原型模式

　　定义:

　　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.

　　Prototype模式允许一个对象再创建另外一个可定制的对象，根本无需知道任何如何创建的细节,工作原理是:通过将一个原型对象传给那个要发动创建的对象，这个要发动创建的对象通过请求原型对象拷贝它们自己来实施创建。

using System;

using System.Collections.Generic;

namespace MyApp

{

class Program

{

static void Main()

{

Resume myResume = new Resume("Xufei Fan", "25", "Male");

myResume.AddExperience("07/21/2009", "02/21/2010", "Wicresoft",

@"Work in team TeamArch, Devdiv, Microsoft");

myResume.AddExperience("03/01/2010","Now","Chinasoft",

@"Work in team C# IDE, Devdiv, Microsoft");

myResume.DisPlay();

Console.ReadKey();

}

}

class WorkExperience : ICloneable

{

public string StartYear { get; set; }

public string EndYear { get; set; }

public string CompanyName { get; set; }

public string Profile { get; set; }

public object Clone()

{

return MemberwiseClone();

}

}

class Resume : ICloneable

{

private string name;

private string year;

private string sex;

private List<WorkExperience> workExperiences = new List<WorkExperience>();

public Resume(string name, string year, string sex)

{

this.name = name;

this.year = year;

this.sex = sex;

}

public void AddExperience(string startYear, string endYear, string companyName, string profile)

{

if (workExperiences.Count == 0)

{

workExperiences.Add(new WorkExperience());

SetCurrentWorkExperience(startYear, endYear, companyName, profile);

}

else

{

workExperiences.Add((WorkExperience)(workExperiences[workExperiences.Count - 1].Clone()));

SetCurrentWorkExperience(startYear, endYear, companyName, profile);

}

}

private void SetCurrentWorkExperience(string startYear, string endYear, string companyName, string profile)

{

workExperiences[workExperiences.Count - 1].StartYear = startYear.Trim();

workExperiences[workExperiences.Count - 1].EndYear = endYear.Trim();

workExperiences[workExperiences.Count - 1].CompanyName = companyName.Trim();

workExperiences[workExperiences.Count - 1].Profile = profile.Trim();

}

public void DisPlay()

{

Console.WriteLine("MY RESUME");

Console.WriteLine();

Console.WriteLine("[BASIC INFOR]");

Console.WriteLine("Name:{0} Age:{1} Sex:{2}", name, year, sex);

Console.WriteLine();

Console.WriteLine("[WORK EXPERIENCES]");

for (int i = 0; i < workExperiences.Count; i++)

{

Console.WriteLine("The {0}'th work experience:", (i + 1).ToString());

Console.WriteLine("From {0} To {1} In {2}", workExperiences[i].StartYear, workExperiences[i].EndYear, workExperiences[i].CompanyName);

Console.WriteLine("Description:{0}",workExperiences[i].Profile);

Console.WriteLine();

}

}

public object Clone()

{

Resume resume=this;

resume.workExperiences=null;

return resume;

}

}

}