Java时间时区处理转换工具类

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;/*** 时间工具类*/
public class MorliaDateUtil {/*** 时间格式为&＃xff1a;yyyy-MM-dd HH:mm:ss*/private static final String FORMAT_1 &＃61; "yyyy-MM-dd HH:mm:ss";/*** 时间格式为&＃xff1a;yyyyMMddHHmmss*/private static final String FORMAT_2 &＃61; "yyyyMMddHHmmss";/*** 时间格式为&＃xff1a;yyyyMMddHHmmssSSS*/private static final String FORMAT_3 &＃61; "yyyyMMddHHmmssSSS";/*** 得到UTC时间&＃xff0c;类型为字符串&＃xff0c;格式为"yyyy-MM-dd HH:mm"
* 如果获取失败&＃xff0c;返回null*/public static String getUTCTimeStr() {return getTime(0, FORMAT_1);} /*** 得到UTC时间&＃xff0c;类型为字符串&＃xff0c;格式为"yyyyMMddHHmmss"* 如果获取失败&＃xff0c;返回null*/public static String getUTCTimeStr2() {return getTime(0, FORMAT_2);}/*** 得到北京时间&＃xff0c;类型为字符串&＃xff0c;格式为"yyyyMMddHHmmss"
* 如果获取失败&＃xff0c;返回null*/public static String getCCTTimeStr2() {return getTime(8, FORMAT_2);}/*** 得到北京时间&＃xff0c;类型为字符串&＃xff0c;格式为"yyyyMMddHHmmssSSS"
* 如果获取失败&＃xff0c;返回null*/public static String getCCTTimeStr3() {return getTime(8, FORMAT_3);}/*** 获取时间* &＃64;param timeZoneInt 时区&＃xff0c;-12 到 12的整数&＃xff0c;不支持夏令时* &＃64;param formatString 自定义时间格式*/public static String getTime(int timeZoneInt, String formatString) {//设置时区&＃xff0c;仅限于-12到12的整数时区if(timeZoneInt > 12 || timeZoneInt < -12) {return null;}TimeZone timeZone &＃61; TimeZone.getTimeZone("GMT" &＃43; (timeZoneInt > 0 ? "&＃43;" &＃43; timeZoneInt : timeZoneInt) &＃43; ":00");// 1、取得本地时间&＃xff1a;Calendar cal &＃61; Calendar.getInstance(timeZone);int year &＃61; cal.get(Calendar.YEAR);int month &＃61; cal.get(Calendar.MONTH) &＃43; 1;int day &＃61; cal.get(Calendar.DAY_OF_MONTH);int hour &＃61; cal.get(Calendar.HOUR_OF_DAY);int minute &＃61; cal.get(Calendar.MINUTE);int second &＃61; cal.get(Calendar.SECOND);int millisecond &＃61; cal.get(Calendar.MILLISECOND);formatString &＃61; formatString.replace("yyyy", String.valueOf(year));formatString &＃61; formatString.replace("MM", String.valueOf(month > 9 ? month : "0" &＃43; month));formatString &＃61; formatString.replace("dd", String.valueOf(day > 9 ? day : "0" &＃43; day));formatString &＃61; formatString.replace("HH", String.valueOf(hour > 9 ? hour : "0" &＃43; hour));formatString &＃61; formatString.replace("mm", String.valueOf(minute > 9 ? minute : "0" &＃43; minute));formatString &＃61; formatString.replace("ss", String.valueOf(second > 9 ? second : "0" &＃43; second));formatString &＃61; formatString.replace("SSS", String.valueOf(millisecond > 9 ? millisecond > 99 ? "0" &＃43; millisecond : "00" &＃43; millisecond : millisecond));return formatString;}/*** 根据开始时间和结束时间&＃xff0c;将时间分成一天一天的集合* &＃64;param: String starttime,String endtime*/public static List<String> getDateList(String starttime, String endtime){SimpleDateFormat sdf &＃61; new SimpleDateFormat("yyyy-MM-dd");Date dateFormat1 &＃61; new Date(-7 * 24 * 3600 * 1000L);TimeZone timeZone &＃61; TimeZone.getTimeZone("GMT&＃43;8:00");SimpleDateFormat currentTime &＃61; new SimpleDateFormat("yyyy-MM-dd");currentTime.setTimeZone(timeZone);String currentDate &＃61; currentTime.format(new Date());Date dateFormat2 &＃61; new Date();try {dateFormat1 &＃61; sdf.parse(starttime);dateFormat2 &＃61; sdf.parse(endtime).getTime() > sdf.parse(currentDate).getTime()?sdf.parse(currentDate) : sdf.parse(endtime);} catch (ParseException e) {return null;}List<String> list &＃61; new ArrayList<String>();while(dateFormat1.getTime() <&＃61; dateFormat2.getTime()) {String strs &＃61; sdf.format(dateFormat1);list.add(strs);dateFormat1.setTime(dateFormat1.getTime() &＃43; 24 * 3600 * 1000L);}return list;}
}

package com.aaa.bbb.utils;import cn.hutool.core.date.DateUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.time.DateFormatUtils;
import org.apache.commons.lang.time.DateUtils;import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
&＃64;Slf4j
public class ItemDateUtils {private static final String yyyyMMddHHmmssSSS &＃61; "yyyyMMddHHmmssSSS";private static final String yyyy_MM_dd_HH_mm_ss&＃61;"yyyy-MM-dd HH:mm:ss";private static final String defaultformate&＃61;"yyyy-MM-dd&＃39;T&＃39;HH:mm:ss.SSSZ";public static String get8TimeStr() {return getTime(8, yyyy_MM_dd_HH_mm_ss);}public static Date get8Time(){try {SimpleDateFormat simpleDateFormat &＃61; new SimpleDateFormat(yyyy_MM_dd_HH_mm_ss);simpleDateFormat.setTimeZone(TimeZone.getTimeZone("GMT&＃43;:08:00"));Date dateValue &＃61; simpleDateFormat.parse(get8TimeStr());return dateValue;}catch (Exception e){log.error(e.getMessage(),e);}return null;}/*** 获取时间yyyy-MM-dd&＃39;T&＃39;HH:mm:ss.SSSZ* &＃64;param timeZoneInt 时区&＃xff0c;-12 到 12的整数&＃xff0c;不支持夏令时* &＃64;param formatString 自定义时间格式*/public static String getTime(int timeZoneInt, String formatString) {//设置时区&＃xff0c;仅限于-12到12的整数时区if(timeZoneInt > 12 || timeZoneInt < -12) {return null;}TimeZone timeZone &＃61; TimeZone.getTimeZone("GMT" &＃43; (timeZoneInt > 0 ? "&＃43;" &＃43; timeZoneInt : timeZoneInt) &＃43; ":00");// 1、取得本地时间&＃xff1a;Calendar cal &＃61; Calendar.getInstance(timeZone);int year &＃61; cal.get(Calendar.YEAR);int month &＃61; cal.get(Calendar.MONTH) &＃43; 1;int day &＃61; cal.get(Calendar.DAY_OF_MONTH);int hour &＃61; cal.get(Calendar.HOUR_OF_DAY);int minute &＃61; cal.get(Calendar.MINUTE);int second &＃61; cal.get(Calendar.SECOND);int millisecond &＃61; cal.get(Calendar.MILLISECOND);formatString &＃61; formatString.replace("yyyy", String.valueOf(year));formatString &＃61; formatString.replace("MM", String.valueOf(month > 9 ? month : "0" &＃43; month));formatString &＃61; formatString.replace("dd", String.valueOf(day > 9 ? day : "0" &＃43; day));formatString &＃61; formatString.replace("HH", String.valueOf(hour > 9 ? hour : "0" &＃43; hour));formatString &＃61; formatString.replace("mm", String.valueOf(minute > 9 ? minute : "0" &＃43; minute));formatString &＃61; formatString.replace("ss", String.valueOf(second > 9 ? second : "0" &＃43; second));formatString &＃61; formatString.replace("SSS", String.valueOf(millisecond > 9 ?millisecond > 99 ? "0" &＃43; millisecond : "00" &＃43; millisecond : millisecond));return formatString;}}