php-tutorial/index.php at main · NASA11123/php-tutorial · GitHub

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<?php
/**
 * PHP教学应用 - 主入口文件
 * 启动方式：php -S localhost:8080
 */
require_once __DIR__ . '/config/config.php';
require_once __DIR__ . '/core/functions.php';
require_once __DIR__ . '/data/courses.php';
require_once __DIR__ . '/data/quizzes.php';

$page = getCurrentPage();
$sessionId = getSessionId();

// 处理AJAX请求（API）
if (isset($_GET['api'])) {
    header('Content-Type: application/json; charset=utf-8');
    $api = $_GET['api'];

    if ($api === 'progress' && $_SERVER['REQUEST_METHOD'] === 'POST') {
        $input = json_decode(file_get_contents('php://input'), true);
        updateProgress($sessionId, (int)($input['chapter'] ?? 0), (int)($input['lesson'] ?? 0));
        echo json_encode(['ok' => true]);
        exit;
    }

    if ($api === 'quiz' && $_SERVER['REQUEST_METHOD'] === 'POST') {
        $input = json_decode(file_get_contents('php://input'), true);
        $answers = $input['answers'] ?? [];
        $result = gradeQuiz($input['quiz'] ?? 1, $answers);
        saveQuizResult($sessionId, (int)($input['quiz'] ?? 1), $result['score'], $result['total'], $answers);
        echo json_encode($result);
        exit;
    }

    if ($api === 'run' && $_SERVER['REQUEST_METHOD'] === 'POST') {
        require_once __DIR__ . '/core/runner.php';
        $input  = json_decode(file_get_contents('php://input'), true);
        $result = runStudentCode((string)($input['code'] ?? ''));
        echo json_encode($result, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
        exit;
    }

    echo json_encode(['ok' => false, 'error' => 'unknown api']);
    exit;
}

// 页面渲染
include __DIR__ . '/templates/header.php';
echo '<main class="container">';
switch ($page) {
    case 'home':      include __DIR__ . '/templates/home.php'; break;
    case 'course':    include __DIR__ . '/templates/course.php'; break;
    case 'lesson':    include __DIR__ . '/templates/lesson.php'; break;
    case 'exercise':  include __DIR__ . '/templates/exercise.php'; break;
    case 'quiz':      include __DIR__ . '/templates/quiz.php'; break;
    case 'progress':  include __DIR__ . '/templates/progress.php'; break;
    default:          include __DIR__ . '/templates/home.php';
}
echo '</main>';
include __DIR__ . '/templates/footer.php';