C语言编程,输入是yyyy-month-dd格式的日期 ,求出K天後的日期_百度知 ...答:sprintf(date2, "%6.6s%02d", date1, Mday[mm-LeapFebruary(date1)]);return 0;} if ( type == 3 ){ memset(datebeg, 0, sizeof(datebeg));memset(dateend, 0, sizeof(dateend));memcpy(datebeg, date1, 8);inputnum = *num;EXEC SQL select to_char((to_date(:datebeg,'...