java8 time包的简单使用

 import com.sun.org.apache.xml.internal.res.XMLErrorResources_tr;

 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.time.*;
 import java.time.format.DateTimeFormatter;
 import java.time.temporal.ChronoField;
 import java.time.temporal.ChronoUnit;
 public class Time {
     public static void main(String[] args) {
         //创建时间日期
         LocalDate date = LocalDate.of(2014, 3, 18);
         LocalDate today = LocalDate.now();
         LocalDate date1 = LocalDate.parse("2014-03-18");
         LocalTime time1 = LocalTime.parse("13:45:20");

         //获得属性
         int year = date.get(ChronoField.YEAR);
         int month = date.get(ChronoField.MONTH_OF_YEAR);
         int day = date.get(ChronoField.DAY_OF_MONTH);

         //修改属性
         date1 = LocalDate.of(2014, 3, 18);
         LocalDate date2 = date1.withYear(2011);
         LocalDate date3 = date2.withDayOfMonth(25);
         LocalDate date4 = date3.with(ChronoField.MONTH_OF_YEAR, 9);

         //修改属性
         date1 = LocalDate.of(2014, 3, 18);
         date2 = date1.plusWeeks(1);
         date3 = date2.minusYears(3);
         date4 = date3.plus(6, ChronoUnit.MONTHS);

         //格式化输出
         System.out.println(date.format(DateTimeFormatter.ofPattern("yyyy-MM-dd")));
         System.out.println(date.format(DateTimeFormatter.ISO_DATE));
     }
 }