148 lines
3.4 KiB
C++
148 lines
3.4 KiB
C++
#include<stdio.h>
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#include<stdlib.h>
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int runYear(int n); //日历不会写痛苦
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int RunYear(int year);
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void printMonth(int year, int month);
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int dayOfWeek(int year, int month, int day);
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void printMonth(int year, int month)
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{
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int daysInMonth[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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int startDay = dayOfWeek(year, month, 1);
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int days = daysInMonth[month - 1];
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if (month == 2 && RunYear(year))
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{
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days = 29;
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}
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else if (year == 1582 && month == 10)
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{
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days = 21;
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}
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printf("\n%d年%d月\n", year, month);
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printf("日 一 二 三 四 五 六\n");
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// 打印空格直到第一天
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for (int i = 0; i < startDay; i++)
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{
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printf(" ");
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}
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// 打印日期
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for (int day = 1; day <= days; day++)
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{
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printf("%2d ", day);
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if ((day + startDay) % 7 == 0)
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{
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printf("\n");
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}
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}
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printf("\n");
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}
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int dayOfWeek(int year, int month, int day)
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{
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if (month < 3)
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{
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month += 12;
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year -= 1;
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}
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int k = year % 100;
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int j = year / 100;
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int h = day + 13 * (month + 1) / 5 + k + k / 4 + j / 4 + 5 * j; //zeller公式
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h = h % 7;
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return 0;
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}
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int RunYear(int year)
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{
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return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
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}
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int runYear(int n)
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{
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printf("请输入年份\n");
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scanf("%d",&n);
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if(n%4==0&&n%100!=0||n%400==0)
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{
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printf("是闰年\n");
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}
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else
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{
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printf("不是闰年\n");
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}
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}
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int main()
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{
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int choice,n,year,month,day;
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printf("1.查询对应的年份的日历\n");
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printf("2.查询对应日期的星期\n");
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printf("3.查询对应年份是否为闰年\n");
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printf("4.退出\n");
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printf("请选择序号=");
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scanf("%d",&choice);
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do
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{
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switch(choice)
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{
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case 1:
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{
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int year;
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printf("请输入年份：");
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scanf("%d", &year);
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// 打印全年的日历
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for (int month = 1; month <= 12; month++)
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{
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printMonth(year, month);
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}
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return 0;
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}
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case 2:
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{
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printf("请输日期（年 月 日）\n");
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scanf("%d %d %d",&year,&month,&day);
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int runYear(year);
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if(0)
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{
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if (month < 3) //平年
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{
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month += 12;
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year -= 1;
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}
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int c = year % 100;
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int y = year / 100;
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int h = day + 13 * (month + 1) / 5 + c + c / 4 + y / 4 + 5 * y; //zeller公式
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h = h % 7;
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printf("星期%d",h);
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}
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else
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{
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if (month < 3) //润年
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{
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month += 12;
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year -= 1;
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}
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int c = year % 100;
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int y = year / 100;
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int h = day-1 + 13 * (month + 1) / 5 + c + c / 4 + y / 4 + 5 * y; //zeller公式
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h = h % 7;
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printf("星期%d",h);
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}
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return 0;
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}
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case 3:
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{
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runYear(n);
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}
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case 4:
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return 0;
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default:
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{
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printf("输入错误！请重新选择\n");
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printf("请选择序号=");
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scanf("%d",&choice);
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}
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}
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} while(choice);
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return 0;
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}
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