添加项目文件。

Core/MAX.Core/Helpers/Common.cs

@@ -0,0 +1,55 @@
+using System;
+
+namespace MAX.Core.Helpers;
+
+/// <summary>
+/// 常用公共操作
+/// </summary>
+public static partial class Common
+{
+	/// <summary>
+	/// 获取类型
+	/// </summary>
+	/// <typeparam name="T">类型</typeparam>
+	public static Type GetType<T>()
+	{
+		return GetType(typeof(T));
+	}
+
+	/// <summary>
+	/// 获取类型
+	/// </summary>
+	/// <param name="type">类型</param>
+	public static Type GetType(Type type)
+	{
+		return Nullable.GetUnderlyingType(type) ?? type;
+	}
+
+	/// <summary>
+	/// 换行符
+	/// </summary>
+	public static string Line => Environment.NewLine;
+
+
+#if NET5_0
+        /// <summary>
+        /// 是否Linux操作系统
+        /// </summary>
+        public static bool IsLinux => RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
+
+        /// <summary>
+        /// 是否Windows操作系统
+        /// </summary>
+        public static bool IsWindows => RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+
+        /// <summary>
+        /// 是否苹果操作系统
+        /// </summary>
+        public static bool IsOsx => RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
+
+        /// <summary>
+        /// 当前操作系统
+        /// </summary>
+        public static string System => IsWindows ? "Windows" : IsLinux ? "Linux" : IsOsx ? "OSX" : string.Empty;
+#endif
+}