求年积日

package SuanFa;

import java.util.Scanner;

public class Demo14 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        //年积日问题  1 3 5 7 8 10 12
        //31 28 31 30 31 30 31 31 30 31 30 31  
        fucntion();
    }
    public static void fucntion() {
        Scanner sc=new Scanner(System.in);
        //输入年月日
        System.out.println("请输入年份：");
        int year=sc.nextInt();
        System.out.println("请输入月份：");
        int month=sc.nextInt();
        System.out.println("请输入日期：");
        int day=sc.nextInt();
        //判断闰年
        if (month>2) {
            
            if (year%4==0&&year%100!=0||year%400==0) {//判断闰年条件
                day=day+1;
            }else {
                day=day;
            }
        }
        
        int _dayCount=0;//对应月份之前总天数
        int dayCount=0;//总和天数
        
        int[]monthNum={31,28,31,30,31,30,31,31,30,31,30,31};//每个月对应的时间天数
        for (int i = 0; i < month-1; i++) {
            _dayCount=_dayCount+monthNum[i];//统计月份天数和
        }
        dayCount=day+_dayCount;
        System.out.println("总天数为："+dayCount);
        
    }
}