读取C#特性Description方法

 

 

    class Program
    {
        static void Main(string[] args)
        {
            string str = DB.write.ToDescription();
            Console.WriteLine(str);
            Console.ReadKey();
        }
    }


    public enum DB
    {
        [Description("读")]
        write = 1,
        [Description("写")]
        read = 2
    }

    public static class MyException
    {
        /// <summary>
        /// 获取枚举类型的描述
        /// </summary>
        /// <param name="enumeration"></param>
        /// <returns></returns>
        public static string ToDescription(this Enum enumeration)
        {
            Type type = enumeration.GetType();
            MemberInfo[] memInfo = type.GetMember(enumeration.ToString());
            if (null != memInfo && memInfo.Length > 0)
            {
                object[] attrs = memInfo[0].GetCustomAttributes(typeof(DescriptionAttribute), false);
                if (null != attrs && attrs.Length > 0)
                    return ((DescriptionAttribute)attrs[0]).Description;
            }
            return enumeration.ToString();
        }
    }