[Serializable] //如果要想保存某个class中的字段,必须在class前面加个这样attribute(C#里面用中括号括起来的标志符)
public class Person
{public int age;public string name;[NonSerialized] //如果某个字段不想被保存,则加个这样的标志public string secret;}

class Program
{static void Main(string[] args){//序列化Person person = new Person();person.age = 18;person.name = "tom";person.secret = "i will not tell you";FileStream stream = new FileStream(@"c:\temp\person.dat", FileMode.Create);BinaryFormatter bFormat = newBinaryFormatter();bFormat.Serialize(stream, person);stream.Close();//反序列化Person person = new Person();FileStream stream = new FileStream(@"c:\temp\person.dat", FileMode.Open);BinaryFormatter bFormat = new BinaryFormatter();person = (Person)bFormat.Deserialize(stream);//反序列化得到的是一个object对象.必须做下类型转换
        stream.Close();Console.WriteLine(person.age + person.name + person.secret);//结果为18tom.因为secret没有有被序列化.
}
}

//序列化
Person person = new Person();
person.age = 18;
person.name = "tom";
person.secret = "i will not tell you";
FileStream stream = new FileStream(@"c:\temp\xmlFormat.xml", FileMode.Create);XmlSerializer xmlserilize = new XmlSerializer(typeof(Person));
xmlserilize.Serialize(stream, person);
stream.Close();//反序列化
Person person = new Person();
FileStream stream =new FileStrea (@"c:\temp\xmlFormat.xml",FileMode.Open);XmlSerializerxmlserilize = new XmlSerializer(typeof(Person));
person = (Person)xmlserilize.Deserialize(stream);
stream.Close();Console.WriteLine(person.age + person.name + person.secret);