360 lines
8.5 KiB
C++
360 lines
8.5 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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/*闰年函数*/
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int isLeapYear(int year)
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{
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if (year == 1582)
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{
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return 0;
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}
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return ((year % 4 == 0 && year % 100!= 0) || (year % 400 == 0));
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}
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int getFirstDayOfYear(int year)
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{
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int d = (year - 1) * 365 + (year - 1) / 4 - (year - 1) / 100 + (year - 1) / 400;
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if (year > 1582)
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{
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if (year == 1583)
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{
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d -= 10;
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}
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}
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return d % 7;
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}
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/*计算给定日期是星期几的函数*/
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int getDayOfWeek(int year, int month, int day)
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{
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int t[] = {0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4};
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if (month < 3)
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{
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year--;
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}
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return (year + year / 4 - year / 100 + year / 400 + t[month - 1] + day) % 7;
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}
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/*单列日历函数*/
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int danlie(int year)
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{
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int c[12]={31,28,31,30,31,30,31,31,30,31,30,31};
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if((year%4==0&&year%100!=0)||year%400==0)
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c[1]++;
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int sum=(year-1)*365;
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if(year>1582)
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sum-=10;
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for(int i=1;i<year;i++)
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if((i%4==0&&i%100!=0)||i%400==0)
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sum++;
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int b=sum%7;
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int a1[7]={4,5,6,7,1,2,3};
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int fd=a1[b];
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if(year==1582)
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{
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for(int y=1;y<=12;y++)
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{
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printf("\n\n%18d-%d\n",year,y);
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printf(" Sun Mon Tue Wed Thu Fri Sat\n");
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for(int z=1;z<=fd;z++)
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printf(" ");
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for(int x=1;x<=c[y-1];x++)
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{
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if(y==10&&x==5)
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{
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x=15;
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fd=5;
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}
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if(fd==7)
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{
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fd=0;
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printf("\n");
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}
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printf("%5d",x);
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fd++;
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}
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}
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}
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else
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{
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for(int y=1;y<=12;y++)
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{
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printf("\n\n%18d-%d\n",year,y);
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printf(" Sun Mon Tue Wed Thu Fri Sat\n");
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for(int z=1;z<=fd;z++)
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printf(" ");
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for(int x=1;x<=c[y-1];x++)
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{
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if(fd==7)
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{
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fd=0;
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printf("\n");
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}
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printf("%5d",x);
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fd++;
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}
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}
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}
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printf("\n");
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}
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/*双列日历函数*/
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int shuanglie(int a)
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{
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int c[12]={31,28,31,30,31,30,31,31,30,31,30,31};
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if((a%4==0&&a%100!=0)||a%400==0)
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c[1]++;
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int sum=(a-1)*365;
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if(a>1582)
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sum-=10;
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for(int i=1;i<a;i++)
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if((i%4==0&&i%100!=0)||i%400==0)
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sum++;
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int b=sum%7;
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int a1[7]={4,5,6,7,1,2,3};
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int fd=a1[b],d1,d2;
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int m[12];
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for(int x=0;x<12;x++)
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{
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if(x==0)
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m[0]=fd;
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else if(x==1)
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m[1]=(fd+31)%7;
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else
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m[x]=(m[x-1]+c[x-1])%7;
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} //这个月第一天=上个月的第一天加上上个月的天数再除以七
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if(a==1582)
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{
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for(int y=1;y<12;y+=2)
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{
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int r=0;
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d1=m[y-1],d2=m[y];
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printf("\n\n%18d-%d %5d-%d\n",a,y,a,y+1);
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printf(" Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat\n");
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for(int z=1;z<=m[y-1];z++)
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printf(" ");
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for(int x=1;x<=c[y-1];x++)
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{
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int z,l;
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if(x==1)
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z=1;
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printf("%5d",x);
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d1++;
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if(x==c[y-1])
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for(d1;d1<7;d1++)
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printf(" ");
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if(d1==7)
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{
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d1=0;
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printf(" ");
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if(x<8) //这边是为了让第一行只有一天的情况正常输出
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{
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d2=m[y];
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for(int z=1;z<=d2;z++)
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printf(" ");
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}
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for(l=z;l<=c[y];l++)
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{
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if(y==9&&l==5)
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{
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l=15;
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d2=5;
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}
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if(l==c[y]&&r!=0)
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break;
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else if(l==c[y]&&r==0)
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r++; //让1582正常输出
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printf("%5d",l);
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d2++;
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if(d2==7)
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{
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z=l+1;
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d2=0;
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if(x==c[y-1]&&z<c[y])
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{
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printf("\n");
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printf(" ");
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for(z;z<=c[y];z++)
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printf("%5d",z);
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}
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break;
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}
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}
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printf("\n");
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}
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}
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for(int z=1;z<=m[y+1];z++)
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printf(" \n");
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}
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}
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else
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{
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for(int y=1;y<12;y+=2) //y代表月份
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{
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int r=0;
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d1=m[y-1],d2=m[y]; //d1代表单数月的第一天 d2代表双数月的第一天
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printf("\n\n%18d-%d %5d-%d\n",a,y,a,y+1);
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printf(" Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat\n");
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for(int z=1;z<=m[y-1];z++)
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printf(" ");
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for(int x=1;x<=c[y-1];x++)
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{
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int z,l;
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if(x==1)
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z=1;
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printf("%5d",x);
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d1++;
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if(x==c[y-1])
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for(d1;d1<7;d1++)
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printf(" ");
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if(x==c[y-1]&&d2!=0)
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break;
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if(d1==7)
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{
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d1=0;
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printf(" ");
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if(x<8)
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{
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d2=m[y];
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for(int z=1;z<=d2;z++)
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printf(" ");
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}
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for(l=z;l<=c[y];l++) //l为偶数月日期
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{
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printf("%5d",l);
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d2++;
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if(x==c[y-1]&&l<c[y]&&d2==7)
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{
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printf("\n");
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for(int v=z+7;v<=c[y];v++)
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printf(" %5d",v);
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printf("\n");
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break;
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}
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if(d2==7)
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{
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z=l+1;
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d2=0;
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break;
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}
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}
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printf("\n");
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}
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}
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for(int z=1;z<=m[y+1];z++)
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printf(" \n");
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}
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}
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return 0;
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}
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void ShowMenu()
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{
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printf("1.公主是想查询某天是星期几及该年是否是闰年吗?\n\n");
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printf("2.公主是想输出某一年的日历吗?（单列）\n\n");
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printf("3.公主是想输出某一年的日历吗?（双列）\n\n");
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printf("4.公主是想退出吗?\n\n");
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printf("公主请输入你的选择: ");
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}
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int main()
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{
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int choice;
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do {
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ShowMenu();
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if (scanf("%d", &choice)!= 1)
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{
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printf("你要不看看你输的是啥？重输!!\n");
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while (getchar()!= '\n');
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continue;
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}
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switch (choice)
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{
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case 1:
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{
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int year, month, day;
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printf("请输入年 月 日（用空格隔开）: ");
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if (scanf("%d %d %d", &year, &month, &day)!= 3)
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{
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printf("啊哦 输入不对哦，请重新输入正确的年、月、日。\n");
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while (getchar()!= '\n');
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continue;
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}
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int weekday = getDayOfWeek(year, month, day);
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printf("%d年%d月%d日是星期", year, month, day);
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switch (weekday)
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{
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case 0: printf("日"); break;
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case 1: printf("一"); break;
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case 2: printf("二"); break;
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case 3: printf("三"); break;
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case 4: printf("四"); break;
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case 5: printf("五"); break;
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case 6: printf("六"); break;
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}
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printf(" , ");
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if (isLeapYear(year))
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{
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printf("%d是闰年\n", year);
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}
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else
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{
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printf("%d不是闰年\n", year);
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}
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break;
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}
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case 2:
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{
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int year;
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printf("公主请输入年份: ");
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if (scanf("%d", &year)!= 1)
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{
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printf("你要不看看你输的是啥，请重输正确的年份！！\n");
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while (getchar()!= '\n');
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continue;
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}
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danlie(year);
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break;
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}
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case 3:
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{
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int a;
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printf("公主请输入年份吧: ");
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if (scanf("%d", &a)!= 1)
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{
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printf("你要不看看你输的是啥，重输正确的年份！！\n");
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while (getchar()!= '\n');
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continue;
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}
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shuanglie(a);
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break;
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}
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case 4:
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printf("退出程序\n");
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break;
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default:
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printf("你要不看看你输的是啥？重输！！\n");
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}
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} while (choice!= 4);
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return 0;
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}
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