[英]get stored Database variables on php login session
我想在我的個人資料頁面上讀取 $Session[] 變量,但我在嘗試時遇到了問題。 這是我的登錄文件中的 php 腳本
<?php
if (isset($_POST['LoginBtn']))
{
$username = $_POST['username'];
$password = $_POST['password'];
if (empty($username) || empty($password))
{
$show -> showError("please fill out all the fields");
}
else
{
$SQLCheckUser = $odb -> prepare("SELECT COUNT(*) FROM `Account` WHERE `username` = :user AND `password` = :password LIMIT 1");
$SQLCheckUser -> execute(array(':user' => $username, ':password' => hash('SHA512', $password)));
$loginCheck = $SQLCheckUser -> fetchColumn(0);
if ($loginCheck)
{
$SQLGetID = $odb -> prepare("SELECT `ID`, FROM `Account` WHERE `username` = :username LIMIT 1");
$SQLGetID -> execute(array(':username' => $username));
$_SESSION['username'] = $username;
$_SESSION['ID'] = $SQLGetID -> fetchColumn(0);
$show -> showSuccess('Willkommen... <meta http-equiv="refresh" content="2;url=index.php">');
}
else
{
$show -> showError('user was not found!');
}
}
}
?>
在帳戶數據庫中,我有變量,如用戶名、密碼、名字、姓氏、地址,我想在 profile.php 頁面上顯示它們,例如像這樣
<h4 class="profile-user"><?php echo $_SESSION['firstname']; ?></h4>
<p class="profile-job"><?php echo $_SESSION['lastname']; ?></p>
<p class="profile-job"><?php echo $_SESSION['adress'];?></p>
我怎么能解決這個問題? 頁面包含一個開始會話的 php 文件
<?php session_start(); ?>
和一個數據庫連接
<?php
$show = new show();
$user = new user($odb);
$status = new status($odb);
class show
{
function showError($error)
{
echo '<div class="alert alert-danger"><a class="close" data- dismiss="alert" href="#">×</a><h4 class="alert-heading">error!</h4>'.$error.'</div>';
}
function showSuccess($success)
{
echo '<div class="alert alert-success"><a class="close" data-dismiss="alert" href="#">×</a><h4 class="alert-heading">Login success!</h4>'.$success.'</div>';
}
}
class user
{
var $odb;
function __CONSTRUCT($odb)
{
$this -> odb = $odb;
}
function loggedIn()
{
if (isset($_SESSION['username'], $_SESSION['ID']))
{
return true;
}
else
{
return false;
}
}
function isAdmin()
{
$SQL = $this -> odb -> prepare("SELECT `admin` FROM `Account` WHERE `ID` = :id");
$SQL -> execute(array(':id' => $_SESSION['ID']));
$rank = $SQL -> fetchColumn(0);
if ($rank == 1)
{
return true;
}
else
{
return false;
}
}
}`
我的目標是在個人資料頁面上顯示登錄用戶的所有數據庫變量(全名、地址、電話號碼),如果有人可以幫助我修復我的代碼,將不勝感激:)
這個頁面 profile.php
session_start();
$dbh = new PDO(" --- connection string --- ");
$user = new user($dbh);
if ($user->loggedIn()) {
$stmt = $odb->prepare("SELECT `firstname`, `lastname`,`adress`,FROM `Account` WHERE ID=$_SESSION['ID'] LIMIT 1");
$stmt->execute();
$row = $stmt->fetch();
}
foreach ($row as $item)
{
<h4 class="profile-user"><?php echo $item['firstname']; ?></h4>
<p class="profile-job"><?php echo $item['lastname']; ?></p>
<p class="profile-job"><?php echo $item['adress']; ?></p>
}
我收到此解決方案的錯誤,我通過將 profile.php 中的代碼更改為此進行了修復。
<div class="col-lg-3">
<!-- Page Widget -->
<?php
$stmt = $odb->prepare("SELECT 'vorname', 'nachname','email',FROM 'Account' WHERE ID=$_SESSION[ID] LIMIT 1");
$stmt->execute();
$row = $stmt->fetch();
foreach ((array) $row as $item){
$vorname = $item['vorname']; // german word for firstname
$nachname = $item['nachname']; // german word for lastname
$email = $item['email']; // german word for email
} ?>
<h4 class="profile-user"><?php echo $vorname ?></h4>
但如果我重新加載屏幕,它似乎不會出現。
對我來說看起來很奇怪
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