添加本地上传的功能

examples/storage_example.go

@@ -1,3 +1,6 @@
+//go:build example
+// +build example
+
 package main
 
 import (
@@ -16,52 +19,51 @@ func main() {
 		log.Fatal("Failed to load config:", err)
 	}
 
-	// 创建存储实例（使用OSS）
-	// 注意：需要先实现OSS SDK集成
-	ossStorage, err := storage.NewStorage(storage.StorageTypeOSS, cfg)
+	// 优先演示本地存储（可直接运行）
+	localStorage, err := storage.NewStorage(storage.StorageTypeLocal, cfg)
 	if err != nil {
-		log.Printf("Failed to create OSS storage: %v", err)
-		log.Println("Note: OSS SDK integration is required")
-		// 继续演示其他功能
-	} else {
-		// 创建上传处理器
-		uploadHandler := storage.NewUploadHandler(storage.UploadHandlerConfig{
-			Storage:      ossStorage,
-			MaxFileSize:  10 * 1024 * 1024, // 10MB
-			AllowedExts:  []string{".jpg", ".jpeg", ".png", ".gif", ".pdf"},
-			ObjectPrefix: "uploads/",
-		})
+		log.Fatal("Failed to create Local storage:", err)
+	}
 
-		// 创建代理查看处理器
-		proxyHandler := storage.NewProxyHandler(ossStorage)
+	uploadHandler := storage.NewUploadHandler(storage.UploadHandlerConfig{
+		Storage:      localStorage,
+		MaxFileSize:  10 * 1024 * 1024, // 10MB
+		AllowedExts:  []string{".jpg", ".jpeg", ".png", ".gif", ".pdf"},
+		ObjectPrefix: "uploads/",
+	})
 
-		// 创建中间件链
-		var corsConfig *middleware.CORSConfig
-		if cfg.GetCORS() != nil {
-			c := cfg.GetCORS()
-			corsConfig = middleware.NewCORSConfig(
-				c.AllowedOrigins,
-				c.AllowedMethods,
-				c.AllowedHeaders,
-				c.ExposedHeaders,
-				c.AllowCredentials,
-				c.MaxAge,
-			)
-		}
-		chain := middleware.NewChain(
-			middleware.CORS(corsConfig),
-			middleware.Timezone,
+	proxyHandler := storage.NewProxyHandler(localStorage)
+
+	// 创建中间件链
+	var corsConfig *middleware.CORSConfig
+	if cfg.GetCORS() != nil {
+		c := cfg.GetCORS()
+		corsConfig = middleware.NewCORSConfig(
+			c.AllowedOrigins,
+			c.AllowedMethods,
+			c.AllowedHeaders,
+			c.ExposedHeaders,
+			c.AllowCredentials,
+			c.MaxAge,
 		)
+	}
+	chain := middleware.NewChain(
+		middleware.CORS(corsConfig),
+		middleware.Timezone,
+	)
 
-		// 注册路由
-		mux := http.NewServeMux()
-		mux.Handle("/upload", chain.Then(uploadHandler))
-		mux.Handle("/file", chain.Then(proxyHandler))
+	// 注册路由
+	mux := http.NewServeMux()
+	mux.Handle("/upload", chain.Then(uploadHandler))
+	mux.Handle("/file", chain.Then(proxyHandler))
 
-		log.Println("Storage server started on :8080")
-		log.Println("Upload: POST /upload")
-		log.Println("View: GET /file?key=images/test.jpg")
-		log.Fatal(http.ListenAndServe(":8080", mux))
+	log.Println("Local storage server started on :8080")
+	log.Println("Upload: POST /upload")
+	log.Println("View: GET /file?key=uploads/xxx.jpg")
+
+	// 提示：OSS 需要你自行集成对应 SDK（当前 go-common 中仅提供接口框架）
+	if _, err := storage.NewStorage(storage.StorageTypeOSS, cfg); err != nil {
+		log.Printf("OSS storage not ready: %v", err)
 	}
 
 	// 演示MinIO存储
@@ -79,5 +81,6 @@ func main() {
 
 	objectKey2 := storage.GenerateObjectKeyWithDate("images", "test.jpg")
 	log.Printf("Object key 2: %s", objectKey2)
-}
 
+	log.Fatal(http.ListenAndServe(":8080", mux))
+}