添加项目文件。

OrpaonEMS.App/Services/ILogService.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrpaonEMS.App.Services
+{
+    /// <summary>
+    /// NLog服务
+    /// </summary>
+    public interface ILogService
+    {
+        void Debug(string msg);
+        void Error(string msg);
+        void Fatal(string msg);
+        void Info(string msg);
+        void Warn(string msg);
+    }
+}