采用全新的数据库架构

Infrastructure/JsonConverter.cs

@@ -0,0 +1,61 @@
+// ***********************************************************************
+// Assembly         : Infrastructure
+// Author           : Yubao Li
+// Created          : 09-07-2015
+//
+// Last Modified By : Yubao Li
+// Last Modified On : 09-07-2015
+// ***********************************************************************
+// <copyright file="GuidConverter.cs" company="">
+//     Copyright (c) . All rights reserved.
+// </copyright>
+// <summary>解决JSON转换空GUID问题</summary>
+// ***********************************************************************
+
+using System;
+using Newtonsoft.Json;
+
+namespace Infrastructure
+{
+    public class GuidConverter : JsonConverter
+    {
+        public override bool CanConvert(Type objectType)
+        {
+            return objectType.IsAssignableFrom(typeof(Guid));
+        }
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            Guid result = Guid.Empty;
+            if (reader.Value == null) return result;
+            Guid.TryParse(reader.Value.ToString(), out result);
+            return result;
+        }
+
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            serializer.Serialize(writer, value);
+        }
+    }
+
+    public class DecimalConverter : JsonConverter
+    {
+        public override bool CanConvert(Type objectType)
+        {
+            return objectType.IsAssignableFrom(typeof(decimal));
+        }
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            decimal result = 0;
+            if (reader.Value == null) return result;
+            decimal.TryParse(reader.Value.ToString(), out result);
+            return result;
+        }
+
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            serializer.Serialize(writer, value);
+        }
+    }
+}