java控制台万年历2

package ca;


public class CalendarModelA {
private int year;
private int month;
public void TestCalendarModelA(){}
public void TestCalendarModelA(int year, int month){  
this.month=month;
this.year=year;
}

/**
* 用来打印万年历样式
*/
public void showResult(){

int days = this.getDaysOfMonth(this.month); //当月的天数
int weekday = this.getWeekDay(); //当月1日星期几

System.out.println("日\t一\t二\t三\t四\t五\t六");
System.out.println("----------------------------------------------------");
//打印出1号之前的日期空格
for(int day=1; day<=weekday;day++){
System.out.print("\t");
}
//每周7天换行
for(int day=1+weekday;day<=days+weekday;day++){
System.out.print(day-weekday+"\t");
if(day%7==0)
{
System.out.println();
}
}
}
//获得当月的天数
private int getDaysOfMonth(int month){
int num=0;
switch(month){
case 1:case 3:case 5:case 7:case 8:case 10:case 12:
num=31; break;
case 4: case 6: case 9: case 11:
num=30; break;
case 2:
num=this.isLeapYear(year)?29:28; break;
default:
System.out.println("Invalid month.");break;
}
return num;
}

//计算当月1日星期几
private int getWeekDay()
{
return this.getDays()%7+1;
}

//获取总的天数，用（总的天数%7 ）+1 =当前的月的1好的星期数
private int getDays()
{
int totalDays = 0;
//求出之前所有年的天数之和
for(int counter=1; counter<year;counter++)
{
totalDays += (isLeapYear(counter))?366:365;
}
//求出本年度本月份之前各个月份的天数之和
for(int counter=1; counter<month;counter++)
{
totalDays += getDaysOfMonth(counter);
}
return totalDays;
}

//判断是否是瑞年
private boolean isLeapYear(int year){
if((year%4==0) && (year%100!=0) ||(year%400==0)){
return true;
}else{ 
return false;
}
}





public int getYear() {
return year;
}
public void setYear(int year) {
this.year = year;
}
public int getMonth() {
return month;
}
public void setMonth(int month) {
this.month = month;
}

}

package ca;
import java.util.Scanner;
public class TestCalendarModelA {



public static void main(String args[]) {
CalendarModelA a= new CalendarModelA();
Scanner s=new Scanner(System.in);
System.out.println("请输入年份：");
a.setYear(s.nextInt());
System.out.println("请输入月份：");
a.setMonth(s.nextInt());

a.showResult();


}


}

package ca;


public class Test {


/**
* @param args
* 2014年4月份为例，4月共有30天，1号是周二。
*/
public static void main(String[] args) {
System.out.println("日\t一\t二\t三\t四\t五\t六");
System.out.println("----------------------------------------------------");
for(int i=1; i<=2;i++){
System.out.print("\t");
}
for(int i=1+2;i<=30+2;i++){

System.out.print(i-2+"\t");
if(i%7==0)
{
System.out.println();
}
}


}


}