c语言课程设计万年历系统

1、#include<stdio.h>#include<time.h>#include<math.h>#include<windows.h>#include<conio.h>#define KEYNUMUp0x48#define KEYNUMDown 0x50#define KEYNUMLeft0x4b#define KEYNUMRight 0x4d#define KEYNUMPageUp 0x49#define KEYNUMPageDown 0x51int year,month,day; / 全局变量记录时间int daysOfMont

2、h212=31,28,31,30,31,30,31,31,30,31,30,31,31,29,31,30,31,30,31,31,30,31, 30,31;int runYear(int year) / 判断是否是闰年int flag=0;if(year0=0|(year%4=0&&year0!=0)flag=1;return flag;struct tm* getDay()/ 从系统取得当前时间time_t timer;struct tm* gmt;time(&timer);gmt=localtime(&timer);return gmt;int dayExa

3、me(int year,int month,int day)/ 检查日期是否正确if(year<0|month<1|month>12|day<1|day>31)return 0;switch(month)case 1:case 3:case 5:case 7:case 8:case 10:case 12:if(day>31)return 0;break;case 4:case 6:case 9:case 11:if(day>30)return 0;break;default:if(runYear(year)&&day>29)ret

4、urn 0;else if(runYear(year)=0&&day>28)return 0;return 1;int getwDay(int year,int month,int day)/ 取得星期int nday=0,nDay,i,w;for(i=0;i<month-1;i+)nday+=daysOfMonthrunYear(year)i;nday+=day;nDay=year-1+(year-1)/4-(year-1)/100+(year-1)/400+nday;w=nDay%7;return w;void printCalender(int year,in

5、t month,int day);void setDay(int &year,int &month,int &day)/ 调节日期printf("%c:上一年0下一年 n",24,25);printf("%c:上个月%c下个月 n",27,26);printf("PageUp: 昨天 PageDown: 明天 n");printf(" 其他：返回主菜单 n");char k;getch();k=getch();switch(k) / 通过方向键和 PageUp 、 PageDown 键来调整

6、日期case KEYNUMUp: year-;/ 若错误，if(dayExame(year,month,day)=0)year+; printf("%c",7); / 检查日期的合法性， 保持日期不变，并警告system("cls");printCalender(year,month,day);setDay(year,month,day);break; case KEYNUMDown: year+;if(dayExame(year,month,day)=0)year-;printf("%c",7);system("cls&q

7、uot;);printCalender(year,month,day);setDay(year,month,day);break; case KEYNUMLeft: month-;if(dayExame(year,month,day)=0)month+;printf("%c",7); system("cls");printCalender(year,month,day);setDay(year,month,day);break;case KEYNUMRight: month+; if(dayExame(year,month,day)=0)month-;p

8、rintf("%c",7); system("cls");printCalender(year,month,day);setDay(year,month,day);break;case KEYNUMPageUp: day-; if(dayExame(year,month,day)=0)day+;printf("%c",7); system("cls");printCalender(year,month,day);setDay(year,month,day);break;case KEYNUMPageDown: da

9、y+; if(dayExame(year,month,day)=0)day-;printf("%c",7); system("cls");printCalender(year,month,day);setDay(year,month,day);break; default: ;void printCalender(int year,int month,int day)/ 打印月历int i;char wday74="Sun","Mon","Tue","Wed","T

10、hu","Fri","Sat"printf(printf(”4年d月 d 日n",year,month,day);*n");for(i=0;i<7;i+)printf("%5s",wdayi);printf("n");int w;int nowDay=1;w=getwDay(year,month,nowDay);/ 找到第一天的星期 int n;n=daysOfMonthrunYear(year)month-1;switch(w) / 放置第一天case 0:printf(&qu

11、ot;",nowDay);break;case 1:printf("d",nowDay);break;case 2:printf("d",nowDay);break;case 3:printf(" d",nowDay);break;case 4:printf("%d",nowDay);break;case 5:printf("0d",nowDay);break;default:printf("5dn",nowDay);nowDay+;for(i=1;i<n;i

12、+)w=getwDay(year,month,nowDay);printf("",nowDay);if(w=6) / 如果是星期六则换行打印 puts("n");nowDay+;printf("n*nn");void checkCalender()/ 查询日历system("cls");int year,month,day;printf(" 请输入你要查询的日期 (格式为年月日，如 2009 11 3) ： "); scanf("%d%d%d",&year,&

13、month,&day);while(!dayExame(year,month,day) / 如果日期输入不正确，则重新输入 printf("%c 你输入的日期错误，请重新输入 :",7); scanf("%d%d%d",&year,&month,&day);system("cls");if(runYear(year)printf("n 闰年 nn");else printf("n 平年 nn");printCalender(year,month,day);void

14、 inline backMenu()printf(" 请按任意字符键返回主菜单 :"); getch();system("cls");void mainMenu(int &year,int &month,int &day)/ 主菜单printf("*主菜单 *printf(" * 1 、日历显示 *n"); printf(" * 2 、日历查询 *n"); printf(" * 3 、修改日期 *n"); printf(" * 4 、帮助 *n&quo

15、t;);printf(" * 5 、退出 *n");printf(");char menu100;int flag=0;doint f=0;dof=0;printf("n 请输入相应数字 :");scanf("%s",menu);if(strlen(menu)>2)f=1;while(f=1);switch(*menu)case '1':system("cls"); / 清屏 printCalender(year,month,day); backMenu(); / 实现任意键返回主菜

16、单 mainMenu(year,month,day);break;case '2':system("cls"); checkCalender();backMenu(); mainMenu(year,month,day);break;case '3':system("cls");printCalender(year,month,day); setDay(year,month,day);printf(" 请按任意字符键返回主菜单 :");getch(); system("cls");ma

17、inMenu(year,month,day);break;case '4':system("cls");printf(" 在主菜单中输入相应的数字就可以完成以下功能： nn");printf("* 1 、显示今天所在月的月份 nn");printf("* 2 、输入日期，判断该年是否是闰年，并显示所在月份的月历 nn"); printf("* 3 、用 %c %c %c %c PageUp PageDown 进行日期的调整 nn",24,25,27,26); printf("* 4 、显示功能及操作方法 nn");printf("* 5 、退出程序 nn");backMenu();mainMenu(year,month,day);break;case '5':system("cls");printf(" 程序已退出！