class Common
        {
                ///

                /// 将XML文件写入指定的对象
                ///

                /// "xmlFile">xml绝对路径
                /// "type">序列的类型,要与XML对应的类
                /// 将对象返回,当文件操作失败则返回Null值
                public static object DeserializeXmlToObject(string xmlFile, Type type)
                {
                        XmlSerializer mySerializer = new XmlSerializer(type);
                        using (FileStream stream = new FileStream(xmlFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
                        {
                                return mySerializer.Deserialize(stream);
                        }
                }

                ///

                ///    将对象写入到XML中
                ///

                /// "obj">数据源对象
                /// "xmlFile">目标路径
                /// "type">转换类型
                public static void SerializeObjectToXml(object obj, String xmlFile, Type type)
                {
                        XmlSerializer mySerializer = new XmlSerializer(type);
                        using (FileStream stream = new FileStream(xmlFile, FileMode.Create, FileAccess.Write, FileShare.Read))
                        {
                                mySerializer.Serialize(stream, obj);
                        }
                }
        }

//反序列化
                                Update a = new Update();
                                a.version = new Version();
                                a.version.type = "0";
                                a.version.value = "1.0.0.0";
                                a.updatetime = new Updatetime();
                                a.updatetime.value = new System.DateTime();
                                a.files = new File[1];
                                a.files[0] = new File();
                                a.files[0].url = "http://test.exe";
                                Common.SerializeObjectToXml(a, "目标.xml", typeof(Update));

                                //系列化
                                Update u = (Update)Common.DeserializeXmlToObject("目标.xml", typeof(Update));