基本功能实现

internal/storage/storage.go

@@ -0,0 +1,27 @@
+package storage
+
+import (
+	"context"
+	"io"
+)
+
+type StoredObject struct {
+	Key         string
+	ContentType string
+	Size        int64
+	PublicURL   string
+}
+
+type Storage interface {
+	Put(ctx context.Context, key string, r io.Reader, contentType string) (StoredObject, error)
+	Get(ctx context.Context, key string) (io.ReadCloser, string, error)
+	Delete(ctx context.Context, key string) error
+	PublicURL(key string) (string, bool)
+}
+
+var GlobalStorage Storage
+
+func InitStorage() error {
+	// 实际初始化在 main.go 中根据配置调用对应的初始化函数
+	return nil
+}