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#include <windows.h>

#include <iostream>

using namespace std;

class Singleton

{

public:

static Singleton* Instance()

{

if (!_instance) {

_instance = new Singleton();

}

return _instance;

}

private:

Singleton()

{

cout << "Singleton..." << endl;

}

static Singleton* _instance;

};

Singleton* Singleton::_instance = nullptr;

int main()

{

SetConsoleOutputCP(65001);

Singleton *singleton1 = Singleton::Instance();

cout << singleton1 << endl;

Singleton *singleton2 = Singleton::Instance();

cout << singleton2 << endl;

delete Singleton::Instance();

std::cout << std::endl;

std::cout << "中文测试" << std::endl;

system("pause");

return 0;

}