string转时间

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time_t StringToDatetime(string str) {      char *cha = (char*)str.data();                 tm tm_;                                        int year, month, day, hour, minute, second;     sscanf(cha, "%d-%d-%d %d:%d:%d", &year, &month, &day, &hour, &minute, &second);     tm_.tm_year = year - 1900;                    tm_.tm_mon = month - 1;                       tm_.tm_mday = day;                           tm_.tm_hour = hour;                            tm_.tm_min = minute;                          tm_.tm_sec = second;                            tm_.tm_isdst = 0;                               time_t t_ = mktime(&tm_);                         return t_;                                 }

　　

https://www.cnblogs.com/renjiashuo/p/6913668.html