From f2dd586660d812214e4f53271678e5ba7e3a2cd8 Mon Sep 17 00:00:00 2001
From: yzp <yzp0755@qq.com>
Date: Wed, 16 Jul 2025 09:31:20 +0800
Subject: [PATCH] =?UTF-8?q?BUG=EF=BC=9A=E6=96=87=E4=BB=B6=E4=B8=8A?=
 =?UTF-8?q?=E4=BC=A0?=
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---
 Admin.NET/Admin.NET.Core/Service/File/SysFileService.cs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Admin.NET/Admin.NET.Core/Service/File/SysFileService.cs b/Admin.NET/Admin.NET.Core/Service/File/SysFileService.cs
index 3bfb7780..95c6eaed 100644
--- a/Admin.NET/Admin.NET.Core/Service/File/SysFileService.cs
+++ b/Admin.NET/Admin.NET.Core/Service/File/SysFileService.cs
@@ -43,7 +43,7 @@ public class SysFileService : IDynamicApiController, ITransient
         {
             _customFileProvider = _namedServiceProvider.GetService<ITransient>(nameof(SSHFileProvider));
         }
-        else if (App.Configuration["Upload:EnableSaveFileToDb"].ToBoolean())
+        else if (_uploadOptions.EnableSaveDb)
         {
             _customFileProvider = _namedServiceProvider.GetService<ITransient>(nameof(DbFileProvider));
         }
@@ -138,6 +138,7 @@ public class SysFileService : IDynamicApiController, ITransient
     /// <returns></returns>
     [HttpGet("/upload/downloadfile")]
     [DisplayName("根据文件Id和MD5下载")]
+    [AllowAnonymous]
     public async Task<IActionResult> DownloadFile2([FromQuery] long id, [FromQuery] string fileMd5)
     {
         var file = await GetFile(id);
@@ -272,7 +273,10 @@ public class SysFileService : IDynamicApiController, ITransient
         // 不管要不要验证md5，也把Md6计算出来，方便统计重复的文件。
         await using (var fileStream = input.File.OpenReadStream())
         {
-            fileMd5 = OssUtils.ComputeContentMd5(fileStream, fileStream.Length);
+            //fileMd5 = OssUtils.ComputeContentMd5(fileStream, fileStream.Length); // 这种返回的是base64字符串有"="这种特殊字符，格式不规范
+            byte[] bsFile = new byte[fileStream.Length];
+            _ = fileStream.Read(bsFile, 0, bsFile.Length);
+            fileMd5 = MD5Encryption.Encrypt(bsFile);// 使用这个返回长度为32的固定字符串
         }
         if (_uploadOptions.EnableMd5)
         {