设计模式学习-----组合模式

组合模式

　　　GOOD：整体和部分可以被一致对待（如WORD中复制一个文字、一段文字、一篇文章都是一样的操作）

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#include <iostream>
#include <string>
#include <vector>
using namespace std;

class Component
{
public:
    string m_strName;
    Component(string strName)
    {
        m_strName = strName;
    }
    virtual void Add(Component* com)=0;
    virtual void Display(int nDepth)=0;
};

class Leaf : public Component
{
public:
    Leaf(string strName): Component(strName){}

    virtual void Add(Component* com)
    {
        cout<<"leaf can't add"<<endl;
    }

    virtual void Display(int nDepth)
    {
        string strtemp;
        for(int i=0; i < nDepth; i++)
        {
            strtemp+="-";
        }
        strtemp += m_strName;
        cout<<strtemp<<endl;
    }
};

class Composite : public Component
{
private:
    vector<Component*> m_component;
public:
    Composite(string strName) : Component(strName){}

    virtual void Add(Component* com)
    {
        m_component.push_back(com);
    }

    virtual void Display(int nDepth)
    {
        string strtemp;
        for(int i=0; i < nDepth; i++)
        {
            strtemp+="-";
        }
        strtemp += m_strName;
        cout<<strtemp<<endl;

        vector<Component*>::iterator p=m_component.begin();
        while (p!=m_component.end())
        {
            (*p)->Display(nDepth+2);
            p++;
        }
    }

};

//客户端
int main()
{
    Composite* p=new Composite("小王");
    p->Add(new Leaf("小李"));
    p->Add(new Leaf("小赵"));

    Composite* p1 = new Composite("小小五");
    p1->Add(new Leaf("大三"));

    p->Add(p1);
    p->Display(1);
    return 0;
}

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#include <iostream>
#include <string>
#include <vector>
using namespace std;

class Company
{
protected:
    string m_strName;
public:
    Company(string strName)
    {
        m_strName = strName;
    }

    virtual void Add(Company* c)=0;
    virtual void Display(int nDepth)=0;
    virtual void LineOfDuty()=0;
};

class ConcreteCompany: public Company
{
private:
    vector<Company*> m_company;
public:
    ConcreteCompany(string strName):Company(strName){}

    virtual void Add(Company* c)
    {
        m_company.push_back(c);
    }
    virtual void Display(int nDepth)
    {
        string strtemp;
        for(int i=0; i < nDepth; i++)
        {
            strtemp += "-";
        }
        strtemp +=m_strName;
        cout<<strtemp<<endl;

        vector<Company*>::iterator p=m_company.begin();
        while (p!=m_company.end())
        {
            (*p)->Display(nDepth+2);
            p++;
        }
    }
    virtual void LineOfDuty()
    {
        vector<Company*>::iterator p=m_company.begin();
        while (p!=m_company.end())
        {
            (*p)->LineOfDuty();
            p++;
        }
    }
};

class HrDepartment : public Company
{
public:

    HrDepartment(string strname) : Company(strname){}

    virtual void Display(int nDepth)
    {
        string strtemp;
        for(int i = 0; i < nDepth; i++)
        {
            strtemp += "-";
        }

        strtemp += m_s

补充：软件开发 , Java ,