添加项目文件。

IM.InitCommon/StorageOptions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IM.InitCommon
+{
+    public class StorageOptions
+    {
+        public string ProviderCode { get; init; } = default!;
+
+        public StorageProviderType ProviderType { get; init; }
+
+        public bool Enabled { get; init; } = true;
+
+        public string Bucket { get; init; } = default!;
+
+        public string Region { get; init; } = default!;
+
+        public string? Endpoint { get; init; }
+
+        public string? PublicBaseUrl { get; init; }
+
+        public string? AccessKeyId { get; init; }
+
+        public string? AccessKeySecret { get; init; }
+
+        public string? LocalRootPath { get; init; }
+
+        public string? LocalUploadApiBaseUrl { get; init; }
+
+        public TimeSpan UploadUrlExpiresIn { get; init; } = TimeSpan.FromMinutes(15);
+
+        public TimeSpan DownloadUrlExpiresIn { get; init; } = TimeSpan.FromMinutes(30);
+
+        public long MaxObjectSizeBytes { get; init; } = 1024L * 1024 * 1024;
+
+        public int MinPartSizeBytes { get; init; } = 5 * 1024 * 1024;
+
+        public int MaxPartCount { get; init; } = 10_000;
+    }
+    public enum StorageProviderType
+    {
+        Local = 1,
+        AwsS3 = 2,
+        AliyunOss = 3,
+        TencentCos = 4,
+        Minio = 5
+    }
+}