From 9ed57324c7c70be54665fd582c5cc9fd16bef5b4 Mon Sep 17 00:00:00 2001
From: GeWuYou <95328647+GeWuYou@users.noreply.github.com>
Date: Tue, 23 Dec 2025 13:29:18 +0800
Subject: [PATCH] =?UTF-8?q?refactor(ioc):=20=E4=BC=98=E5=8C=96IocContainer?=
 =?UTF-8?q?=E4=B8=ADGetSingle=E6=96=B9=E6=B3=95=E7=9A=84switch=E8=A1=A8?=
 =?UTF-8?q?=E8=BE=BE=E5=BC=8F?=
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- 将switch表达式重构为传统switch语句
- 添加了对单个实例情况的明确处理
- 统一了错误消息变量命名规范
- 保持了原有的功能逻辑不变
- 改进了代码的可读性和维护性
---
 GFramework.Core/ioc/IocContainer.cs | 31 ++++++++++++-----------------
 1 file changed, 13 insertions(+), 18 deletions(-)

diff --git a/GFramework.Core/ioc/IocContainer.cs b/GFramework.Core/ioc/IocContainer.cs
index 34bec27..3a0bed1 100644
--- a/GFramework.Core/ioc/IocContainer.cs
+++ b/GFramework.Core/ioc/IocContainer.cs
@@ -242,27 +242,22 @@ public class IocContainer
         var logger = Log.CreateLogger("IOC");
         var list = GetAll<T>();
 
-        // 根据实例数量进行判断和处理
-        return list.Count switch
+        switch (list.Count)
         {
-            0 =>
-            {
-                var errorMsg = $"No instance registered for {typeof(T).Name}";
-                logger.Error(errorMsg);
-                throw new InvalidOperationException(errorMsg);
-            },
-            > 1 =>
-            {
-                var errorMsg = $"Multiple instances registered for {typeof(T).Name}";
-                logger.Error(errorMsg);
-                throw new InvalidOperationException(errorMsg);
-            },
-            _ =>
-            {
+            case 0:
+                var notFoundMsg = $"No instance registered for {typeof(T).Name}";
+                logger.Error(notFoundMsg);
+                throw new InvalidOperationException(notFoundMsg);
+
+            case 1:
                 logger.Debug($"Retrieved required instance: {typeof(T).Name}");
                 return list[0];
-            }
-        };
+
+            default:
+                var multipleMsg = $"Multiple instances registered for {typeof(T).Name}";
+                logger.Error(multipleMsg);
+                throw new InvalidOperationException(multipleMsg);
+        }
     }
 
     /// <summary>