first commit

源代码.c

@@ -0,0 +1,133 @@
+#include <stdio.h>
+int how(int A)//计算公元1月1号到输入年份之前的总天数的函数
+{
+	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 where(int B,int C)//判断每月天数
+{
+	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 why(int E)//判断输入日期是星期几
+{
+	switch(E)
+	{
+	case 1:                  printf("该日星期一\n");break;
+	case 2:                  printf("该日星期二\n");break;
+	case 3:                  printf("该日星期三\n");break;
+	case 4:                  printf("该日星期四\n");break;
+	case 5:                  printf("该日星期五\n");break;
+	case 6:                  printf("该日星期六\n");break;
+	case 7:                  printf("该日星期日\n");break;
+	}
+}
+void when(int F,int G)//判断日期是否为节日
+{
+	if (F==1 && G==1 || F==5 && G==1 || F==10 && G==1|| F==3 && G==8 || F==6 && G==1 || F==9 && G==10)
+		printf ("当天为法定节日");
+	else
+		printf ("当天不是法定节日");
+}
+
+void main()
+{	int year,d,j,Z,di,did,m,n,D,x,y,z,h,k,l,jian,Z1;//d代表1月1号是星期几，Z代表总天数；
+	printf ("欢迎来到日历查询系统!\n");
+	printf ("输入你所查寻日历的年份:");
+	scanf ("%d",&year);
+	Z=how(year);
+	for (j=1;j<=12;j++)
+	{
+		d=Z%7;
+		printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n");
+		printf ("         %d月份\n",j);
+		printf ("sun mon tue wed thu fri sat\n");
+		if (d<6)
+			for (di=1;di<=d+1;di++)
+				printf("    ");
+		for (did=1;did<=where(year,j);did++)
+		{
+			printf ("%d",did);                                         //注意空格和换行
+			if (did<10)
+				printf ("   ");
+			else
+				printf ("  ");
+			if (did==6-d || (did-6+d)%7==0 || did==where(year,j))
+				printf ("\n");
+		}
+		Z=Z+where(year,j);                                   //计算下一个月的1月一号是星期几
+	}
+	printf ("输入所查日历的年月");
+	scanf ("%d%d",&m,&n);
+	Z=how(m);
+	for (j=1;j<=n-1;j++)
+	{
+		D=where(m,j);
+		Z=Z+D;
+	}
+	d=Z%7;
+	printf("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n");
+	printf ("         %d月份\n",j);
+	printf ("sun mon tue wed thu fri sat\n");
+	if (d<6)
+		for (di=1;di<=d+1;di++)
+			printf("    ");
+	for (did=1;did<=where(year,j);did++)
+	{
+		printf ("%d",did);
+		if (did<10)                                         //注意空格和换行
+			printf ("   ");
+		else
+			printf ("  ");
+		if (did==6-d || (did-6+d)%7==0 || did==where(year,j))
+			printf ("\n");
+	}
+	printf ("输入年月日");
+	scanf ("%d%d%d",&x,&y,&z);
+	Z=how(x);
+	for (j=1;j<=y-1;j++)
+	{
+		D=where(x,j);
+		Z=Z+D;
+	}
+	Z=Z+z;
+	printf ("输入当前年月日");
+	scanf ("%d%d%d",&h,&k,&l);               //Z1为当前年月日的总天数
+	Z1=how(h);
+	for (j=1;j<=k-1;j++)
+	{
+		D=where(k,j);
+		Z1=Z1+D;
+	}
+	Z1=Z1+l;
+	jian=Z1-Z;
+	printf ("输入日期距今有%d天\n",jian);
+	d=Z%7;
+	why(d);
+	when(y,z);
+}