c语言获取系统时间

struct tm结构体

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

int main() {
    time_t cur_time = time(NULL);
    struct tm* timer = localtime(&cur_time);

    int year = timer->tm_year + 1900;
    int month = timer->tm_mon+1;
    int day = timer->tm_mday;
    int hour = timer->tm_hour;
    int min = timer->tm_min;
    int second = timer->tm_sec;
    int week = timer->tm_wday; // 0-6
    const char* weeks[] = {"日","一","二","三","四","五","六"};

    printf("%d年%d月%d日 %d:%d:%d 星期%s \n", year, month, day, hour, min, second, weeks[week]);

    return 0;
}

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