锦中融合门户系统

<?php

// 定义一个简单的类来处理用户登录验证

class UserAuthentication {

private $users = array(

"admin" => "password123",

"student" => "studentpass"

);

public function authenticate($username, $password) {

if (isset($this->users[$username]) && $this->users[$username] == $password) {

return true;

}

return false;

}

}

// 创建一个文件下载类

class FileDownload {

public function downloadFile($filePath) {

if (file_exists($filePath)) {

header('Content-Description: File Transfer');

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header('Content-Type: application/octet-stream');

header('Content-Disposition: attachment; filename=' . basename($filePath));

header('Expires: 0');

header('Cache-Control: must-revalidate');

header('Pragma: public');

header('Content-Length: ' . filesize($filePath));

readfile($filePath);

exit;

} else {

echo "文件不存在！";

}

}

}

// 示例：使用上述类进行登录验证和文件下载

$auth = new UserAuthentication();

$fileDownload = new FileDownload();

// 假设用户已经通过表单提交了用户名和密码

$username = $_POST['username'];

$password = $_POST['password'];

if ($auth->authenticate($username, $password)) {

// 验证成功，可以下载文件

$fileDownload->downloadFile("path/to/your/document.pdf");

} else {

echo "认证失败，请检查您的用户名和密码。";

}

?>