C#设计模式之原型模式

[Serializable]  //深克隆时需要将类标记为Serializable
public class Person:ICloneable
{
    public string CurrentEmployee { get; set; }
    public Member Member { get; set; }
    public Person()
    {
        this.CurrentEmployee = "admin";
        Member member = new Member();
        member.Id = 3;
        member.Name = "Mem";
        this.Member = member;
    }
    public object Clone()
    {
        return this.MemberwiseClone();
    }
    #region 静态方式创建对象
    private static Person _person;
    /// <summary>
    /// 静态构造函数，永远只运行一次
    /// </summary>
    static Person()
    {
        _person = new Person();
    }
    public static Person StaticClone()
    {
        return _person.MemberwiseClone() as Person;
    } 
    #endregion
}

[Serializable]
public class Member
{
    public int Id { get; set; }
    public string Name { get; set; }
}

public class SerializeHelper
{
    /// <summary>
    /// 序列化
    /// </summary>
    /// <param name="target"></param>
    /// <returns></returns>
    public static string Serializable(object target)
    {
        using(MemoryStream stream=new MemoryStream())
        {
            new BinaryFormatter().Serialize(stream,target);
            return Convert.ToBase64String(stream.ToArray());
        }
    }
    /// <summary>
    /// 反序列化
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="target"></param>
    /// <returns></returns>
    public static T Derializable<T>(string target)
    {
        byte[] targetArray = Convert.FromBase64String(target);
        using (MemoryStream stream = new MemoryStream(targetArray))
        { 
            return (T)(new BinaryFormatter().Deserialize(stream));
        }
    }
    /// <summary>
    /// 合并反序列化与序列化
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="t"></param>
    /// <returns></returns>
    public static T DeepClone<T>(T t)
    {
        return Derializable<T>(Serializable(t));
    }
}

//浅表克隆，原来创建的对象值会改变
Person p = new Person();
Person p1 = p.Clone() as Person;
p1.CurrentEmployee = "user";
p1.Member.Id = 1;
p1.Member.Name = "pp1";
//深度克隆,原来创建的对象值不会改变
Person p2 = p.Clone() as Person;
Person p3 = SerializeHelper.Derializable<Person>(SerializeHelper.Serializable(p2));
//或者简写
//Person p3 = SerializeHelper.DeepClone<Person>(p2);
p3.Member.Id = 6;
p3.Member.Name = "dd3";
Console.Read();