package com.inmind.jdk8_date05;

import java.time.LocalDate;

public class LocalDateDemo09 {
    public static void main(String[] args) {
        //获取当前日期对象
        LocalDate localDate = LocalDate.now();
        System.out.println(localDate);//保存的是地址，但是重写了toString方法，展示了日期的内容
        //1、获取当前日期对象对应的信息
        showTime(localDate);

        //2、直接修改某个信息: withYear、withMonth、withDayOfMonth、withDayOfYear
        LocalDate localDate1 = localDate.withYear(2099);
        showTime(localDate1);
        LocalDate localDate2 = localDate.withMonth(10);
        showTime(localDate2);
        // 3、把某个信息加多少: plusYears、plusMonths、plusDays、plusWeeks
        LocalDate localDate3 = localDate.plusYears(10);
        LocalDate localDate4 = localDate.plusMonths(10);
        showTime(localDate3);
        showTime(localDate4);
        //4.把某个信息减多少：minusYears、minusMonths、minusDays、minusWeeks
        LocalDate localDate5 = localDate.minusYears(10);
        LocalDate localDate6 = localDate.minusMonths(10);
        showTime(localDate5);
        showTime(localDate6);
        //5、获取指定日期的LocalDate对象： public static LocalDate of(int year, int month, int dayOfMonth)
        LocalDate localDate7 = LocalDate.of(2029, 12, 12);
        LocalDate localDate8 = LocalDate.of(2019, 12, 12);
        showTime(localDate7);
        // 6、判断2个日期对象，是否相等，在前还是在后： equals isBefore isAfter
        System.out.println(localDate7.equals(localDate8));
        System.out.println(localDate7.isBefore(localDate8));
        System.out.println(localDate7.isAfter(localDate8));
    }

    private static void showTime(LocalDate localDate) {
        int year = localDate.getYear();
        int monthValue = localDate.getMonthValue();
        int day = localDate.getDayOfMonth();
        int dayOfYear = localDate.getDayOfYear();
        int value = localDate.getDayOfWeek().getValue();
        System.out.println(year+"-"+monthValue+"-"+day+"-"+dayOfYear+"-"+value);
    }
}