<?php
// 示例代码：用户认证部分
session_start();
if(isset($_POST['username']) && isset($_POST['password'])) {
$username = $_POST['username'];
$password = $_POST['password'];
// 假设这里是数据库查询逻辑
if($username == 'admin' && $password == 'password') {
$_SESSION['loggedin'] = true;
$_SESSION['username'] = $username;
echo "登录成功！";
} else {
echo "用户名或密码错误。";
}
}
// 示例代码：前端页面（index.php）
?>
欢迎来到校园服务大厅门户
if(!isset($_SESSION['loggedin']) || $_SESSION['loggedin'] !== true) {
echo '
';} else {
echo "欢迎您，{$_SESSION['username']}！";
}
?>