添加项目文件。

OrpaonEMS.Core/FSqlContext.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrpaonEMS.Core
+{
+    public class FSqlContext
+    {
+        public static IFreeSql FDb = new FreeSql.FreeSqlBuilder()
+                                        .UseConnectionString(FreeSql.DataType.SqlServer, ConfigHelper.GetValue("connecting"))
+                                        .UseAutoSyncStructure(true) //自动同步实体结构到数据库
+                                        .Build(); //请务必定义成 Singleton 单例模式
+    }
+}