初始化项目

Services/Extensions/CustomException.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Services.Extensions
+{
+    /// <summary>
+    /// 异常扩展
+    /// </summary>
+    public class CustomException : ApplicationException
+    {
+        //记录异常的类型
+        private CustomExceptionType exceptionType;
+
+        public CustomException(CustomExceptionType type) : base()
+        {
+            this.exceptionType = type;
+        }
+
+        public CustomException(CustomExceptionType type, string message) : base(message)
+        {
+            this.exceptionType = type;
+        }
+
+        public CustomException(string message) : base(message)
+        {
+            this.exceptionType = CustomExceptionType.InputValidation;
+        }
+
+        //序列化
+        public override void GetObjectData(SerializationInfo info, StreamingContext context)
+        {
+            base.GetObjectData(info, context);
+        }
+
+        //重写message方法,以让它显示相应异常提示信息
+        public override string Message
+        {
+            get
+            {
+                //根据异常类型从message.xml中读取相应异常提示信息
+                return base.Message;
+                //return string.Format(XmlMessageManager.GetXmlMessage((int)exceptionType), base.Message);
+            }
+        }
+    }
+
+
+    public enum CustomExceptionType
+    {
+        InputValidation = 1,
+        hint = 2,
+        Warning = 3,
+        Unknown = 8
+    }
+}