VIPQ/JavaSE/day03/src/TestSwitch06.java

import java.util.Scanner;

/**
 * ClassName: TestScanner01
 *
 * @Author 爱扣钉-陈晨
 * @Create 2023/11/20 9:14
 * @Version 1.0
 */
public class TestSwitch06 {

     public static void main(String[] args) {
         //输入
         Scanner scanner = new Scanner(System.in);
         //判断验证年月日是否符合。

         //输入年月日
         System.out.println("请输入年份！");
         int year = scanner.nextInt();
         System.out.println("请输入月份！");
         int month = scanner.nextInt();
         System.out.println("请输入天数！");
         int day = scanner.nextInt();

         //计算总天数
         int days = 0;

         switch (month){
             case 12:
                 days+= 30;
             case 11:
                 days+= 31;
             case 10:
                 days+= 30;
             case 9:
                 days+= 31;
             case 8:
                 days+= 31;
             case 7:
                 days+= 30;
             case 6:
                 days+= 31;
             case 5:
                 days+= 30;
             case 4:
                 days+= 31;
             case 3:
                 //是否是闰年
                 if ( year % 4 == 0 && year %100 != 0  || year % 400 ==0  ){
                     days++;
                 }
                 days+= 28;
             case 2:
                 days+= 31;
             case 1:
                 days+= day;
         }


         System.out.println(year+"年"+month+"月"+days+"日 是当年的第"+days+"天");
     }
}