日期函数操作模板

 1 #include<iostream>
 2 #include<ctime>
 3 #include<cstring>
 4 using namespace std;
 5 const char weekdiary[][6]={
 6     {""},
 7     {"Mon"},
 8     {"Tue"},
 9     {"Wed"},
10     {"Thur"},
11     {"Fri"},
12     {"Sat"},
13     {"Sun"},
14 };
15 
16 const char monthdiary[][6]={
17     {""},
18     {"Jan"},
19     {"Feb"},
20     {"Mar"},
21     {"Apr"},
22     {"May"},
23     {"Jun"},
24     {"Jul"},
25     {"Aug"},
26     {"Sept"},
27     {"Oct"},
28     {"Nov"},
29     {"Dec"},
30 };
31 
32 int main()
33 {
34    time_t now = time(0);
35    char* t = ctime(&now);
36    cout<<t;
37    //
38    char week[6];
39    char month[6];
40    memset(week,0,sizeof(week));
41    memset(month,0,sizeof(month));
42    int day,hour,minute,second,year;
43    sscanf(t,"%s %s %d %d:%d:%d %d\n",week,month,&day,&hour,&minute,&second,&year);
44    //
45    cout<<week<<endl;
46    cout<<month<<endl;
47    printf("---------------\n");
48    for(int i=1;i<8;i++)
49    {
50        if(!memcmp(week,weekdiary[i],sizeof(weekdiary[i])))
51        {
52            cout<<"weekday "<<i<<endl;
53            break;
54        }
55    }
56    for(int i=1;i<13;i++)
57    {
58        if(!memcmp(month,monthdiary[i],sizeof(monthdiary[i])))
59        {
60            cout<<"month "<<i<<endl;
61            break;
62        }
63    }
64    printf("%d\n",day);
65    printf("%d\n",hour);
66    printf("%d\n",minute);
67    printf("%d\n",second);
68    printf("%d\n",year);
69    return 0;
70 }