255 lines
6.7 KiB
C++
255 lines
6.7 KiB
C++
#include<stdio.h>
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#include<math.h>
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#include<stdlib.h>
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void arr(long long int year,int month,int day)//判断星期几
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{
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int w;
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printf("\n\n\n\n\n\n\n\n\n\n\n\n\n");
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printf(" **************************************\n");
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printf(" * *\n");
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printf(" * *\n");
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printf(" * 欢迎使用万年历！！ *\n");
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printf(" * *\n");
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printf(" * *\n");
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printf(" **************************************\n");
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printf(" *请输入所查日期：");
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while(scanf("%lld %d %d",&year,&month,&day)!=EOF)
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{
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int c=year/100;
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int y=year%100;
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if(month<0||month>12||day>31)
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{
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printf(" *请重新输入所查日期：");
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}
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else
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{
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if(year<1582||(year==1582&&month<10)||(year==1582&&month==10&&day<=4))
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{
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if(month==1||month==2)
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{
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y--;
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month+=12;
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}
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w=(y+y/4+c/4-2*c+(13*(month+1))/5+day+2)%7;
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}
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else
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{
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if(month==1||month==2)
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{
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y--;
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month+=12;
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}
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w=(y+y/4+c/4-2*c+(13*(month+1))/5+day-1)%7;
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}
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if(year==1582&&month>10)
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{
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w -=3;
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}
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switch(w)
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{
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case 1:
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printf("星期一\n");break;
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case 2:
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printf("星期二\n");break;
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case 3:
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printf("星期三\n");break;
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case 4:
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printf("星期四\n");break;
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case 5:
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printf("星期五\n");break;
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case 6:
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printf("星期六\n");break;
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case 0:
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printf("星期日\n");
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}
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}
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}
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return ;
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}
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void add(long long int year)//判断闰年
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{
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printf("\n\n\n\n\n\n\n\n\n\n\n\n\n");
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printf(" **************************************\n");
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printf(" * *\n");
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printf(" * *\n");
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printf(" * 欢迎使用万年历！！ *\n");
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printf(" * *\n");
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printf(" * *\n");
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printf(" **************************************\n");
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printf(" *请输入年份：");
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scanf("%lld",&year);
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if((year%4==0&&year%100!=0)||(year%100==0))
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printf(" 闰年");
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else
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printf(" 平年");
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return ;
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}
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void abb(long long int year,int month,int day)//日历
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{
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int i,j,n,leap;
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printf("\n\n\n\n\n\n\n\n\n\n\n\n\n");
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printf(" **************************************\n");
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printf(" * *\n");
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printf(" * *\n");
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printf(" * 欢迎使用万年历！！ *\n");
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printf(" * *\n");
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printf(" * *\n");
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printf(" **************************************\n");
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printf(" *请输入年份：");
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scanf("%lld",&year);
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printf("\n\n");
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leap=(year%4==0&&year%100!=0)||(year%100==0);
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n=((year-1)*365+ (year-1)/4-(year-1)/100+(year-1)/400+1) % 7;
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for(month=1;month<=12;month++)
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{
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switch(month)
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{
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case 1:
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day=31;
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printf("一月(%d)\t\t%lld\n",month,year);
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break;
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case 2:
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if(leap)
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day=29;
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else
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day=28;
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printf("二月(%d)\t\t%lld\n",month,year);
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break;
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case 3:
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day=31;
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printf("三月(%d)\t\t%lld\n",month,year);
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break;
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case 4:
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day=30;
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printf("四月(%d)\t\t%lld\n",month,year);
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break;
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case 5:
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day=31;
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printf("五月(%d)\t\t%lld\n",month,year);
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break;
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case 6:
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day=30;
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printf("六月(%d)\t\t%lld\n",month,year);
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break;
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case 7:
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day=31;
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printf("七月(%d)\t\t%lld\n",month,year);
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break;
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case 8:
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day=31;
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printf("八月(%d)\t\t%lld\n",month,year);
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break;
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case 9:
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day=30;
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printf("九月(%d)\t\t%lld\n",month,year);
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break;
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case 10:
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day=31;
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printf("十月(%d)\t\t%lld\n",month,year);
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break;
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case 11:
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day=30;
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printf("十一月(%d)\t\t%lld\n",month,year);
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break;
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case 12:
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day=31;
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printf("十二月(%d)\t\t%lld\n",month,year);
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break;
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}
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printf("----------------------------------------------------\n");
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printf(" SUN MON TUE WED THD FRI SAT\n");
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switch(n)
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{
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case 1:
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printf("%5c",'\40');
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break;
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case 2:
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printf("%10c",'\40');
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break;
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case 3:
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printf("%15c",'\40');
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break;
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case 4:
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printf("%20c",'\40');
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break;
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case 5:
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printf("%25c",'\40');
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break;
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case 6:
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printf("%30c",'\40');
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break;
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}
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for(i=1,j=n;i<=day;i++,j++)
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{
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printf("%5d",i);
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if(j%7==6)
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printf("\n");
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}
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n=(n+day)%7;
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printf("\n----------------------------------------------------\n");
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}
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return ;
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}
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void mean_main(long long int year,int month,int day)//菜单
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{
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int a;
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while(1)
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{
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printf("\n\n\n\n\n\n\n\n\n\n\n\n\n");
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printf(" **************************************\n");
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printf(" * 欢迎使用万年历！！ *\n");
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printf(" * 1.查阅闰年 *\n");
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printf(" * 2.输出日历 *\n");
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printf(" * 3.查询对应的日期 *\n");
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printf(" * 4.退出系统 *\n");
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printf(" **************************************\n");
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printf(" *请输入（1~4）:");
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do
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{
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scanf("%d",&a);
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if(a>0&&a<5)
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break;
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else
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printf(" *请重新输入：");
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}while(1);
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system("cls");
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switch(a)
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{
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case 1:add(year);break;
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case 2:abb(year,month,day);break;
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case 3:arr(year,month,day);break;
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case 4:break;
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}
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}
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return ;
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}
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int main()
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{
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long long int year;
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int month,day;
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mean_main(year,month,day);
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}
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