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printf(" 建军节\n");

if(month==9&&day==10)

printf(" 教师节\n");

if(month==10&&day==1)

printf(" 国庆节\n");

if(month==12&&day==24)

printf(" 平安夜\n");

if(month==12&&day==25)

printf(" 圣诞节\n");

/*计算“距今几天”的模块*/

time_t rawtime; /*获取系统当前日期*/

struct tm *timeinfo;

time (&rawtime);

timeinfo=localtime (&rawtime); int d2=0;

for(j=1;j<=(1900+timeinfo->tm_year);j++)

{ if((j-1)%4 == 0 && (j-1)%100 != 0 || (j-1)%400 == 0)

d2=d2+1; }

e2=365*((1900+timeinfo->tm_year)-1)+d2; a2=(1+timeinfo->tm_mon)-2;

for(b2=0;b2<=a2;b2++)

c2=c2+days[b2];

if((!leapyear(1900+timeinfo->tm_year))&&((1+timeinfo->tm_mon)>2))

c2--;

e2=e2+c2+(timeinfo->tm_mday);/*当前日期距离1940年1月1日的天数*/

int d1=0;

for(j=1;j<=year;j++)

{ if((j-1)%4 == 0 && (j-1)%100 != 0 || (j-1)%400 == 0)

{d1++;}

}

e1=365*(year-1)+d1; a1=month-2;

for(b1=0;b1<=a1;b1++)

c1=c1+days[b1];

if((!leapyear(year))&&(month>2))

c1--;

e1=e1+c1+day; /*输入日期距离1940年1月1日的天数*/

e=e1-e2;

printf(" 距今天还有%d天",e);

}

/*写出系统输入的限制条件*/

int s(int year,int month,int day)

{

if(year<1940||year>2040||month<1||month>12||day<1||day>day1(year,month)) /*当输入出现这些错误值的情况时*/

return 0;

else

return 1;

}

void nianli(int year) /*输出年历*/

{

int max,number,p,j,i;

printf("\n");

for(p=1;p<=12;p++)

{

j=1;

if(leapyear(year))

printf("闰年");

else

printf("平年");

printf(" %d 年 %d 月\n\n",year,p);

max=day1(year,p);

number=week1(year,p,1);

printf(" %2s%2s%2s%2s%2s%2s%2s\n"," 星期日 "," 星期一 "," 星期二 "," 星期三 "," 星期四 "," 星期五 "," 星期六 ");/*按照间隔打印日历*/

for(i=0;i

{

printf(" ");

}

while(j<=max)

{

printf("%8d",j);

if(i%7==6)

{

printf("\n");

}

i++;

j++;

}

printf("\n\n");

}

}

void yueli(int year,int month) /*输出月历*/

{

if(leapyear(year))

printf("闰年");

else printf("平年");

printf(" %d 年 %d 月\n\n",year,month);

x2(year,month);

}

void rili(int year,int month,int day) /*输出日历*/

{

printf("\n");

x3(year,month,day);

}

void main()

{

int year,month,day,a,b;

/*显示系统当前日期*/

loop:

//获取系统时间函数

time_t rawtime; /*调用系统日期，包括年月日*/

struct tm *timeinfo;

time (&rawtime);

timeinfo=localtime (&rawtime); /*万年历封面的制作*/

printf("\n\n\n 现在是:%d年%d月%d日,1900+timeinfo->tm_year,1+timeinfo->tm_mon,timeinfo->tm_mday");

printf(" \n");

printf(" * * * * * * * * * * * * * * * * * * * \n");

printf(" * * \n");

printf(" * 欢迎进入万年历查询系统 * \n");

printf(" * * \n");

printf(" * * * * * * * * * * * * * * * * * * * \n\n\n");

printf(" 1 年历 2 月历 3 日历 4 退出\n");

printf(" \n");

printf(" 请输入您的选择<1~4>,按回车键确定:");

scanf("%d",&b);

switch(b)

{

case 1:

printf("\n请输入您要查的年份,按回车键确定: "); scanf("%d",&year);

a=s(year,1,1);

if(a==0)

{

printf("错误!请您重新输入。\n"); break;

}

nianli(year);

break;

case 2:

printf("\n请输入您要查的年和月,年月之间用空格隔开，按回车键确定: ");

scanf("%d%d",&year,&month); a=s(year,month,1);

if(a==0)

{

printf("错误!请您重新输入。\n");

break;

}

yueli(year,month);

break;

case 3:

printf("\n请输入您要查的年月日,年月日之间用空格隔开，按回车键确定: ");

scanf("%d%d%d",&year,&month,&day);

a=s(year,month,day);

if(a==0)

{

printf("错误!请您重新输入。\n"); break;

}

rili(year,month,day);

break;

case 4:

exit(0);

default:

printf("错误!请您重新输入。\n\n");

}

printf("\n");

printf(" 按回车键继续");

getch();

system("cls");

goto loop; }