Date與LocalDate,LocalDateTime 之間的轉換工具類

package com.libstar.lsp.find.utils;

import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.util.Date;

/**
 * @author lzg
 * @create 2018-12-25 18:38
 **/
public class LocalDateUtil {

    /**
     * LocalDate轉Date
     * @param localDate
     * @return
     */
    public static Date localDate2Date(LocalDate localDate) {
        if (null == localDate) {
            return null;
        }
        ZonedDateTime zonedDateTime = localDate.atStartOfDay(ZoneId.systemDefault());
        return Date.from(zonedDateTime.toInstant());

    }

    /**
     * Date轉LocalDate
     * @param date
     */
    public static LocalDate date2LocalDate(Date date) {
        if (null == date) {
            return null;
        }
        return date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();

    }

    /**
     * Date轉換為LocalDateTime
     * @param date
     */
    public static LocalDateTime date2LocalDateTime(Date date){
        Instant instant = date.toInstant();
        ZoneId zoneId = ZoneId.systemDefault();
        LocalDateTime localDateTime = instant.atZone(zoneId).toLocalDateTime();
      return localDateTime;
    }

    /**
     * LocalDateTime轉換為Date
     * @param localDateTime
     */
    public static Date localDateTime2Date( LocalDateTime localDateTime){
        ZoneId zoneId = ZoneId.systemDefault();
        ZonedDateTime zdt = localDateTime.atZone(zoneId);
        Date date = Date.from(zdt.toInstant());
       return date;
    }
    
}