C# 文件操作

将xml字符串反序列化为DataSet

 /// <summary>
        /// 将字符串反序列化
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="text"></param>
        /// <returns></returns>
        public static T Deserialize<T>(string text)
        {
            try
            {
                XmlSerializer serializer = new XmlSerializer(typeof(T));
                MemoryStream ms = new MemoryStream();
                byte[] buffer = Encoding.UTF8.GetBytes(text);
                ms.Write(buffer, 0, buffer.Length);
                ms.Seek(0, SeekOrigin.Begin);
                object obj = serializer.Deserialize(ms);
                ms.Flush();
                ms.Close();
                if (obj != null)
                {
                    return (T)obj;
                }
            }
            catch (Exception ex)
            {
            }
            return default(T);
        }

将DataSet序列化为string

   /// <summary>
        /// 将对象序列化为字符串
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string Serialize<T>(T obj)
        {
            try
            {
                string xmlString = string.Empty;
                XmlSerializer xmlSerializer = new XmlSerializer(typeof(T));
                using (MemoryStream ms = new MemoryStream())
                {
                    xmlSerializer.Serialize(ms, obj);
                    xmlString = Encoding.UTF8.GetString(ms.ToArray());
                }
                return xmlString;

            }
            catch (Exception ex)
            { 
                throw ex;
            }
            return null;

        }