package homework2;
/*
* 用户输入年月,打印该月份万年历
*
*/
import java.util.Calendar;
import java.util.Scanner;
import org.omg.CORBA.INTERNAL;
public class Calender {
public static void main(String[] args) {
Scanner s1=new Scanner(System.in);
System.out.println("请输入年份:");
int year=s1.nextInt();
System.out.println("请输入月份:");
int month=s1.nextInt();
int days=0;
//计算每个月的天数
switch(month){
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
days=31;
break;
case 4:
case 6:
case 9:
case 11:
days=30;
break;
case 2:
if((year%4==0&&year%100!=0)||year%400==0){
days=29;
}else{
days=28;
}
break;
default :
System.out.println("请输入正确的月份!");
}
Calendar c1=Calendar.getInstance();
c1.set(Calendar.YEAR, year);
c1.set(Calendar.MONTH, month-1);
c1.set(Calendar.DAY_OF_MONTH, 1);//设定该月的一号
int week=c1.get(Calendar.DAY_OF_WEEK);//求该月一号是周几
int count=0;
System.out.println("周日\t周一\t周二\t周三\t周四\t周五\t周六");
//打印空格
for(int i=0;i<week-1;i++){
count++;
System.out.print("\t");
}
//打印天数
for(int day=1;day<=days;day++){
count++;
System.out.print(day+"\t");
if(count%7==0){
System.out.println();
}
}
}
}
/*
* 用户输入年月,打印该月份万年历
*
* 输入任意年月,打印万年历 1.输入年和月 2.获取该月有多少天
3.判断该月的一号是周几 4.打印空格 5.打印日期
import java.util.Calendar;
import java.util.Scanner;
import org.omg.CORBA.INTERNAL;
public class Calender {
public static void main(String[] args) {
Scanner s1=new Scanner(System.in);
System.out.println("请输入年份:");
int year=s1.nextInt();
System.out.println("请输入月份:");
int month=s1.nextInt();
int days=0;
//计算每个月的天数
switch(month){
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
days=31;
break;
case 4:
case 6:
case 9:
case 11:
days=30;
break;
case 2:
if((year%4==0&&year%100!=0)||year%400==0){
days=29;
}else{
days=28;
}
break;
default :
System.out.println("请输入正确的月份!");
}
Calendar c1=Calendar.getInstance();
c1.set(Calendar.YEAR, year);
c1.set(Calendar.MONTH, month-1);
c1.set(Calendar.DAY_OF_MONTH, 1);//设定该月的一号
int week=c1.get(Calendar.DAY_OF_WEEK);//求该月一号是周几
int count=0;
System.out.println("周日\t周一\t周二\t周三\t周四\t周五\t周六");
//打印空格
for(int i=0;i<week-1;i++){
count++;
System.out.print("\t");
}
//打印天数
for(int day=1;day<=days;day++){
count++;
System.out.print(day+"\t");
if(count%7==0){
System.out.println();
}
}
}
}