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【C】 C 语言写的日历

作者:Dezai.CN / 发布于2012/5/14/ 629

C 语言写的日历

#include <stdio.h></div>
<div>int main(void)
{
char *weeks[7]={"星期日","星期一","星期二","星期三","星期四","星期五","星期六"};
char *ss[7]={"日","一","二","三","四","五","六"};

int year;
int month;
int day;
int week;
int monthday;
int allday;

allday=0;

int i;
int k;
int h;

h=0;

printf("输入查询时期：");

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


for(i=1900;i<year;i++)
{
 allday=allday+365;
 if((i%4==0)&&(i%100!=0)||(i%400==0))
 {
 allday++;
 }
 
}

switch (month)
{
case 1:
 monthday=31;
break;
case 2:allday+=31;
monthday=28;
break;
case 3:allday+=31+28;
monthday=31;
break;
case 4:allday+=31+28+31;
monthday=30;
break;
case 5:allday+=31+28+31+30;
monthday=31;
break;
case 6:allday+=31+28+31+30+31;
monthday=30;
break;
case 7:allday+=31+28+31+30+31+30;
monthday=31;
break;
case 8:allday+=31+28+31+30+31+30+31;
monthday=31;
break;
case 9:allday+=31+28+31+30+31+30+31+31;
monthday=30;
break;
case 10:allday+=31+28+31+30+31+30+31+31+30;
monthday=31;
break;
case 11:allday+=31+28+31+30+31+30+31+31+30+31;
monthday=30;
break;
case 12:allday+=31+28+31+30+31+30+31+31+30+31+30;
monthday=31;
break;

}
if((year%4==0)&&(year%100!=0)||(year%400==0))
{
 if(month==2) monthday=29;</div>
<div> if(month>2) allday++;
}

int echo=(allday+1)%7; //每月1号，是星期几

allday+=day;

week=allday%7; //查询星期，是星期几

printf("\n距1900年1月1日: %d天 ",allday-1);

if((year%4==0)&&(year%100!=0)||(year%400==0))
 printf("闰年 \n");
else
 printf("平年 \n");

printf("\n%d年 %d月 %d 日 %s\n\n",year,month,day,weeks[week]);


for(i=0;i<7;i++)
{
 printf("%s\t",ss[i]);
 
}

printf("\n\n");

for(k=0;k<echo;k++)
{ 
 printf(" \t");
 h++;
} 

int d;

for(d=1;d<=monthday;d++)
{
 printf("%d\t",d);
 h++;
 if(h>6)
 {
 h=0;
 printf("\n");
 }
 
}


return 0;
}

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