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proxyMode.cpp
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107 lines (103 loc) · 2.9 KB
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/***
* 简单的代理模式
* 找个人帮我打游戏
* ***/
#include <iostream>
using namespace std;
class IGamePlayer{
public:
IGamePlayer(){}
virtual void login(const string& name,const string &password) {
cout << "who login?" << endl;
}
virtual void killBoss() {
cout << "kill boss?" << endl;
}
virtual void upgrade() {
cout << "upgrade?" << endl;
}
// private:
// IGamePlayer(const IGamePlayer&);
// IGamePlayer& operator=(const IGamePlayer&);
};
class GamePlayer:public IGamePlayer{
public:
GamePlayer(IGamePlayer *_gameplayer,const string &_name){
if(_gameplayer==nullptr){
throw runtime_error("no new object");
}else{
name = _name;
}
}
virtual void login(const string& name,const string &password) override{
cout << name << "login" << endl;
}
virtual void killBoss() override{
cout << name << "kill boss" << endl;
}
virtual void upgrade() override{
cout << name << "upgrade" << endl;
}
private:
string name;
};
class IProxy{
public:
virtual void count()=0;
};
// 来个代练的
class GamePlayerProxy:public IGamePlayer,public IProxy{
IGamePlayer *gameplayer;
public:
GamePlayerProxy(const string &_name){
// gameplayer = igameplayer; // 这里的命名要是相同会产生segement fault的错误
try{
gameplayer=new GamePlayer(this,_name); // 在里面构造新对象，而且仅对某对象代理
}catch(exception e){
cout << e.what() << endl;
}
}
virtual void login(const string& name,const string &password) override{
gameplayer->login(name,password);
}
virtual void killBoss() override{
gameplayer->killBoss();
}
virtual void upgrade() override{
gameplayer->upgrade();
}
virtual void count() override{
cout << "20 buckets thanks" << endl;
}
};
/***
* 普通代理
* 普通代理 要求客户端只能访问代理角色，不能访问真实的角色
*
* 强制代理
* 强制你去找代理
* 只能找代理处理
* 代理也可以做一些自己的事情
*
* 动态代理
* 面向横切面编程
* AOP
* 采用动态代理机制
* ***/
int main(){
// IGamePlayer *player= new GamePlayer("Trans");
// IGamePlayer *proxy = new GamePlayerProxy(player);
// proxy->login("trans","123445");
// proxy->killBoss();
// proxy->upgrade();
IGamePlayer *comproxy = new GamePlayerProxy("Mr Trans");
comproxy->login("trans","12345");
comproxy->killBoss();
comproxy->upgrade();
GamePlayerProxy gmp("Mr");
gmp.login("123","123");
gmp.killBoss();
gmp.upgrade();
gmp.count();
return 0;
}