C# XmlSerializer

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C# 通过 XmlSerializer 将类进行序列化和反序列化保存XML

/// <summary>

        /// 获取List<T>
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="path"></param>
        /// <returns></returns>
        public static List<T> GetControlList<T>(string path)
        {
            try
            {
                List<T> list;
                if (!File.Exists(path))
                {
                    list = new List<T>();
                    SaveTToXml<T>(list, path);
                    return list;
                }
                if (File.GetAttributes(path).ToString().Contains(FileAttributes.ReadOnly.ToString()))
                {
                    File.SetAttributes(path, FileAttributes.Normal);
                }
                StreamReader streamReader = new StreamReader(path);
                XmlSerializer xmlserializer = new XmlSerializer(typeof(List<T>));
                object obj = xmlserializer.Deserialize(streamReader);
                streamReader.Close();
                list = (List<T>)obj;
                return list;
            }
            catch (Exception ex)
            {

                return null;
            }
        }
        /// <summary>
        /// 保存List<T>
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="list"></param>
        /// <param name="path"></param>
        public static void SaveTToXml<T>(List<T> list, string path)
        {
            try
            {
                MemoryStream memoryStream = new MemoryStream();
                XmlSerializer xml = new XmlSerializer(typeof(List<T>));
                xml.Serialize(memoryStream, list);
                memoryStream.Position = 0;
                XmlDocument ScreenWall = new XmlDocument();
                ScreenWall.Load(memoryStream);
                memoryStream.Close();
                ScreenWall.Save(path);
            }
            catch (Exception ex)
            {

            }
        }
        /// <summary>
        /// 添加 T 到XML中
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="obj"></param>
        /// <param name="path"></param>
        public static void AddTToXml<T>(T obj, string path)
        {
            try
            {
                List<T> screenWalllist = GetControlList<T>(path);
                if (screenWalllist != null)
                {
                    screenWalllist.Add(obj);
                }
                else
                {
                    screenWalllist = new List<T>();
                    screenWalllist.Add(obj);
                }
                SaveTToXml<T>(screenWalllist, path);
            }
            catch (Exception ex)
            {

            }
        }

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