50 lines
1.4 KiB
PHP
50 lines
1.4 KiB
PHP
<?php
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try {
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require_once __DIR__.'/../includes/config.php';
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require_once __DIR__.'/../includes/db.php';
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require_once __DIR__.'/../includes/api_functions.php';
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header('Content-Type: application/json; charset=utf-8');
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// 获取并验证参数
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$params = validateRequestParams();
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// 构建查询语句
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$query = buildImageQuery($params);
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// 获取随机图片
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$image = fetchRandomImage($pdo, $query, $params);
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// 处理结果
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if ($image) {
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// 直接跳转模式
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if (isset($_GET['redirect']) && $_GET['redirect'] === 'true') {
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// 验证URL有效性
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if (filter_var($image['url'], FILTER_VALIDATE_URL)) {
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header("Location: " . $image['url']);
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} else {
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http_response_code(500);
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echo jsonError('无效的图片URL');
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}
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exit;
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}
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// 正常JSON响应
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echo jsonResponse([
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'url' => $image['url'],
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'resolution' => $params['resolution'],
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'category' => $params['category']
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]);
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} else {
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echo jsonError('未找到匹配的图片', 404);
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}
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} catch (InvalidArgumentException $e) {
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echo jsonError($e->getMessage(), 400);
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} catch (PDOException $e) {
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error_log("Database Error: " . $e->getMessage());
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echo jsonError('数据库查询失败', 500);
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} catch (Exception $e) {
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error_log("System Error: " . $e->getMessage());
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echo jsonError('系统繁忙，请稍后再试', 500);
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} |