From 94834f45c3c9202f886c3fdf6bb9b161ad053fac Mon Sep 17 00:00:00 2001
From: chenchun <chenchun@hytch.com>
Date: Thu, 6 Nov 2025 11:13:50 +0800
Subject: [PATCH] =?UTF-8?q?perf:=20=E4=BD=BF=E7=94=A8=20FileStreamResult?=
 =?UTF-8?q?=20=E6=B5=81=E5=BC=8F=E8=BF=94=E5=9B=9E=E6=96=87=E4=BB=B6?=
 =?UTF-8?q?=EF=BC=8C=E9=81=BF=E5=85=8D=E4=B8=80=E6=AC=A1=E6=80=A7=E8=AF=BB?=
 =?UTF-8?q?=E5=8F=96=E5=88=B0=E5=86=85=E5=AD=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

改为 FileStream 并返回 FileStreamResult，减小内存占用并支持大型文件；修正变量名拼写并添加 null-forgiving 标记。
---
 .../Yi.Framework.Rbac.Application/Services/FileService.cs    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Yi.Abp.Net8/module/rbac/Yi.Framework.Rbac.Application/Services/FileService.cs b/Yi.Abp.Net8/module/rbac/Yi.Framework.Rbac.Application/Services/FileService.cs
index 86c0891b..90d6b5ef 100644
--- a/Yi.Abp.Net8/module/rbac/Yi.Framework.Rbac.Application/Services/FileService.cs
+++ b/Yi.Abp.Net8/module/rbac/Yi.Framework.Rbac.Application/Services/FileService.cs
@@ -43,8 +43,9 @@ namespace Yi.Framework.Rbac.Application.Services
             {
                 return new NotFoundResult();
             }
-            var steam = await File.ReadAllBytesAsync(path);
-            return new FileContentResult(steam, file.GetMimeMapping());
+            
+            var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
+            return new FileStreamResult(stream, file!.GetMimeMapping());
         }
         
         /// <summary>