first 666

课设代码.c

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+#include<stdio.h>
+#include<stdlib.h> 
+int Year(int A)
+{
+int i,s=0,day;
+for (i=1;i<=A-1;i++)
+{   
+if (i%4==0 && i%100!=0 || i%400==0)
+day=366;
+else
+day=365;
+s=s+day;}
+return s;
+}
+int Month(int B,int C)
+{
+int tian;
+switch(C)
+{
+case 1:   tian=31;break;
+case 2:
+if (B%4==0 && B%100!=0 || B%400==0)
+tian=29;
+else
+tian=28;break;
+case 3:   tian=31;break;
+case 4:   tian=30;break;
+case 5:   tian=31;break;
+case 6:   tian=30;break;
+case 7:   tian=31;break;
+case 8:   tian=31;break;
+case 9:   tian=30;break;
+case 10:  tian=31;break;
+case 11:  tian=30;break;
+case 12:  tian=31;break;
+}
+return tian;
+}
+void Day(int E)
+{
+switch(E)
+{
+case 1:                  printf("该日是星期一\n");break;
+case 2:                  printf("该日是星期二\n");break;
+case 3:                  printf("该日是星期三\n");break;
+case 4:                  printf("该日是星期四\n");break;
+case 5:                  printf("该日是星期五\n");break;
+case 6:                  printf("该日是星期六\n");break;
+case 7:                  printf("该日是星期日\n");break;
+}
+}
+void Holiday(int F,int G)
+{
+if (F==1&&G==1||F==5&&G==1||F==10&&G==1||F==3&&G==8||F==3&&G==12||F==5&&G==4||F==6&&G==1||F==7&&G==1||F==8&&G==1||F==9&&G==10)
+printf ("当天为公历节日\n");
+else 
+printf ("当天不是公历节日");
+}
+void main()
+{
+system("color 0E");
+int year,d,g,j,Z,di,did,m,n,D,x,y,z,h,k,l,jian,Z1,hui;
+printf("**********************************欢迎您的使用**********************************\n");
+printf("本程序有如下功能：\n\n");
+printf("1.输入一个年份，输出是在屏幕上显示该年的日历。假定输入年份在1940-2040之间。\n\n");
+printf("2.输入年月，输出该月的日历。\n\n") ;
+printf("3.输入年月日，输出距今天还有多少天，星期几，是否是公历节日。\n");
+printf("\n");
+hui=1;
+while(hui==1)
+{
+do
+{
+printf("请输入您要使用的功能序号:");
+scanf("%d",&g);
+printf("\n");
+switch(g)
+{
+case 1:
+{	
+printf ("输入你所查寻日历的年份:");
+scanf ("%d",&year);
+Z=Year(year);
+for (j=1;j<=12;j++)
+{
+d=Z%7;   /*d表示今年第一天是星期几,余数为0则是星期日*/ 
+printf("==================================\n");
+printf ("              %d月份\n",j);
+printf ("周日 周一 周二 周三 周四 周五 周六\n");
+if (d<6)
+for (di=1;di<=d+1;di++)
+printf("     ");
+for (did=1;did<=Month(year,j);did++)
+{
+printf ("%d",did);
+if (did<10)
+printf ("    ");
+else
+printf ("   ");
+if (did==6-d || (did-6+d)%7==0 || did==Month(year,j))
+printf ("\n");
+}
+Z=Z+Month(year,j);
+}
+break;
+}
+case 2:
+{
+printf ("输入所查日历的年月");
+scanf ("%d%d",&m,&n);
+Z=Year(m);
+for (j=1;j<=n-1;j++)
+{
+D=Month(m,j);
+Z=Z+D;
+}
+d=Z%7;
+printf("==================================\n\n");
+printf("              %d年\n\n",m); 
+printf ("              %d月份\n",j);
+printf ("周日 周一 周二 周三 周四 周五 周六\n");
+if (d<6)
+for (di=1;di<=d+1;di++)
+printf("     ");
+for (did=1;did<=Month(year,j);did++)
+{
+printf ("%d",did);
+if (did<10)
+printf ("    ");
+else
+printf ("   ");
+if (did==6-d || (did-6+d)%7==0 || did==Month(year,j))
+printf ("\n");
+}
+break;
+}
+case 3:
+{
+printf ("输入查询年月日");
+scanf ("%d%d%d",&x,&y,&z);
+printf("\n") ;
+Z=Year(x);
+for (j=1;j<=y-1;j++)
+{
+D=Month(x,j);
+Z=Z+D;
+}
+Z=Z+z;
+printf ("输入当前年月日");
+scanf ("%d%d%d",&h,&k,&l);
+printf("\n");
+Z1=Year(h);
+for (j=1;j<=k-1;j++)
+{
+D=Month(k,j);
+Z1=Z1+D;
+}
+Z1=Z1+l;
+jian=Z-Z1-1;
+printf ("输入日期距今天还有%d天\n",jian);
+d=Z%7;
+Day(d);
+printf("\n");
+Holiday(y,z);
+break;
+}
+default:
+{
+printf("亲，没有此功能噢！\n\n");
+printf("请您重新输入所选择的功能！\n\n") ;
+break;
+}
+}
+}while(g!=1&&g!=2&&g!=3);
+printf("\n");
+printf("继续使用，请按1；\n\n退出程序，请按2。\n\n请输入您的选择：");
+scanf("%d",&hui); 
+printf("\n"); 
+}
+}