ios学习笔记－－（c基础题8.万年历小系统）

万年历小系统制作

//
//  main.m
//  perpetualCalendar
//
//  Created by dq on 15/7/26.
//  Copyright (c) 2015年 dq. All rights reserved.
//

#import <Foundation/Foundation.h>
void query(int year,int month)
{
int century,result,num=1;
int day=1;
int a[2][13]={{0,31,29,31,30,31,30,31,31,30,31,30,31},{0,31,28,31,30,31,30,31,31,30,31,30,31}};
int year1=year,month1=month;
century = year/100;
year =year%100;
if(month<3)
{
month +=12;
year -=1;
}
result = (year +year/4+century/4-2*century+26*(month+1)/10+day-1)%7;
if(result==0)
{
result=7;
}
// printf("%d\n",result);
for (int j=1; j<=7; j++) {

printf("星期%d\t",j);

}
printf("\n");
for (int i=1; i<=6; i++) {
for (int j=1; j<=7; j++) {
if ((year1%4==0&&year1%4!=0)||year1%400==0){
if (a[0][month1]<num) {
break;
}
}
else
{
if (a[1][month1]<num) {
break;
}
}

if (j>=result||i!=1) {
printf(" %d\t\t",num++);
}
else
{
printf("\t\t");
}

}

printf("\n");

}

}

int main(int argc, const char * argv[]) {
@autoreleasepool {
int year,month;
int booll=1;
printf(" -------------------------------\n");
int option;
for (int i=0; i<2; i++) {
if (i==0) {
printf("|\t\t万年历小系统！\t\t\t\t|\n");
printf("|\t使用说明：1是打印月历\t\t\t|\n");
printf("|\t使用说明：0退出\t\t\t\t|\n");
}
else
{
printf("|\t\t\t\t\t\t\t\t|\n");
}
}
printf(" -------------------------------\n");

while (1) {

printf(" 请输入你查询的信息：");
scanf("%d",&option);
switch (option) {
case 1:
printf("请输入某年某月（例如：2015.12）");
scanf("%d.%d",&year,&month);
query(year,month);
break;
case 0:
booll=0;
break;

default:
printf("输入错误，请重新输入");
break;
}
if (booll==0) {
break;
}
printf(" -------------------------------\n");
}
printf("\t\t成功退出系统");

}
return 0;
}