'123456', 'guest' => 'abc123' ]; if ($_SERVER['REQUEST_METHOD'] === 'POST') { $user = $_POST['username'] ?? ''; $pass = $_POST['password'] ?? ''; if (isset($users[$user]) && $users[$user] === $pass) { $_SESSION['user'] = $user; } else { $error = "登录失败"; } } // 处理退出 if (isset($_GET['logout'])) { unset($_SESSION['user']); } ?> 极简登录

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退出登录

用户登录

$error

" ?>


测试账号：
admin / 123456
guest / abc123