设计模式学习(十六)：职责链模式

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

class Boss{
protected:
string name;
Boss *boss;
public:
Boss(Boss *b,string str):boss(b),name(str){}
virtual void passRequest(int money) = 0;

};

class PM:public Boss {
public:
PM(Boss *b,string str):Boss(b,str){}
void passRequest(int money) {
if (money < 500) {
cout<<"PM:"<<name<<" passed"<<endl;
} else {
cout<<"PM:"<<name<<" cannt passed"<<endl;
boss->passRequest(money);
}
}
};

class HR:public Boss {
public:
HR(Boss *b,string str):Boss(b,str){}
void passRequest(int money) {
if (money < 1000) {
cout<<"HR:"<<name<<" passed"<<endl;
} else {
cout<<"HR:"<<name<<" cannt passed"<<endl;
boss->passRequest(money);
}
}
};

class Manager:public Boss {
public:
Manager(Boss *b,string str):Boss(b,str){}
void passRequest(int money) {
cout<<"Manager:"<<name<<" passed"<<endl;
}
};

int main(){
string str("Manager");
Boss *b = new Manager(NULL,str);
str = "HR";
Boss *hr = new HR(b,str);
str = "PM";
Boss *pm = new PM(hr,str);

pm->passRequest(5000); //处理加薪5000请求

return 1;
}

PM:PM cannt passed
HR:HR cannt passed
Manager:Manager passed