原型模式（Prototype Pattern）
原型模式（Prototype Pattern）
用原型实例指定创建对象的种类，并且通过拷贝这些原型创建新的对象。模式的本质就是不断重复出现的问题的可重用解决方案。
（1） 原型实现
Person类
public class Person:ICloneable
{
private string name;
private string sex;
private string age;
private string timeArea;
private string company;
public Person(string name)
{
this.name = name;
}
public void SetPersonInfo(string sex,string age)
{
this.sex = sex;
this.age = age;
}
public void SetWorkExperience(string timeArea, string company)
{
this.timeArea = timeArea;
this.company = company;
}
public void Show()
{
Console.WriteLine("{0},{1},{2}",name,sex,age);
Console.WriteLine("工作经历:{0},{1}",timeArea,company);
}
#region ICloneable 成员
public object Clone()
{
return (object)this.MemberwiseClone();
}
#endregion
}
客户端代码
static void Main(string[] args)
{
Person person = new Person("呆呆");
person.SetPersonInfo("男", "23");
person.SetWorkExperience("2008-7", "视通");
Person b = (Person)person.Clone();
b.SetWorkExperience("2005-09","HQU");
Person c = (Person)person.Clone();
c.SetWorkExperience("2009-07", "毕业");
person.Show();
b.Show();
c.Show();
Console.Read();
}
运行结果:
(2)浅复制
Person类：
public class Person:ICloneable
{
private string name;
private string sex;
private string age;
private WorkExperience workExperience;
public Person(string name)
{
this.name = name;
workExperience = new WorkExperience();
}
public void SetPersonInfo(string sex,string age)
{
this.sex = sex;
this.age = age;
}
public void SetWorkExperience(string timeArea, string company)
{
workExperience.workDate = timeArea;
workExperience.company = company;
}
public void Show()
{
Console.WriteLine("{0},{1},{2}",name,sex,age);
Console.WriteLine("工作经历:{0},{1}", workExperience.workDate, workExperience.company);
}
#region ICloneable 成员
public object Clone()
{
return (object)this.MemberwiseClone();
}
#endregion
}
WorkExperience类
class WorkExperience
{
private string _workDate;
public string workDate
{
get { return _workDate; }
set { _workDate = value; }
}
private string _company;
public string company
{
get { return _company; }
set { _company = value; }
}
}
客户端实现与前面一样。
运行结果：
(3)深复制
WorkExperience类
class WorkExperience:ICloneable
{
private string _workDate;
public string workDate
{
get { return _workDate; }
set { _workDate = value; }
}
private string _company;
public string company
{
get { return _company; }
set { _company = value; }
}
#region ICloneable 成员
public object Clone()
{
return (object)this.MemberwiseClone();
}
#endregion
}
Person类：
public class Person:ICloneable
{
private string name;
private string sex;
private string age;
private WorkExperience workExperience;
public Person(string name)
{
this.name = name;
workExperience = new WorkExperience();
}
private Person(WorkExperience workExperience)
{
this.workExperience = (WorkExperience)workExperience.Clone();
}
public void SetPersonInfo(string sex,string age)
{
this.sex = sex;
this.age = age;
}
public void SetWorkExperience(string timeArea, string company)
{
workExperience.workDate = timeArea;
workExperience.company = company;
}
public void Show()
{
Console.WriteLine("{0},{1},{2}",name,sex,age);
Console.WriteLine("工作经历:{0},{1}", workExperience.workDate, workExperience.company);
}
#region ICloneable 成员
public object Clone()
{
Person obj = new Person(this.workExperience);
obj.name = this.name;
obj.sex = this.sex;
obj.age = this.age;
return obj;
}
#endregion
}
客户段代码与之前一样
运行结果：
