60 lines
1.4 KiB
Java
60 lines
1.4 KiB
Java
package com.jwl.driver.server.util;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.time.temporal.ChronoUnit;
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/**
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* @Author: yangshuang
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* @Description:
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* @Date: 2021/2/23 15:23
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* @Version: 1.0
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*/
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public class DateTimeUtil {
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/**
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* 时间转字符串
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* @param dateTime
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* @return
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*/
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public static String dateTime2Str(LocalDateTime dateTime, DateTimeFormatter df) {
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return df.format(dateTime);
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}
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/**
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* 字符串转时间
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* @param str
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* @return
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*/
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public static LocalDateTime str2DateTime(String str, DateTimeFormatter df) {
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return LocalDateTime.parse(str, df);
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}
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/**
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* 获取当前时间字符串
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* @return
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*/
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public static String getCurrentStr(DateTimeFormatter df) {
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return dateTime2Str(LocalDateTime.now(), df);
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}
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/**
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* 计算两个时间之间间隔的天数
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* @param startDate
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* @param endDate
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* @return
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*/
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public static long getIntervalDays(LocalDateTime startDate, LocalDateTime endDate) {
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return ChronoUnit.DAYS.between(startDate, endDate);
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}
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public static void main(String[] args) {
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LocalDateTime date1 = LocalDateTime.of(2023, 4, 18,0,0,0);
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LocalDateTime date2 = LocalDateTime.of(2023, 4, 19,23,59,59);
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long between = ChronoUnit.DAYS.between(date1, date2);
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System.out.println(between);
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}
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}
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