相關連結：https://blog.csdn.net/knowledgebao/article/details/85076661

sleep:

#include <thread>
#include <iostream>
auto start = std::chrono::high_resolution_clock::now();

std::this_thread::sleep_for(std::chrono::seconds(1));//1秒
std::this_thread::sleep_for(std::chrono::milliseconds(1));//1毫秒
std::this_thread::sleep_for(std::chrono::microseconds(1));//1微秒

auto end = std::chrono::high_resolution_clock::now();

std::chrono::duration<double, std::milli> elapsed = end - start;
std::cout << "Waited " << elapsed.count() << " ms\n";
 

參考資料：

1，https://my.oschina.net/yepanl/blog/2055078

2，https://docs.microsoft.com/zh-cn/previous-versions/hh920528(v=vs.120)

3，https://blog.csdn.net/Sandy_WYM_/article/details/83538635

4，http://www.runoob.com/w3cnote/cpp-std-thread.html

5，https://www.cnblogs.com/diegodu/p/7099300.html

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