课程设计——年历显示

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1、#include"time.h"/*包含的头文件*/#include"stdio.h"#include"math.h"#include"windows.h"#include"conio.h"inteachyeartotal(intyear,intmonth,intday);/*函数声明*/intcounterdays(intyear,intmonth,intday);intnowtime(intyear,intmonth,intday);intweek(intyear,intmonth,intday

2、);intmaxDay(intyear,intmonth);intisleap(intyear);voidwhatweek(intyear,intmonth,intday);voiddisplay(intyear,intmonth);voiddisplay2(intyear,intmonth);voiddisplay3(intyear,intmonth,intday);voidjieri(intmonth,intday);voiddisplay1(intyear);voidgetmenu();int

3、main()/*主函数*/{intyear,month,day,select;while(1){getmenu();printf("请输入相应数字:");/*菜单选择*/scanf("%d",&select);system("cls");switch(select){case1:/*当选择为1时显示年历*/printf("年历显示：输入年（如2011）:");scanf("%d",&year);if(year>0&&year<10000)/*显示年份从0-10000*/{display1(year)

4、;/*调用函数*/}elsesystem("cls");printf("输入无效,重新输入!");break;case2:/*当选择为2显示月历*/printf("月历显示：输入年月（如2011,6）:");scanf("%d,%d",&year,&month);if(year>0&&year<10000&&month>=1&&month<=12){display2(year,month);}elsesystem("cls");printf("输入无效,重新输入!");break;case3

5、:/*当选择为3时显示日期*/printf("日期显示：输入年月日(比如2011,6,23):");scanf("%d,%d,%d",&year,&month,&day);if(year>0&&year<10000&&month>=1&&month<=12&&day>=1&&day<=maxDay(year,month)){display3(year,month,day);}elsesystem("cls");printf("输入无效,重新输入!");break;case4:exit(0);de

6、fault:/*当输入其他数字时，输入无效，重新输入*/system("cls");printf("输入无效,重新输入!");}}}intisleap(intyear)/*判断是否为闰年*/{if(year%4==0&&year%100!=0

7、

8、year%400==0)return1;elsereturn0;}intmaxDay(intyear,intmonth)/*每月的天数*/{inta[]={31,28,31,30,31,30,31,31,30,31,30,31};/*每个月中的天数*/i

9、f(isleap(year))a[1]=29;/*闰年2月份有29天*/returna[month-1];}inteachyeartotal(intyear,intmonth,intday)/*判断某天是一年中的第几天*/{inti,sum=0;for(i=1;i

10、(year-1)/4-(year-1)/100+(year-1)/400+eachyeartotal(year,month,day);number=number%7;returnnumber;}voiddisplay(intyear,intmonth)/*输出年月*/{intmax,number,i,j=1;max=maxDay(year,month);number=week(year,month,1);printf("%4s%4s%4s%4s%4s%4s%4s"