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614066175@qq.com 6 years ago
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日历.cpp
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#include<stdio.h>
#include<windows.h>
/*判断是否为闰年*/
int R(int year)
{
if ((year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0))
return 1;
else
return 0;
}
/*判断该月多少天*/
int max_day(int year, int month)
{
int day[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
if (R(year) == 1)
day[1] = 29;
return day[month - 1];
}
/*判断该天是这一年第几天*/
int total_day(int year, int month, int day)
{
int sum = 0;
int i = 1;
for (i = 1; i < month; i++)
sum += max_day(year, i);
sum += day;
return sum;
}
/*判断该天是星期几*/
int weekday(int year, int month, int day)
{
int count;
count = (year - 1) + (year - 1) / 4 - (year - 1) / 100 + (year - 1) / 400 + total_day(year, month, day);
count %= 7;
return count;
}
/*显示该天是星期几*/
void display_week(int year, int month, int day)
{
int count;
count = weekday(year, month, day);
switch (count)
{
case 0:printf("\t%d年%d月%d日是星期天\n", year, month, day); break;
case 1:printf("\t%d年%d月%d日是星期一\n", year, month, day); break;
case 2:printf("\t%d年%d月%d日是星期二\n", year, month, day); break;
case 3:printf("\t%d年%d月%d日是星期三\n", year, month, day); break;
case 4:printf("\t%d年%d月%d日是星期四\n", year, month, day); break;
case 5:printf("\t%d年%d月%d日是星期五\n", year, month, day); break;
case 6:printf("\t%d年%d月%d日是星期六\n", year, month, day); break;
}
}
/*展示月份表格*/
void display_month(int year, int month, int day)
{
int i = 0, j = 1;
int week, max;
week = weekday(year, month, 1);
max = max_day(year, month);
printf("\n\t\t\t **%d年%d月**",year,month);
printf("\n");
printf("\n\t日\t一\t二\t三\t四\t五\t六\n\n");
for (i = 0; i < week; i++)
printf("\t");
for (j = 1; j <= max; j++)
{
printf("\t%d",j);
if (i % 7 == 6)
printf("\n\n");
i++;
}
printf("\n\n");
}
/*判断是否为公历节日*/
void display_festival(int year,int month,int day)
{
int ff;
if(month==1&&day==1)ff=22;
else if(month==2&&day==14)ff=1;
else if(month==3&&day==8)ff=2;
else if(month==3&&day==12)ff=3;
else if(month==3&&day==15)ff=4;
else if(month==4&&day==1)ff=5;
else if(month==5&&day==1)ff=6;
else if(month==5&&day==12)ff=7;
else if(month==5&&day==31)ff=8;
else if(month==6&&day==1)ff=9;
else if(month==6&&day==5)ff=10;
else if(month==6&&day==6)ff=11;
else if(month==6&&day==26)ff=12;
else if(month==7&&day==1)ff=13;
else if(month==7&&day==7)ff=14;
else if(month==8&&day==1)ff=15;
else if(month==9&&day==10)ff=16;
else if(month==9&&day==20)ff=17;
else if(month==10&&day==1)ff=18;
else if(month==11&&day==8)ff=19;
else if(month==12&&day==1)ff=20;
else if(month==12&&day==25)ff=21;
else ff=0;
switch(ff)
{
case 22:printf("\t%d年%d月%d日是元旦节\n", year, month, day); break;
case 1:printf("\t%d年%d月%d日是情人节\n", year, month, day); break;
case 2:printf("\t%d年%d月%d日是国际妇女节 \n", year, month, day); break;
case 3:printf("\t%d年%d月%d日是中国植树节\n", year, month, day); break;
case 4:printf("\t%d年%d月%d日是世界消费者权益日\n", year, month, day); break;
case 5:printf("\t%d年%d月%d日是愚人节 \n", year, month, day); break;
case 6:printf("\t%d年%d月%d日是劳动节\n", year, month, day); break;
case 7:printf("\t%d年%d月%d日是国际护士节\n", year, month, day); break;
case 8:printf("\t%d年%d月%d日是世界无烟日\n", year, month, day); break;
case 9:printf("\t%d年%d月%d日是国际儿童节 \n", year, month, day); break;
case 10:printf("\t%d年%d月%d日是世界环境日\n", year, month, day); break;
case 11:printf("\t%d年%d月%d日是世界爱眼日\n", year, month, day); break;
case 12:printf("\t%d年%d月%d日是国际禁毒日\n", year, month, day); break;
case 13:printf("\t%d年%d月%d日是中国共产党的生日\n", year, month, day); break;
case 14:printf("\t%d年%d月%d日是中国抗日战争纪念日\n", year, month, day); break;
case 15:printf("\t%d年%d月%d日是中国人民解放军建军纪念日\n", year, month, day); break;
case 16:printf("\t%d年%d月%d日是中国教师节\n", year, month, day); break;
case 17:printf("\t%d年%d月%d日是全国爱牙日\n", year, month, day); break;
case 18:printf("\t%d年%d月%d日是中华人民共和国国庆节\n", year, month, day); break;
case 19:printf("\t%d年%d月%d日是记者节\n", year, month, day); break;
case 20:printf("\t%d年%d月%d日是全国艾滋病日\n", year, month, day); break;
case 21:printf("\t%d年%d月%d日是圣诞节\n", year, month, day); break;
default:printf("\t今天不是啥节日");break;
}
}
/*判断是否这个日子已经过去*/
int rrr(int year, int month, int day)
{
int qqq,www,eee,x;
printf("今天是哪一天:");
scanf("%d%d%d",&qqq,&www,&eee);
if(qqq>year)
x=1;
else if(qqq==year&&www>month)
x=1;
else if(qqq==year&&www==month&&eee>=day)
x=1;
else x=0;
switch(x)
{
case 0:printf("这一天是过去的一天\n") ;break;
case 1:printf("这一天是未过去的一天\n");break;
}
return 0;
}
/*主函数*/
int main()
{
int year, month, day;
printf("请输入你要查询的日期(yyyy-mm-dd)；");
scanf("%d%d%d", &year, &month, &day);
if (month<1||month>12||day<1||day>31)
{
printf("你输错了");
return -1;
}
printf(" %d年%d月%d日是这一年的第%d天\n", year, month, day, total_day(year, month, day));
display_week(year, month, day);
display_festival(year,month,day);
display_month(year, month, day);
rrr(year, month, day);
system("pause");
return 0;
}

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