C#中序列化的使用总结

public class XMLUtil    {
            /// summary>
            /// XML &
     Datacontract Serialize &
     Deserialize HelPEr        /// /summary>
            /// typeparam name="T">
    /typeparam>
            /// param name="serialObject">
    /param>
            /// returns>
    /returns>
            public static string SerializerT>
(T serialObject) where T : class        {
                string result = string.Empty;
            using (MemoryStream mem = new MemoryStream())            {
                using (XmlTextWrITer writer = new XmlTextWriter(mem, Encoding.UTF8))                {
                        System.Xml.Serialization.XmlSerializer ser = new System.Xml.Serialization.XmlSerializer(typeof(T));
                        ser.Serialize(writer, serialObject);
                        result = Encoding.UTF8.GetString(mem.ToArray());
                }
            }
                return result;
        }
            public static T DeserializeT>
(string str) where T : class        {
                T result = null;
            using (MemoryStream memoryStream = new MemoryStream(Encoding.UTF8.GetBytes(str)))            {
                using (StreamReader streamReader = new StreamReader(memoryStream))                {
                        System.Xml.Serialization.XmlSerializer xmlSerializer = new System.Xml.Serialization.XmlSerializer(typeof(T));
                        result = (T)xmlSerializer.Deserialize(memoryStream);
                }
            }
                return result;
        }
    }
    

上面的写法持续序列化不会有内存溢出的性能问题，之前一直被告知直接引用公司某位老鸟封装好的dll来序列化，后来发现了老是出现内存溢出，贴一下它的错误写法，仅供吸取教训：

public class XMLUtil    {
            /// summary>
            /// XML &
     Datacontract Serialize &
     Deserialize Helper        /// /summary>
            /// typeparam name="T">
    /typeparam>
            /// param name="serialObject">
    /param>
            /// returns>
    /returns>
            public static string SerializerT>
(T serialObject) where T : class        {
            //try            //{
                XmlSerializer ser = new XmlSerializer(typeof(T));
                System.IO.MemoryStream mem = new MemoryStream();
                XmlTextWriter writer = new XmlTextWriter(mem, Encoding.UTF8);
                ser.Serialize(writer, serialObject);
                writer.Close();
                return Encoding.UTF8.GetString(mem.ToArray());
            //}
            //catch (Exception ex)            //{
                //    return null;
            //}
        }
            public static T DeserializeT>
(string str) where T : class        {
            //try            //{
                XmlSerializer mySerializer = new XmlSerializer(typeof(T));
                StreamReader mem2 = new StreamReader(                    new MemoryStream(System.Text.Encoding.UTF8.GetBytes(str)),                    System.Text.Encoding.UTF8);
                return (T)mySerializer.Deserialize(mem2);
            //}
            //catch (Exception)            //{
                //    return null;
            //}
        }
        //public static string Json_SerializeObject(object value)        //{
            //    return Newtonsoft.Json.JsonConvert.SerializeObject(value);
        //}
        //public static object Json_DeserializeObject(string value)        //{
            //    return Newtonsoft.Json.JsonConvert.DeserializeObject(value);
        //}
            //public static T Json_DeserializeObjectT>
(string value)        //{
            //    return Newtonsoft.Json.JsonConvert.DeserializeObjectT>
    (value);
        //}
    }
    

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