public static member function
<chrono>
static time_point now() noexcept;
獲取當前時間
示例
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
// system_clock::now
#include <iostream>
#include <ctime>
#include <ratio>
#include <chrono>
int main ()
{
using namespace std::chrono;
duration<int,std::ratio<60*60*24> > one_day (1);
system_clock::time_point today = system_clock::now();
system_clock::time_point tomorrow = today + one_day;
time_t tt;
tt = system_clock::to_time_t ( today );
std::cout << "today is: " << ctime(&tt);
tt = system_clock::to_time_t ( tomorrow );
std::cout << "tomorrow will be: " << ctime(&tt);
return 0;
}
|
可能的輸出
today is: Wed May 30 12:25:03 2012
tomorrow will be: Thu May 31 12:25:03 2012
|