package gentleman.Controller;
    
    import java.time.LocalDate;
    import java.util.Scanner;
    
    public class Calendar {
        public static void main(String[] args) {
            Scanner sc = new Scanner(System.in);
            System.out.println("请输入要查询的日期(年-月-日用-分隔开)");
            String input = sc.nextLine();
            String[] str = input.split("-");
            int year = Integer.parseInt(str[0]);
            int month = Integer.parseInt(str[1]);
            int day = Integer.parseInt(str[2]);
            LocalDate date = LocalDate.of(year, month, day); //将输入的数值创建一个LocalDate对象
            String time = year + "年" + month + "月的日历";
            date = date.minusDays(day - 1);       //不论输入的是几号，总是从第一天算起
            int value = date.getDayOfWeek().getValue();   //周一到周日对应1-7
            System.out.println("       " + time);
            System.out.println();
            System.out.println(" 周一  周二 周三 周四 周五 周六  周日");  //这里空格的排序根据个人来定，我这看起来这么排顺序能对上
            for (int i = 1; i < value; i++)
                System.out.print("     ");
            while (date.getMonth().getValue() == month) {       //如果这个月遍历完就停止
                if (date.getDayOfMonth() <= 10) {                 //排版需要
                    System.out.print("  " + date.getDayOfMonth() + " ");
                } else {
                    System.out.print("  " + date.getDayOfMonth());
                }
                if (date.getDayOfMonth() == day) {               //输入日期标注*重点
                    System.out.print("*");
                } else {
                    System.out.print(" ");
                }
                date = date.plusDays(1);                     //每次打印完就向后一天,无需管一个月是28天还是30，31天
                if (date.getDayOfWeek().getValue() == 1) {
                    System.out.println();
                }
            }
        }
    }