添加 proxy/stats.go

proxy/stats.go

@@ -0,0 +1,29 @@
+// proxy/stats.go
+package proxy
+
+import (
+    "encoding/json"
+    "net/http"
+    
+    "siteproxy/cache"
+)
+
+type StatsHandler struct {
+    cache *cache.MemoryCache
+}
+
+func NewStatsHandler(cache *cache.MemoryCache) *StatsHandler {
+    return &StatsHandler{cache: cache}
+}
+
+func (h *StatsHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+    entries, size := h.cache.Stats()
+    
+    stats := map[string]interface{}{
+        "entries": entries,
+        "size":    size,
+    }
+    
+    w.Header().Set("Content-Type", "application/json")
+    json.NewEncoder(w).Encode(stats)
+}