Initial commit: 心理咨询预约系统

PHP 前后端一体：首页咨询师列表、预约表单、管理后台、二维码准入与邮件通知；敏感配置与提交数据通过 .gitignore 排除。

Co-authored-by: Cursor <cursoragent@cursor.com>

api/export.php

@@ -0,0 +1,50 @@
+<?php
+declare(strict_types=1);
+
+require __DIR__ . '/bootstrap.php';
+
+if ($_SERVER['REQUEST_METHOD'] !== 'GET') {
+    jsonError('方法不允许', 405);
+}
+
+requireAdmin();
+
+$format = strtolower(trim((string) ($_GET['format'] ?? 'json')));
+if (!in_array($format, ['json', 'csv'], true)) {
+    jsonError('不支持的导出格式');
+}
+
+$submissions = readSubmissions();
+usort($submissions, function ($a, $b) {
+    return strcmp($b['createdAt'] ?? '', $a['createdAt'] ?? '');
+});
+
+$filename = 'consultations_' . date('Ymd_His');
+
+if ($format === 'json') {
+    header('Content-Type: application/json; charset=utf-8');
+    header('Content-Disposition: attachment; filename="' . $filename . '.json"');
+    echo json_encode($submissions, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+    exit;
+}
+
+header('Content-Type: text/csv; charset=utf-8');
+header('Content-Disposition: attachment; filename="' . $filename . '.csv"');
+echo "\xEF\xBB\xBF";
+
+$out = fopen('php://output', 'w');
+fputcsv($out, ['ID', '提交时间', '咨询师', '咨询师ID', '昵称', '性别', '联系电话', '需求简述']);
+foreach ($submissions as $row) {
+    fputcsv($out, [
+        $row['id'] ?? '',
+        $row['createdAt'] ?? '',
+        $row['doctorName'] ?? '',
+        $row['doctorId'] ?? '',
+        $row['nickname'] ?? '',
+        $row['gender'] ?? '',
+        $row['contact'] ?? '',
+        $row['description'] ?? ($row['topic'] ?? ''),
+    ]);
+}
+fclose($out);
+exit;