获取枚举描述信息

static class Program
    {
        enum Orientation
        {
            [DescriptionAttribute("东")]
            East,
            [DescriptionAttribute("南")]
            South,
            [DescriptionAttribute("西")]
            West,
            [DescriptionAttribute("北")]
            North
        }
        static string GetDescription<T>(this T value)
        {
            var memInfo = value.GetType().GetMember(value.ToString());
            var attributes = memInfo[0].GetCustomAttributes(typeof(DescriptionAttribute), false).Cast<DescriptionAttribute>();
            if (attributes.Any())
                return attributes.First().Description;
            return string.Empty;
        }
        static void Main()
        {
            foreach (var s in Enum.GetValues(typeof(Orientation)))
            {
                Console.WriteLine("值：{0}\t\t说明：{1}", s.ToString(), s.GetDescription());
            }

            Console.Read();
        }
    }