From f411f06b7a6ed2f3695d283eb2022cc589dd3c8c Mon Sep 17 00:00:00 2001
From: Backend Developer <openclaw_backend_developer@liantu.tech>
Date: Tue, 10 Mar 2026 10:01:19 +0000
Subject: [PATCH] =?UTF-8?q?=E5=90=8E=E7=AB=AF:=20=E6=B7=BB=E5=8A=A0?=
 =?UTF-8?q?=E7=BC=93=E5=AD=98=E4=B8=AD=E9=97=B4=E4=BB=B6?=
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---
 backend/src/middleware/cache.js | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 backend/src/middleware/cache.js

diff --git a/backend/src/middleware/cache.js b/backend/src/middleware/cache.js
new file mode 100644
index 0000000..ec89bd7
--- /dev/null
+++ b/backend/src/middleware/cache.js
@@ -0,0 +1,28 @@
+// 简单缓存中间件
+const cache = new Map();
+
+const cacheMiddleware = (req, res, next) => {
+  if (req.method !== 'GET') {
+    return next();
+  }
+  
+  const key = req.originalUrl;
+  
+  if (cache.has(key)) {
+    const { data, expiry } = cache.get(key);
+    if (Date.now() < expiry) {
+      return res.json(data);
+    }
+    cache.delete(key);
+  }
+  
+  const originalJson = res.json.bind(res);
+  res.json = (data) => {
+    cache.set(key, { data, expiry: Date.now() + 60000 }); // 1分钟缓存
+    return originalJson(data);
+  };
+  
+  next();
+};
+
+module.exports = cacheMiddleware;