Initial commit

Services/Interface/IStorageProvider.cs

@@ -0,0 +1,30 @@
+namespace Foxel.Services.Interface;
+
+public interface IStorageProvider
+{
+    /// <summary>
+    /// 保存文件
+    /// </summary>
+    Task<string> SaveAsync(Stream fileStream, string fileName, string contentType);
+
+    /// <summary>
+    /// 删除文件
+    /// </summary>
+    Task DeleteAsync(string storagePath);
+
+    /// <summary>
+    /// 获取文件URL
+    /// </summary>
+    string GetUrl(string storagePath);
+
+    /// <summary>
+    /// 下载文件到本地临时目录
+    /// </summary>
+    /// <param name="storagePath">存储路径</param>
+    /// <returns>本地文件路径</returns>
+    Task<string> DownloadFileAsync(string storagePath)
+    {
+        // 默认实现 - 子类应重写此方法
+        throw new NotImplementedException("此存储提供者不支持下载文件功能");
+    }
+}