boost 获取当前日期

#include <boost/date_time/gregorian/gregorian.hpp>#include <iostream>using namespace boost::gregorian;using namespace std;int main(int argc, char const *argv[]) {  date d(day_clock::local_day());  cout<<"year: "<<d.year()<<", month: "<<d.month()<<", day: "<<d.day()<<endl;}