c++23种设计模式之责任链模式

#include <iostream> #include <string> #include <vector> using namespace std; // 请求 class Request { public: string m_strContent; int m_nNumber; }; // 管理者 class Manager { protected: Manager* manager; string name; public: Manager(string temp) { name = temp; } void SetSuccessor(Manager* temp) { manager = temp;  } virtual void GetRequest(Request* request) = 0; }; // 经理 class CommonManager : public Manager { public: CommonManager(string strTemp) : Manager(strTemp){} virtual void GetRequest(Request* request) { if ( request->m_nNumber>=0 && request->m_nNumber<10 ) { cout<<name<<"处理了"<<request->m_nNumber<<" 个请求"<<endl; } else { manager->GetRequest(request); } } }; // 总监 class MajorDomo : public Manager { public: MajorDomo(string name) : Manager(name){} virtual void GetRequest(Request* request) { if(request->m_nNumber>=10) { cout<<name<<" 处理了"<<request->m_nNumber<<" 个请求"<<endl; } } }; // 客户端 int main() { Manager * common = new CommonManager("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); return 0; }