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请从我的数据库中显示用户数据使用会话成功登录后 下面是我的程序代码页面中我想要数据出现 注意:此页面已包含会话和注销功能使用登录会话显示用户数据
<?php
//initialize the session
if (!isset($_SESSION)) {
session_start();
}
// ** Logout the current user. **
$logoutAction = $_SERVER['PHP_SELF']."?doLogout=true";
if ((isset($_SERVER['QUERY_STRING'])) && ($_SERVER['QUERY_STRING'] != "")){
$logoutAction .="&". htmlentities($_SERVER['QUERY_STRING']);
}
if ((isset($_GET['doLogout'])) &&($_GET['doLogout']=="true")){
//to fully log out a visitor we need to clear the session varialbles
$_SESSION['MM_Username'] = NULL;
$_SESSION['MM_UserGroup'] = NULL;
$_SESSION['PrevUrl'] = NULL;
unset($_SESSION['MM_Username']);
unset($_SESSION['MM_UserGroup']);
unset($_SESSION['PrevUrl']);
$logoutGoTo = "INDEX.PHP";
if ($logoutGoTo) {
header("Location: $logoutGoTo");
exit;
}
}
?>
<?php
$servername = "localhost";
$username = "Ark_softwares";
$password = "";
$dbname = "digitals";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT id, firstname, lastname FROM admin_login WHERE username = '$session'";
$result = $conn->query($sql);
你确定这是正确的'username ='$ session''? –
做两件事: 1)print_r()你的会话变量 2)检查你的$ sql =“SELECT id,firstname,lastname FROM admin_login WHERE username ='$ session'”;查询。 –
你的变量'$ session'来自任何地方 – Beginner