std::string newGUID()
{
	char buf[50];
	memset(buf, 0, sizeof(buf));
	GUID guid;
	if (S_OK == ::CoCreateGuid(&guid)) {
		sprintf_s(buf, 50, "{%08X-%04X-%04x-%02X%02X-%02X%02X%02X%02X%02X%02X}"
			, guid.Data1
			, guid.Data2
			, guid.Data3
			, guid.Data4[0], guid.Data4[1]
			, guid.Data4[2], guid.Data4[3], guid.Data4[4], guid.Data4[5]
			, guid.Data4[6], guid.Data4[7]);
	}
	return std::string(buf);
}

#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_generators.hpp>
#include <boost/uuid/uuid_io.hpp>  
#include <boost/lexical_cast.hpp>

std::string getUUID()
{
	boost::uuids::random_generator rgen;						//随机生成器  
	boost::uuids::uuid a_uuid = rgen();							//生成一个随机的UUID  
	std::string str = boost::lexical_cast<std::string>(a_uuid); //uuid转换到字符串
	return str;
}

int _tmain(int argc, _TCHAR* argv[])
{
	std::thread t1(test, "t1", 1000);
	std::thread t2(test, "t2", 1500);
	t1.join(); // detach()
	t2.join(); // detach()

	char ch;
	std::cin >> ch;
	return 0;
}

#include <iostream>
#include <windows.h>
#include <thread>

class test
{
public:
	test() {}
	~test() {}

public:
	void testcout(const std::string& str, int time)
	{
		for (int i = 0; i < 10; i++)
		{
			Sleep(time);
			std::cout << str.c_str() << i << std::endl;
		}
	}
};

int _tmain(int argc, _TCHAR* argv[])
{
	test te;
	std::thread t1(&test::testcout, te, "t1", 1000);
	std::thread t2(&test::testcout, te, "t2", 1300);
	t1.join();
	t2.join();

	char ch;
	std::cin >> ch;
	return 0;
}