feat: 初始化进销存数据开放平台项目

初始化完整的前后端项目结构，包含ThinkPHP后端API服务和Next.js前端管理系统，添加基础配置、中间件、模型、路由等核心代码，以及项目文档和静态资源。
2026-07-08 17:48:00 +08:00
parent 6713e13ea6
commit 3a04eede84
99 changed files with 17002 additions and 0 deletions
--- a/thinkphp/app/middleware/RateLimit.php
+++ b/thinkphp/app/middleware/RateLimit.php
@@ -0,0 +1,67 @@
+<?php
+
+namespace app\middleware;
+
+use think\facade\Cache;
+use think\Request;
+
+class RateLimit
+{
+    public function handle(Request $request, \Closure $next)
+    {
+        $authContext = $request->authContext ?? null;
+        if (!$authContext) {
+            return $next($request);
+        }
+
+        $apiKeyId = $authContext['api_key_id'];
+        $limitPerMinute = $authContext['rate_limit_per_minute'] ?? 60;
+        $limitPerDay = $authContext['rate_limit_per_day'] ?? 5000;
+
+        $minuteKey = 'rate_limit:minute:' . $apiKeyId;
+        $dayKey = 'rate_limit:day:' . $apiKeyId . ':' . date('Ymd');
+
+        $minuteCount = $this->getCount($minuteKey);
+        if ($minuteCount >= $limitPerMinute) {
+            return json([
+                'code' => 429,
+                'msg' => '请求过于频繁，请稍后再试'
+            ], 429);
+        }
+
+        $dayCount = $this->getCount($dayKey);
+        if ($dayCount >= $limitPerDay) {
+            return json([
+                'code' => 429,
+                'msg' => '今日请求次数已达上限'
+            ], 429);
+        }
+
+        $this->increment($minuteKey, 60);
+        $this->increment($dayKey, 86400);
+
+        return $next($request);
+    }
+
+    private function getCount($key)
+    {
+        try {
+            $value = Cache::get($key);
+            return $value !== false ? (int)$value : 0;
+        } catch (\Exception $e) {
+            return 0;
+        }
+    }
+
+    private function increment($key, $ttl)
+    {
+        try {
+            $current = $this->getCount($key);
+            $newValue = $current + 1;
+            Cache::set($key, $newValue, $ttl);
+            return $newValue;
+        } catch (\Exception $e) {
+            return 1;
+        }
+    }
+}