import java.util.*;
public class Example3223 {
public static void main(String[] args) throws Exception{
Scanner S1=new Scanner(System.in);
System.out.println("请输入你想知道月历的年数（格式：yyyy）：");
int year=S1.nextInt();
if(year<1){
System.out.println("输入的年份不能小于1！");
return;
}
System.out.println("请输入你想知道月历的月数（格式：mm）：");
int month=S1.nextInt();
if(month<1||month>12){
System.out.println("输入的月份不能小于1和大于12！");
return;
}
System.out.println("这是"+year+"年"+month+"月的月历：");
System.out.println("***********************************************************");
System.out.println("日\t一\t二\t三\t四\t五\t六");
Example3223 y=new Example3223();
y.print(year,month);
}
public int getWeek(int year,int month){
Date date=new Date();
date.setYear(year);
date.setMonth(month);
Calendar calendar=Calendar.getInstance();
calendar.setTime(date);
return calendar.get(calendar.DAY_OF_WEEK);
}
public void print(int year,int month){
int day=getDay(year,month);
int week=getWeek(year,month);
for(int i=0;i<=week;i++){
System.out.print(" \t");
}
for(int j=1;j<=day;j++){
if((j+week)%7==0){
System.out.println();
}
System.out.print(j+"\t");
}
}
public int getDay(int year,int month){
switch(month){
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
return 31;
case 4:
case 6:
case 9:
case 11:
return 30;
case 2:
if(isLeapYear(year))return 29;
else return 28;
}
return 0;
}
public static boolean isLeapYear(int y){
return((y%4==0&&y%100!=0)||y%400==0);
}
}
qq_岁月静好与君语_0
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