mrliu

0x00 记一下简单工厂模式#include <stdio.h> #include <string.h> class Fruit { public: //创建一个纯虚函数，作为基类成员函数 virtual void GetFruit() = 0; };//创建一个 Banana 类， 公共继承于 Fruit 类 class Banana : public Fruit { public

#include <iostream>using namespace std;//创建水果类 class Fruit { public: virtual void sayname() = 0; };class Banana : public Fruit { public: virtual void sayname(){ cout << "i'm Banana!" <<

0x00 单例模式之懒汉式#include <iostream>using namespace std;class Singelton { private: Singelton(){ cout << "构造函数执行!" << endl; } public: static Singelton * Instance() { if(m_ps