result);
**$this->session->set_userdata('user_id',$result[0]['uid']);
$_SESSION['username']=$result->username;**
redirect('admin/dashboard');
}else{
$this->session->set_flashdata('error','Invalid Credentials');
redirect('admin/login');
}
}else{
die("invalid input!");
}
}
}
你可以試試這個。
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Login extends CI_Controller {
public function index()
{
if (isset($_SESSION['user_id'])){
redirect("admin/dashboard");
}
$data=[];
if (isset($_SESSION['error'])){
$data['error']=$_SESSION['error'];
}else{
$data['error']="NO_ERROR";
}
$this->load->view('adminpanel/loginview',$data);
}
function login_post(){
print_r($_POST);
if (isset($_POST)){
$email=$_POST['email'];
$password=$_POST['password'];
$query = $this->db->query("SELECT * FROM `backenduser` WHERE `username`='$email' AND `password`='$password'");
if ($query->num_rows()){
$result= $query->result_array();
//echo"<pre>";
//print_r($result);
$session_data = array(
'user_id' => $result[0]['uid'],
'username' => $result->username,
);
$this->session->set_userdata($session_data);
redirect('admin/dashboard');
}else{
$this->session->set_flashdata('error','Invalid Credentials');
redirect('admin/login');
}
}else{
die("invalid input!");
}
}
}
假設:-您在 $result 變量中獲取用戶數據與獲取 id 相同
function login_post(){
print_r($_POST);
if (isset($_POST)){
$email=$_POST['email'];
$password=$_POST['password'];
$query = $this->db->query("SELECT * FROM `backenduser` WHERE `username`='$email' AND `password`='$password'");
if ($query->num_rows()){
$result= $query->result_array();
//echo"<pre>";
//print_r($result);
$session_data = array(
'user_id' => $result[0]['uid'],
'username' => $result[0]['username'],
);
$this->session->set_userdata($session_data);
redirect('admin/dashboard');
}else{
$this->session->set_flashdata('error','Invalid Credentials');
redirect('admin/login');
}
}else{
die("invalid input!");
}
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