日期函数操作模板

#include<iostream>
#include<ctime>
#include<cstring>
using namespace std;
const char weekdiary[][6]={
    {""},
    {"Mon"},
    {"Tue"},
    {"Wed"},
    {"Thur"},
    {"Fri"},
    {"Sat"},
    {"Sun"},
};

const char monthdiary[][6]={
    {""},
    {"Jan"},
    {"Feb"},
    {"Mar"},
    {"Apr"},
    {"May"},
    {"Jun"},
    {"Jul"},
    {"Aug"},
    {"Sept"},
    {"Oct"},
    {"Nov"},
    {"Dec"},
};

int main()
{
   time_t now = time(0);
   char* t = ctime(&now);
   cout<<t;
   //
   char week[6];
   char month[6];
   memset(week,0,sizeof(week));
   memset(month,0,sizeof(month));
   int day,hour,minute,second,year;
   sscanf(t,"%s %s %d %d:%d:%d %d
",week,month,&day,&hour,&minute,&second,&year);
   //
   cout<<week<<endl;
   cout<<month<<endl;
   printf("---------------
");
   for(int i=1;i<8;i++)
   {
       if(!memcmp(week,weekdiary[i],sizeof(weekdiary[i])))
       {
           cout<<"weekday "<<i<<endl;
           break;
       }
   }
   for(int i=1;i<13;i++)
   {
       if(!memcmp(month,monthdiary[i],sizeof(monthdiary[i])))
       {
           cout<<"month "<<i<<endl;
           break;
       }
   }
   printf("%d
",day);
   printf("%d
",hour);
   printf("%d
",minute);
   printf("%d
",second);
   printf("%d
",year);
   return 0;
}