c++怎么实现string与time互相转换

#include
#include
#include
usingnamespacestd;

time_tstring2time_t(conststringstring_time);
stringtime_t2string(consttime_ttime_t_time);
intmain()
{
stringstrTime="2014/03/2818:25:26";
time_ttime1=string2time_t(strTime);
couttm_sec);

stringstrTime=szTime;

deletepTm;
pTm=NULL;

returnstrTime;
}

stringget_time()
{
string timeStr;
//time_t t = time(0);
time_t t = time(NULL);
char tmp[64];
strftime( tmp, sizeof(tmp), "%Y-%m-%d %X ",localtime(&t) );// 2017-05-16 17:00:00
 
timeStr = tmp;
return timeStr;
}

time_t convert_string_to_time_t(const std::string & time_string)
{
struct tm tm1;
time_t time1;
sscanf(time_string.c_str(), “%d-%d-%d %d:%d:%d” ,
&(tm1.tm_year),
&(tm1.tm_mon),
&(tm1.tm_mday),
&(tm1.tm_hour),
&(tm1.tm_min),
&(tm1.tm_sec));
 
tm1.tm_year -= 1900;
tm1.tm_mon –;
tm1.tm_isdst=-1;
time1 = mktime(&tm1);
 
return time1;
}