基础延伸

 /// <summary>
        /// 对象深拷贝
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static T DeepCopyByBin<T>(this T obj)
        {
            object retval;
            using (MemoryStream ms = new MemoryStream())
            {
                BinaryFormatter bf = new BinaryFormatter();
                //序列化成流
                bf.Serialize(ms, obj);
                ms.Seek(0, SeekOrigin.Begin);
                //反序列化成对象
                retval = bf.Deserialize(ms);
                ms.Close();
            }
            return (T)retval;
        }

 

  /// <summary>
        /// 包含中文
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public static bool ContainsChinese(this string input)
        {
            if (string.IsNullOrEmpty(input))
                return false;

            return Regex.IsMatch(input, "[\u4e00-\u9fa5]");
        }

 

   //获取描述特性
     public static string ToDescription(Enum en)
        {
            try
            {
                Type type = en.GetType();   //获取类型            
                MemberInfo[] memberInfos = type.GetMember(en.ToString());   //获取成员           
                if (memberInfos != null && memberInfos.Length > 0)
                {
                    DescriptionAttribute[] attrs = memberInfos[0].GetCustomAttributes(typeof(DescriptionAttribute), false) as DescriptionAttribute[];   //获取描述特性                 
                    if (attrs != null && attrs.Length > 0)
                    {
                        return attrs[0].Description;    //返回当前描述           
                    }
                }
                return en.ToString();
            }
            catch
            {
                return "Error Description";
            }
        }