Xml 序列化和反序列化

xml序列化帮助类

using System.IO;
using System.Xml;
using System.Xml.Serialization;

public class XmlHelper
        {
            public static T Deserialize<T>(String file)
            {
                if (!File.Exists(file))
                {
                    throw new FileNotFoundException();
                }

                T obj;
                using (FileStream fs = new FileStream(file, FileMode.Open))
                {
                    XmlSerializer xml = new XmlSerializer(typeof(T));
                    obj = (T)xml.Deserialize(fs);
                    fs.Close();
                }
                return obj;
            }
           

            #region 序列化
            /// <summary>
            /// 序列化
            /// </summary>
            /// <param name="type">类型</param>
            /// <param name="obj">对象</param>
            /// <returns></returns>
            public static string Serializer<T>(object obj)
            {
                using (MemoryStream stream = new MemoryStream())
                {
                    XmlSerializer xml = new XmlSerializer(typeof(T));
                    //序列化对象
                    xml.Serialize(stream, obj);
                    stream.Position = 0;
                    using (StreamReader sr = new StreamReader(stream))
                    {
                        string str = sr.ReadToEnd();
                        return str;
                    }
                }
            }
            public static void Serializer<T>(String saveFile, T obj)
            {
                XmlSerializer serializer = new XmlSerializer(typeof(T));
                using (FileStream stream = new FileStream(saveFile, FileMode.Create))
                {
                    serializer.Serialize(stream, obj);
                }
            }
            /// <summary>
            /// 将一个对象序列化为XML字符串
            /// </summary>
            /// <param name="obj">要序列化的对象</param>
            /// <param name="encoding">编码方式</param>
            /// <returns>序列化产生的XML字符串</returns>
            public static void XmlSerialize(object obj, string xml, Encoding encoding)
            {
                if (encoding == null)
                    throw new ArgumentNullException("encoding");

                using (FileStream stream = new FileStream(xml, FileMode.Create))
                {
                    XmlWriterSettings settings = new XmlWriterSettings();
                    settings.Encoding = encoding;
                    settings.Indent = true;//缩进和换行
                    using (XmlWriter writer = XmlWriter.Create(stream, settings))
                    {
                        XmlSerializer serializer = new XmlSerializer(obj.GetType());
                        serializer.Serialize(writer, obj);
                    }
                }
            }

            #endregion
        }

参考