BinaryFormatter bf = new BinaryFormatter();
            //var list = new List<Person> {
            //    new Person{ Name="zhangsan",Sex='m',Age=10},//    new Person{ Name="lisi",Sex='f',Age=18},//    new Person{ Name="person3",Age=0}
            //};

            //bf.Serialize(File.Create("Person.bin"),list);
            //Console.WriteLine("OK");

            var lsPerson = (List<Person>)bf.Deserialize(File.OpenRead("Person.bin"));
            //XmlSerializer xml = new XmlSerializer(lsPerson.GetType());
            //xml.Serialize(File.OpenWrite("S:\\PersonInfo.xml"),lsPerson);   //序列化对象到xml文档中
            foreach (var item in lsPerson)
                Console.WriteLine(item.Name);