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编程知识 时间:2024-12-04 13:00:24
作者:文/会员上传
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在C++中获取时间戳的方法通常有以下几种:使用标准库中的time()函数来获取当前系统时间的时间戳,返回的是从1970年1月1日0时0分0秒开始到现在的秒数。#include <ctime>#include
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在C++中获取时间戳的方法通常有以下几种:
#include <ctime>#include <iostream>int main() {time_t timestamp = time(nullptr);std::cout << "Current timestamp: " << timestamp << std::endl;return 0;}
#include <chrono>#include <iostream>int main() {auto timestamp = std::chrono::system_clock::now().time_since_epoch().count();std::cout << "Current timestamp: " << timestamp << std::endl;return 0;}
#include <iostream>#include <windows.h>int main() {SYSTEMTIME st;GetSystemTime(&st);FILETIME ft;SystemTimeToFileTime(&st, &ft);ULARGE_INTEGER ul;ul.LowPart = ft.dwLowDateTime;ul.HighPart = ft.dwHighDateTime;time_t timestamp = ul.QuadPart / 10000000ULL - 11644473600ULL;std::cout << "Current timestamp: " << timestamp << std::endl;return 0;}
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