大话设计模式_职责链模式

**

#include <iostream>
#include <string>
#include <vector>
using namespace std;
class Request
{
public:
    string m_strContent;
    int m_nNumber;
};
class Manager
{
public:
    Manager(string temp)
    {
        name = temp;
    }
    void SetSuccessor(Manager *temp)
    {
        manager = temp;
    }
    virtual void GetRequest(Request *request) = 0;
protected:
    string name;
    Manager *manager;
};
class CommomManager :public Manager
{
public:
    CommomManager(string strTemp) :Manager(strTemp)
    {

    }
    virtual void GetRequest(Request *request)
    {
        if (request->m_nNumber >= 0 && request->m_nNumber < 10)
        {
            cout << name << "done" << request->m_nNumber << "request" << endl;
        }
        else
        {
            manager->GetRequest(request);
        }
    }
};
class MajorDomo :public Manager
{
public:
    MajorDomo(string name) :Manager(name){}
    virtual void GetRequest(Request *request)
    {
        if (request->m_nNumber >= 10)
        {
            cout << name << "done" << request->m_nNumber << "request" << endl;
        }
    }
};
int main()
{
    Manager *common = new CommomManager("张经理");
    Manager *major = new MajorDomo("李总监");
    common->SetSuccessor(major);
    Request *req = new Request();
    req->m_nNumber = 33;
    common->GetRequest(req);
    req->m_nNumber = 3;
    common->GetRequest(req);
    system("pause");
    return 0;
}

**

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