在unix/win32上有效地计算日志/时间戳以进行日志记录

#include<stdio.h>
#include <time.h>

int main() {
    time_t timestamp = time(NULL);
    printf("Timestamp: %ld\n", timestamp);
    return 0;
}

#include<stdio.h>
#include <time.h>

int main() {
    time_t rawtime;
    struct tm * timeinfo;

    time(&rawtime);
    timeinfo = localtime(&rawtime);

    char buffer[80];
    strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", timeinfo);
    printf("Formatted timestamp: %s\n", buffer);
    return 0;
}

#include<iostream>
#include<boost/date_time/posix_time/posix_time.hpp>

int main() {
    boost::posix_time::ptime current_time = boost::posix_time::second_clock::local_time();
    std::cout << "Current time: "<< boost::posix_time::to_simple_string(current_time)<< std::endl;
    return 0;
}