C++中Boost生成UUID的实例？

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我是靠谱客的博主等待鸭子，最近开发中收集的这篇文章主要介绍C++中Boost生成UUID的实例？，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

reference： https://cloud.tencent.com/developer/ask/96752

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我想生成随机的UUID，因为它对我的程序中的实例具有唯一标识符非常重要。我研究了Boost UUID，但我无法设法生成UUID，因为我不明白要使用哪个类和方法。

写回答关注邀请回答分享提问于 2018-04-17
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用户回答回答于 2018-04-17
一个基本的例子：

#include <boost/uuid/uuid.hpp>            // uuid class
#include <boost/uuid/uuid_generators.hpp> // generators
#include <boost/uuid/uuid_io.hpp>         // streaming operators etc.

int main() {
    boost::uuids::uuid uuid = boost::uuids::random_generator()();
    std::cout << uuid << std::endl;
}

实例产出：

7feb24af-fc 38-44 de-bc 38-04defc3804 de

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用户回答回答于 2018-04-17
如果需要多个uuid，则应该重新使用该生成器。也许这样更清楚：

#include <iostream>

#include <boost/uuid/uuid.hpp>            // uuid class
#include <boost/uuid/uuid_generators.hpp> // generators
#include <boost/uuid/uuid_io.hpp>         // streaming operators etc.


int main()
{
    boost::uuids::random_generator generator;

    boost::uuids::uuid uuid1 = generator();
    std::cout << uuid1 << std::endl;

    boost::uuids::uuid uuid2 = generator();
    std::cout << uuid2 << std::endl;

    return 0;
}

MFC 100W重复测试PASS

void CBoostUUIDDlg::OnBnClickedButton1()
{
	// TODO: 在此添加控件通知处理程序代码
	//boost::uuids::uuid uuid = boost::uuids::random_generator()();
	//std::cout << uuid << std::endl;
	//std::string struuid = boost::uuids::to_string(uuid);
	//CString str(struuid.c_str());
	//OutputDebugString(str);
	//str.Replace(_T("-"), _T(""));
	//OutputDebugString(_T("n") + str + _T("n"));

	libxl::Book* book = xlCreateXMLBook(); // xlCreateXMLBook() for xlsx
	// 出于隐私保护，此处KEY代码省略...
	// book->setKey(......);
	if (book)
	{
		libxl::Sheet* sheet = book->addSheet(L"Sheet1");
		if (sheet)
		{
			//sheet->writeStr(2, 1, L"Hello, World !");
			//sheet->writeNum(3, 1, 1000);
			for (int i = 0; i < 1000000; i++)
			{
				boost::uuids::uuid uuid = boost::uuids::random_generator()();
				std::string struuid = boost::uuids::to_string(uuid);
				CString str(struuid.c_str());
				str.Replace(_T("-"), _T(""));
				sheet->writeStr(i, 1, str);
			}

		}
		book->save(L"uuid.xlsx");
		book->release();
	}

}


void CBoostUUIDDlg::OnBnClickedButton2()
{
	// TODO: Add your control notification handler code here
	boost::uuids::random_generator generator;

	boost::uuids::uuid uuid1 = generator();
	std::cout << uuid1 << std::endl;

	boost::uuids::uuid uuid2 = generator();
	std::cout << uuid2 << std::endl;

}