38 lines
831 B
C++
38 lines
831 B
C++
#include <iostream>
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#include <time.h> // 时间函数库
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#include <unistd.h> //程序睡眠函数库
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using namespace std;
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int main() {
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time_t t1; //存放时间类型的类型 typedef long time_t
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// time() 获取当前时间
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// 原型 time_t time(time_t *tloc)
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t1 = time(0); // == time(&t1);
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/*
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struct tm {
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int tm_year;
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int tm_mon;
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int tm_mday;
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int tm_hour;
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int tm_min;
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int tm_sec;
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int tm_wday;
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int tm_yday; 从每年1.1开始算
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int tm_isdst;
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}
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struct tm * localtime(const time_t *time) 把time_t转换成tm结构体
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struct tm * localtime_r(const time_t *time, struct tm *result) 线程安全
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time_t mktime(struct tm *tm); 把tm转换成time_t
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*/
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// 程序睡眠
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unsigned int sleep(unsigned int seconds); //单位s
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int usleep(useconds_t usec); //微妙
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return 0;
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}
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