单例模式

#include <iostream>
using namespace std;

class Singleton  
{  
private:    
    Singleton()  
    {  
    }
    
public:
    void test() {cout<<"test"<<endl;}
    static Singleton* GetInstance()  
    {  
        static Singleton singleton;
        return &singleton;
    }  
};   


int main(void)
{
    Singleton *t1 = Singleton::GetInstance();
    t1->test();
    return 0;
}