组合模式

本文通过C#代码实现了一个简单的公司组织结构模拟系统,包括部门和公司层级,并演示了如何添加和展示下属组织。

using System;

using System.Collections.Generic;

namespace MyApp

{

class Program

{

static void Main()

{

Department department1 = new Department("Qian", "Resource Shanghai");

Department department2 = new Department("Li", "ITG Shanghai");

Department department3 = new Department("Zhang", "Account Shanghai");

Department department4 = new Department("Sun", "Account Beijing");

Department department5 = new Department("Fan", "Resource Beijing");

Company company1 = new Company("Zhou Jie", "Wicresoft Beijing");

company1.AddOrganization(department4);

company1.AddOrganization(department5);

Company company2 = new Company("Zhou Li","Wicresoft Shanghai");

company2.AddOrganization(company1);

company2.AddOrganization(department1);

company2.AddOrganization(department2);

company2.AddOrganization(department3);

company2.Display();

Console.ReadKey();

}

}

abstract class Organization

{

protected string managerName;

protected string organizationName;

public Organization(string managerName, string organizationName)

{

this.managerName = managerName;

this.organizationName = organizationName;

}

public abstract void AddOrganization(Organization organization);

public abstract void DeleteOrganization(Organization organization);

public abstract void Display();

}

class Department:Organization

{

public Department(string managerName, string departmentNmae)

: base(managerName, departmentNmae)

{ }

public override void AddOrganization(Organization organization)

{

Console.WriteLine("You can't add a organization under a department...");

}

public override void DeleteOrganization(Organization organization)

{

Console.WriteLine("You can't delete a organization under a department...");

}

public override void Display()

{

Console.WriteLine("Department:{0}",organizationName);

Console.WriteLine("Manager:{0}", managerName);

Console.WriteLine();

}

}

class Company : Organization

{

public Company(string managerName, string companyName)

: base(managerName, companyName)

{ }

List<Organization> organizations = new List<Organization>();

public override void AddOrganization(Organization organization)

{

organizations.Add(organization);

}

public override void DeleteOrganization(Organization organization)

{

organizations.Remove(organization);

}

public override void Display()

{

Console.WriteLine("Company:{0}", organizationName);

Console.WriteLine("Manager:{0}", managerName);

Console.WriteLine();

foreach (Organization organization in this.organizations)

{

organization.Display();

}

}

}

}

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