strftime

 

qi

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std::string time_now() {   time_t t = time(0);   char tmp[64];   strftime(tmp, sizeof(time), "%Y%m%dT%H%M%S", localtime(&t));   return tmp; }

　　

re

1. 

http://www.cplusplus.com/reference/ctime/strftime/

2. 

http://man7.org/linux/man-pages/man3/strftime.3.html

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