|
|
#include<stdio.h>
|
|
|
char* month_str[]={"January","February","March","April","May","June","July","August","September","October","November","December"};
|
|
|
char* week[]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};
|
|
|
int LeapYear(int year) /*判断这一年是否是闰年*/
|
|
|
{
|
|
|
if((year%4==0&&year%100!=0)||(year%400==0)) //这里是判断是否是闰年的
|
|
|
return 1; //如果是闰年就返回值1
|
|
|
else
|
|
|
return 0;//不是的话返回0
|
|
|
}
|
|
|
int month_day(int year,int month) //这个函数用来判断这年的月分有多少天的
|
|
|
{
|
|
|
int mon_day[]={31,28,31,30,31,30,31,31,30,31,30,31};
|
|
|
if(LeapYear(year)&&month==2) /*判断是判断是否是闰年，如果是闰年而且这个月是2月那这个月有29天*/
|
|
|
return 29;
|
|
|
else
|
|
|
return(mon_day[month-1]);
|
|
|
}
|
|
|
int DaySearch(int year,int month,int day) /*这个函数是计算输入的日期对应的星期*/
|
|
|
{
|
|
|
int c=0;
|
|
|
float s;
|
|
|
int m;
|
|
|
for(m=1;m<month;m++)
|
|
|
c=c+month_day(year,m); //这是计算输入的月分的累计天数
|
|
|
c=c+day; //计算日期在这一年中是第几天
|
|
|
s=year-1+(int)(year-1)/4+(int)(year-1)/100+(int)(year-1)/400-40+c; /*这是计算日期对应的星期公式，这个公式可在网上查到*/
|
|
|
return ((int)s%7); //与上语句同属计算日期对应的星期
|
|
|
}
|
|
|
void festival(int month,int day)
|
|
|
{
|
|
|
if(month==1)
|
|
|
{
|
|
|
if(day==1)
|
|
|
printf("该日是元旦节\n");
|
|
|
else
|
|
|
printf("该日不是公历节日\n");
|
|
|
}
|
|
|
else if(month==3)
|
|
|
{
|
|
|
switch(day)
|
|
|
{
|
|
|
case 8: printf("该日是妇女节\n");break;
|
|
|
case 12: printf("该日是植树节\n");break;
|
|
|
default : printf("该日不是公历节日\n");break;
|
|
|
}
|
|
|
}
|
|
|
else if(month==4)
|
|
|
{
|
|
|
if(day==5)
|
|
|
printf("该日是清明节\n");
|
|
|
else
|
|
|
printf("该日不是公历节日\n");
|
|
|
}
|
|
|
else if(month==5)
|
|
|
{
|
|
|
switch(day)
|
|
|
{
|
|
|
case 1: printf("该日是劳动节\n");break;
|
|
|
case 4: printf("该日是青年节\n");break;
|
|
|
default: printf("该日不是公历节日\n");break;
|
|
|
}
|
|
|
}
|
|
|
else if(month==6)
|
|
|
{
|
|
|
if(day==1)
|
|
|
printf("该日是儿童节\n");
|
|
|
else
|
|
|
printf("该日不是公历节日\n");
|
|
|
}
|
|
|
else if(month==7)
|
|
|
{
|
|
|
if(day==1)
|
|
|
printf("该日是建党节\n");
|
|
|
else
|
|
|
printf("该日不是公历节日\n");
|
|
|
}
|
|
|
else if(month==8)
|
|
|
{
|
|
|
if(day==1)
|
|
|
printf("该日是建军节\n");
|
|
|
else
|
|
|
printf("该日不是公历节日\n");
|
|
|
}
|
|
|
else if(month==9)
|
|
|
{
|
|
|
switch(day)
|
|
|
{
|
|
|
case 3: printf("该日是抗战胜利纪念日\n");break;
|
|
|
case 10: printf("该日是教师节\n");break;
|
|
|
default: printf("该日不是公历节日\n");break;
|
|
|
}
|
|
|
}
|
|
|
else if(month==10)
|
|
|
{
|
|
|
if(day==1)
|
|
|
printf("该日是国庆节\n");
|
|
|
else
|
|
|
printf("该日不是公历节日\n");
|
|
|
}
|
|
|
else
|
|
|
printf("该日不是公历节日\n");
|
|
|
}
|
|
|
int PrintAllYear(int year)/*这个函数是用来输出全年的日历*/
|
|
|
{
|
|
|
int temp;
|
|
|
int i,j;//i为月份，j为天数
|
|
|
printf("\n\n%d 日历\n",year);
|
|
|
for(i=1;i<=12;i++)
|
|
|
{
|
|
|
printf("\n\n%s(%d)\n",month_str[i-1],i); //输出月份名称
|
|
|
printf("Sun Mon Tue Wen Thu Fri Sat \n");
|
|
|
temp=DaySearch(year,i,1);//每个月第一天对应的星期
|
|
|
for(j=1;j<=month_day(year,i)+temp;j++)
|
|
|
{
|
|
|
if(j-temp<=0)
|
|
|
printf(" ");//在每个月的1号前留出空格，而不输出0或负数
|
|
|
else if(j-temp<10)
|
|
|
printf(" %d ",j-temp);//控制第一、二行日期的格式
|
|
|
else
|
|
|
printf(" %d ",j-temp);
|
|
|
if(j%7==0)//换行
|
|
|
printf("\n");
|
|
|
}
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
int main(void)
|
|
|
{
|
|
|
int option,da;
|
|
|
char ch;
|
|
|
int year,month,day;
|
|
|
printf("欢迎使用日历系统!\n");
|
|
|
while(1)
|
|
|
{
|
|
|
printf("\n请选择服务:\n"); //用来提示选择执行功能
|
|
|
printf("\n1 查找这一天是星期几"); //选择1时，用来计算这一天是星期几
|
|
|
printf("\n2 查找这一年是否是闰年"); //计算是否这年是闰年
|
|
|
printf("\n3 输出全年的日历"); //输入全年的日历
|
|
|
printf("\n4 查询是否是公历节日");
|
|
|
scanf("%d",&option);
|
|
|
switch(option) //用来选择执行
|
|
|
{
|
|
|
case 1:
|
|
|
while(1)
|
|
|
{
|
|
|
printf("\n请输入年月日(XXXX,XX,XX):"); //提示输入
|
|
|
scanf("%d,%d,%d,%c",&year,&month,&day); //读入数据
|
|
|
da=DaySearch(year,month,day); //调用DaySearch()函数来计算是星期几
|
|
|
printf("\n%d-%d-%d is %s,你想要继续吗?(Y/N)",year,month,day,week[da]);
|
|
|
fflush(stdin); //刷新输入缓冲区
|
|
|
scanf("%c",&ch);
|
|
|
if(ch=='N'||ch=='n')
|
|
|
break;
|
|
|
}
|
|
|
break;
|
|
|
case 2: /*当为2时，进行相应运算*/
|
|
|
while(1)
|
|
|
{
|
|
|
printf("\n请输入需要查找的年份?(XXXX)");
|
|
|
scanf("%d",&year);
|
|
|
if(LeapYear(year))
|
|
|
printf("\n%d 是闰年，你想要继续吗?(Y/N)",year);
|
|
|
else
|
|
|
printf("\n%d 不是闰年，你想要继续吗(Y/N)?",year);
|
|
|
fflush(stdin);
|
|
|
scanf("%c",&ch);
|
|
|
if(ch=='N'||ch=='n')
|
|
|
break;
|
|
|
}
|
|
|
break;
|
|
|
case 3: /*当为3时运行相应的运算*/
|
|
|
while(1)
|
|
|
{
|
|
|
printf("\n请输入年份(XXXX)");
|
|
|
scanf("%d",&year);
|
|
|
PrintAllYear(year);
|
|
|
printf("\n你想要继续吗(Y/N)?");
|
|
|
fflush(stdin);
|
|
|
scanf("%c",&ch);
|
|
|
if(ch=='N'||ch=='n')
|
|
|
break;
|
|
|
}
|
|
|
break;
|
|
|
case 4:/*当为4时运行相应的运算*/
|
|
|
while(1)
|
|
|
{
|
|
|
printf("\n请输入月日(XX,XX)");
|
|
|
scanf("%d,%d",&month,&day);
|
|
|
festival(month,day);
|
|
|
printf("\n你想要继续吗(Y/N)?");
|
|
|
fflush(stdin);
|
|
|
scanf("%c",&ch);
|
|
|
if(ch=='N'||ch=='n')
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
