Date与LocalDate,LocalDateTime 之间的转换工具类

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

}

/**
* Date转换为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转换为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;
}

}