深浅拷贝

class Program
{
[Serializable]
public class Car
{
public string name;
public Car(string name)
{
this.name = name;
}
}
[Serializable]
public class Person:ICloneable
{
public int id;
public string name;
public Car car;
public Person()
{
}
public Person(int id, string name, Car car)
{
this.id = id;
this.name = name;
this.car = car;
}

 public Object Clone() //实现ICloneable接口，达到浅表复制。浅表复制与深度复制无直接有关系。 对外提供一个创建自身的浅表副本的能力
 {
   return this.MemberwiseClone();
 }

}

//要复制的实例必须可序列化，包括实例引用的其它实例都必须在类定义时加[Serializable]特性。
public static T Copy<T>(T RealObject)
{
using (Stream objectStream = new MemoryStream())
{
//利用 System.Runtime.Serialization序列化与反序列化完成引用对象的复制
IFormatter formatter = new BinaryFormatter();
formatter.Serialize(objectStream, RealObject);
objectStream.Seek(0, SeekOrigin.Begin);
return (T)formatter.Deserialize(objectStream);
}
}

static void Main(string[] args)
{
Person p1 = new Person(1, "Scott", new Car("宝马"));
Console.WriteLine("原始值：P1:id={0}----------->name={1}------>car={2}", p1.id, p1.name, p1.car.name);
Person p2 = Copy<Person>(p1); //克隆一个对象
Person p3 = p1.Clone() as Person;//浅表复制
Console.WriteLine("改变P1的值");
p1.id = 2;
p1.name = "Lacy";
p1.car.name = "红旗";
Console.WriteLine("P1:id={0}----------->name={1}------>car={2}", p1.id, p1.name, p1.car.name);
Console.WriteLine("深度复制：P2:id={0}----------->name={1}------>car={2}", p2.id, p2.name, p2.car.name);
Console.WriteLine("浅表复制：P3:id={0}----------->name={1}------>car={2}", p3.id, p3.name, p3.car.name);
Console.ReadKey();

}