java8实现的处理时间工具类(收藏)
1. 前期准备:
① JDK:1.8
② 编辑器:Eclipse
③ Guava(创建集合的时候回用到,可以还原成JDK1.5的创建方式:new)
2. 全部代码展示:
package com.drew.util; import java.time.DayOfWeek; import java.time.LocalDate; import java.time.LocalDateTime; import java.time.LocalTime; import java.time.MonthDay; import java.time.Period; import java.time.format.DateTimeFormatter; import java.time.format.FormatStyle; import java.time.temporal.ChronoUnit; import java.time.temporal.TemporalAdjusters; import java.util.List; import com.google.common.collect.Lists; /** * * java1.8 的新特性,解决SimpleDateFormat的线程问题<br> * <li>Instant代替 Date,</li> * <li>LocalDateTime代替 Calendar,</li> * <li>DateTimeFormatter 代替 SimpleDateFormat.</li> 注意:如果是共享变量,则可能会出现线程问题。<br> * * @author zero 2019/03/30 */ public class DateUtil8 { // 时间元素 private static final String YEAR = "year"; private static final String MONTH = "month"; private static final String WEEK = "week"; private static final String DAY = "day"; private static final String HOUR = "hour"; private static final String MINUTE = "minute"; private static final String SECOND = "second"; // 星期元素 private static final String MONDAY = "MONDAY";// 星期一 private static final String TUESDAY = "TUESDAY";// 星期二 private static final String WEDNESDAY = "WEDNESDAY";// 星期三 private static final String THURSDAY = "THURSDAY";// 星期四 private static final String FRIDAY = "FRIDAY";// 星期五 private static final String SATURDAY = "SATURDAY";// 星期六 private static final String SUNDAY = "SUNDAY";// 星期日 // 根据指定格式显示日期和时间 /** yyyy-MM-dd */ private static final DateTimeFormatter yyyyMMdd_EN = DateTimeFormatter.ofPattern("yyyy-MM-dd"); /** yyyy-MM-dd HH */ private static final DateTimeFormatter yyyyMMddHH_EN = DateTimeFormatter.ofPattern("yyyy-MM-dd HH"); /** yyyy-MM-dd HH:mm */ private static final DateTimeFormatter yyyyMMddHHmm_EN = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm"); /** yyyy-MM-dd HH:mm:ss */ private static final DateTimeFormatter yyyyMMddHHmmss_EN = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"); /** HH:mm:ss */ private static final DateTimeFormatter HHmmss_EN = DateTimeFormatter.ofPattern("HH:mm:ss"); /** yyyy年MM月dd日 */ private static final DateTimeFormatter yyyyMMdd_CN = DateTimeFormatter.ofPattern("yyyy年MM月dd日"); /** yyyy年MM月dd日HH时 */ private static final DateTimeFormatter yyyyMMddHH_CN = DateTimeFormatter.ofPattern("yyyy年MM月dd日HH时"); /** yyyy年MM月dd日HH时mm分 */ private static final DateTimeFormatter yyyyMMddHHmm_CN = DateTimeFormatter.ofPattern("yyyy年MM月dd日HH时mm分"); /** yyyy年MM月dd日HH时mm分ss秒 */ private static final DateTimeFormatter yyyyMMddHHmmss_CN = DateTimeFormatter.ofPattern("yyyy年MM月dd日HH时mm分ss秒"); /** HH时mm分ss秒 */ private static final DateTimeFormatter HHmmss_CN = DateTimeFormatter.ofPattern("HH时mm分ss秒"); // 本地时间显示格式:区分中文和外文显示 private static final DateTimeFormatter shotDate = DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT); private static final DateTimeFormatter fullDate = DateTimeFormatter.ofLocalizedDate(FormatStyle.FULL); private static final DateTimeFormatter longDate = DateTimeFormatter.ofLocalizedDate(FormatStyle.LONG); private static final DateTimeFormatter mediumDate = DateTimeFormatter.ofLocalizedDate(FormatStyle.MEDIUM); /** * 获取当前日期 * * @return yyyy-MM-dd * @author zero 2019/03/30 */ public static String getNowDate_EN() { return String.valueOf(LocalDate.now()); } /** * 获取当前日期 * * @return 字符串yyyy-MM-dd HH:mm:ss * @author zero 2019/03/30 */ public static String getNowTime_EN() { return LocalDateTime.now().format(yyyyMMddHHmmss_EN); } /** 获取当前时间(yyyy-MM-dd HH) */ public static String getNowTime_EN_yMdH() { return LocalDateTime.now().format(yyyyMMddHH_EN); } /** 获取当前时间(yyyy年MM月dd日) */ public static String getNowTime_CN_yMdH() { return LocalDateTime.now().format(yyyyMMddHH_CN); } /** 获取当前时间(yyyy-MM-dd HH:mm) */ public static String getNowTime_EN_yMdHm() { return LocalDateTime.now().format(yyyyMMddHHmm_EN); } /** 获取当前时间(yyyy年MM月dd日HH时mm分) */ public static String getNowTime_CN_yMdHm() { return LocalDateTime.now().format(yyyyMMddHHmm_CN); } /** 获取当前时间(HH时mm分ss秒) */ public static String getNowTime_CN_HHmmss() { return LocalDateTime.now().format(HHmmss_CN); } /** * 根据日期格式,获取当前时间 * * @param formatStr 日期格式<br> * <li>yyyy</li> * <li>yyyy-MM-dd</li> * <li>yyyy-MM-dd HH:mm:ss</li> * <li>HH:mm:ss</li> * @return * @author zero 2019/03/30 */ public static String getTime(String formatStr) { return LocalDateTime.now().format(DateTimeFormatter.ofPattern(formatStr)); } /** * 获取中文的当前日期 * * @return yyyy年mm月dd日 * @author zero 2019/03/30 */ public static String getNowDate_CN() { return LocalDate.now().format(yyyyMMdd_CN); } /** * 获取中文当前时间 * * @return yyyy年MM月dd日HH时mm分ss秒 * @author zero 2019/03/30 */ public static String getNowTime_CN() { return LocalDateTime.now().format(yyyyMMddHHmmss_CN); } /** * 简写本地当前日期:yy-M-dd<br> * 例如:19-3-30为2019年3月30日 * * @return 字符串yy-M-dd * @author zero 2019/03/30 */ public static String getNowLocalTime_shot() { return LocalDateTime.now().format(shotDate); } /** * 根据当地日期显示格式:yyyy年M月dd日 星期?(中国) * * @return 形如:2019年3月30日 星期六 * @author zero 2019/03/30 */ public static String getNowLocalTime_full() { return LocalDateTime.now().format(fullDate); } /** * 根据当地显示日期格式:yyyy年M月dd日(中国) * * @return 形如 2019年3月30日 * @author zero 2019/03/30 */ public static String getNowLocalTime_long() { return LocalDateTime.now().format(longDate); } /** * 根据当地显示日期格式:yyyy-M-dd(中国) * * @return 形如:2019-3-30 * @author zero 2019/03/30 */ public static String getNowLocalTime_medium() { return LocalDateTime.now().format(mediumDate); } /** * 获取当前日期的节点时间(年,月,周,日,时,分,秒) * * @param node 日期中的节点元素(年,月,周,日,时,分,秒) * @return 节点数字,如创建此方法的时间:年 2019,月 3,日 30,周 6 * @author zero 2019/03/30 星期六 */ public static Integer getNodeTime(String node) { LocalDateTime today = LocalDateTime.now(); Integer resultNode = null; switch (node) { case YEAR: resultNode = today.getYear(); break; case MONTH: resultNode = today.getMonthValue(); break; case WEEK: resultNode = transformWeekEN2Num(String.valueOf(today.getDayOfWeek())); break; case DAY: resultNode = today.getDayOfMonth(); break; case HOUR: resultNode = today.getHour(); break; case MINUTE: resultNode = today.getMinute(); break; case SECOND: resultNode = today.getSecond(); break; default: // 当前日期是当前年的第几天。例如:2019/1/3是2019年的第三天 resultNode = today.getDayOfYear(); break; } return resultNode; } /** * 将英文星期转换成数字 * * @param enWeek 英文星期 * @return int,如果数字小于0,则检查,看是否输入错误 or 入参为null * @author zero 2019/03/30 */ public static int transformWeekEN2Num(String enWeek) { if (MONDAY.equals(enWeek)) { return 1; } else if (TUESDAY.equals(enWeek)) { return 2; } else if (WEDNESDAY.equals(enWeek)) { return 3; } else if (THURSDAY.equals(enWeek)) { return 4; } else if (FRIDAY.equals(enWeek)) { return 5; } else if (SATURDAY.equals(enWeek)) { return 6; } else if (SUNDAY.equals(enWeek)) { return 7; } else { return -1; } } /** * 获取当前日期之后(之后)的节点事件<br> * <ul> * 比如当前时间为:2019-03-30 10:20:30 * </ul> * <li>node="hour",num=5L:2019-03-30 15:20:30</li> * <li>node="day",num=1L:2019-03-31 10:20:30</li> * <li>node="year",num=1L:2020-03-30 10:20:30</li> * * @param node 节点元素(“year”,"month","week","day","huor","minute","second") * @param num 第几天(+:之后,-:之前) * @return 之后或之后的日期 * @author zero 2019/03/30 */ public static String getAfterOrPreNowTime(String node, Long num) { LocalDateTime now = LocalDateTime.now(); if (HOUR.equals(node)) { return now.plusHours(num).format(yyyyMMddHHmmss_EN); } else if (DAY.equals(node)) { return now.plusDays(num).format(yyyyMMddHHmmss_EN); } else if (WEEK.equals(node)) { return now.plusWeeks(num).format(yyyyMMddHHmmss_EN); } else if (MONTH.equals(node)) { return now.plusMonths(num).format(yyyyMMddHHmmss_EN); } else if (YEAR.equals(node)) { return now.plusYears(num).format(yyyyMMddHHmmss_EN); } else if (MINUTE.equals(node)) { return now.plusMinutes(num).format(yyyyMMddHHmmss_EN); } else if (SECOND.equals(node)) { return now.plusSeconds(num).format(yyyyMMddHHmmss_EN); } else { return "Node is Error!"; } } /** * 获取与当前日期相距num个之后(之前)的日期<br> * <ul> * 比如当前时间为:2019-03-30 10:20:30的格式日期 * <li>node="hour",num=5L:2019-03-30 15:20:30</li> * <li>node="day",num=1L:2019-03-31 10:20:30</li> * <li>node="year",num=1L:2020-03-30 10:20:30</li> * </ul> * * @param dtf 格式化当前时间格式(dtf = yyyyMMddHHmmss_EN) * @param node 节点元素(“year”,"month","week","day","huor","minute","second") * @param num (+:之后,-:之前) * @return 之后之前的日期 * @author zero 2019/03/30 */ public static String getAfterOrPreNowTimePlus(DateTimeFormatter dtf, String node, Long num) { LocalDateTime now = LocalDateTime.now(); if (HOUR.equals(node)) { return now.plusHours(num).format(dtf); } else if (DAY.equals(node)) { return now.plusDays(num).format(dtf); } else if (WEEK.equals(node)) { return now.plusWeeks(num).format(dtf); } else if (MONTH.equals(node)) { return now.plusMonths(num).format(dtf); } else if (YEAR.equals(node)) { return now.plusYears(num).format(dtf); } else if (MINUTE.equals(node)) { return now.plusMinutes(num).format(dtf); } else if (SECOND.equals(node)) { return now.plusSeconds(num).format(dtf); } else { return "Node is Error!"; } } /** * 当前时间的hour,minute,second之后(之前)的时刻 * * @param node 时间节点元素(hour,minute,second) * @param num 之后(之后)多久时,分,秒(+:之后,-:之前) * @return HH:mm:ss 字符串 * @author zero 2019/03/30 */ public static String getAfterOrPreNowTimeSimp(String node, Long num) { LocalTime now = LocalTime.now(); if (HOUR.equals(node)) { return now.plusHours(num).format(HHmmss_EN); } else if (MINUTE.equals(node)) { return now.plusMinutes(num).format(HHmmss_EN); } else if (SECOND.equals(node)) { return now.plusSeconds(num).format(HHmmss_EN); } else { return "Node is Error!"; } } /** * 检查重复事件,比如生日。TODO This is a example. * * @param birthDayStr * @return * @author zero 2019/03/31 */ public static boolean isBirthday(int month, int dayOfMonth) { MonthDay birthDay = MonthDay.of(month, dayOfMonth); MonthDay curMonthDay = MonthDay.from(LocalDate.now());// MonthDay只存储了月、日。 if (birthDay.equals(curMonthDay)) { return true; } return false; } /** * 获取当前日期第index日之后(之前)的日期(yyyy-MM-dd) * * @param index 第index天 * @return 日期字符串:yyyy-MM-dd * @author zero 2019/03/31 */ public static String getAfterOrPreDayDate(int index) { return LocalDate.now().plus(index, ChronoUnit.DAYS).format(yyyyMMdd_EN); } /** * 获取当前日期第index周之前(之后)的日期(yyyy-MM-dd) * * @param index 第index周(+:之后,-:之前) * @return 日期字符串:yyyy-MM-dd * @author zero 2019/03/31 */ public static String getAfterOrPreWeekDate(int index) { return LocalDate.now().plus(index, ChronoUnit.WEEKS).format(yyyyMMdd_EN); } /** * 获取当前日期第index月之前(之后)的日期(yyyy-MM-dd) * * @param index 第index月(+:之后,-:之前) * @return 日期字符串:yyyy-MM-dd * @author zero 2019/03/31 */ public static String getAfterOrPreMonthDate(int index) { return LocalDate.now().plus(index, ChronoUnit.MONTHS).format(yyyyMMdd_EN); } /** * 获取当前日期第index年之前(之后)的日期(yyyy-MM-dd) * * @param index 第index年(+:之后,-:之前) * @return 日期字符串:yyyy-MM-dd * @author zero 2019/03/31 */ public static String getAfterOrPreYearDate(int index) { return LocalDate.now().plus(index, ChronoUnit.YEARS).format(yyyyMMdd_EN); } /** * 获取指定日期之前之后的第index的日,周,月,年的日期 * * @param date 指定日期格式:yyyy-MM-dd * @param node 时间节点元素(日周月年) * @param index 之前之后第index个日期 * @return yyyy-MM-dd 日期字符串 * @author zero 2019/03/31 */ public static String getAfterOrPreDate(String date, String node, int index) { date = date.trim(); if (DAY.equals(node)) { return LocalDate.parse(date).plus(index, ChronoUnit.DAYS).format(yyyyMMdd_EN); } else if (WEEK.equals(node)) { return LocalDate.parse(date).plus(index, ChronoUnit.WEEKS).format(yyyyMMdd_EN); } else if (MONTH.equals(node)) { return LocalDate.parse(date).plus(index, ChronoUnit.MONTHS).format(yyyyMMdd_EN); } else if (YEAR.equals(node)) { return LocalDate.parse(date).plus(index, ChronoUnit.YEARS).format(yyyyMMdd_EN); } else { return "Wrong date format!"; } } /** * 检测:输入年份是否是闰年? * * @param date 日期格式:yyyy-MM-dd * @return true:闰年,false:平年 * @author zero 2019/03/31 */ public static boolean isLeapYear(String date) { return LocalDate.parse(date.trim()).isLeapYear(); } /** * 计算两个日期字符串之间相差多少个周期(天,月,年) * * @param date1 yyyy-MM-dd * @param date2 yyyy-MM-dd * @param node 三者之一:(day,month,year) * @return 相差多少周期 * @author zero 2019/03/31 */ public static int peridCount(String date1, String date2, String node) { date1 = date1.trim(); date2 = date2.trim(); if (DAY.equals(node)) { return Period.between(LocalDate.parse(date1), LocalDate.parse(date2)).getDays(); } else if (MONTH.equals(node)) { return Period.between(LocalDate.parse(date1), LocalDate.parse(date2)).getMonths(); } else if (YEAR.equals(node)) { return Period.between(LocalDate.parse(date1), LocalDate.parse(date2)).getYears(); } else { return 0; } } /** * 切割日期。按照周期切割成小段日期段。例如: <br> * * @param startDate 开始日期(yyyy-MM-dd) * @param endDate 结束日期(yyyy-MM-dd) * @param period 周期(天,周,月,年) * @return 切割之后的日期集合 * @author zero 2019/04/02 * @example * <li>startDate="2019-02-28",endDate="2019-03-05",period="day"</li> * <li>结果为:[2019-02-28, 2019-03-01, 2019-03-02, 2019-03-03, 2019-03-04, 2019-03-05]</li><br> * <li>startDate="2019-02-28",endDate="2019-03-25",period="week"</li> * <li>结果为:[2019-02-28,2019-03-06, 2019-03-07,2019-03-13, 2019-03-14,2019-03-20, * 2019-03-21,2019-03-25]</li><br> * <li>startDate="2019-02-28",endDate="2019-05-25",period="month"</li> * <li>结果为:[2019-02-28,2019-02-28, 2019-03-01,2019-03-31, 2019-04-01,2019-04-30, * 2019-05-01,2019-05-25]</li><br> * <li>startDate="2019-02-28",endDate="2020-05-25",period="year"</li> * <li>结果为:[2019-02-28,2019-12-31, 2020-01-01,2020-05-25]</li><br> */ public static List<String> getPieDateRange(String startDate, String endDate, String period) { List<String> result = Lists.newArrayList(); LocalDate end = LocalDate.parse(endDate, yyyyMMdd_EN); LocalDate start = LocalDate.parse(startDate, yyyyMMdd_EN); LocalDate tmp = start; switch (period) { case DAY: while (start.isBefore(end) || start.isEqual(end)) { result.add(start.toString()); start = start.plusDays(1); } break; case WEEK: while (tmp.isBefore(end) || tmp.isEqual(end)) { if (tmp.plusDays(6).isAfter(end)) { result.add(tmp.toString() + "," + end); } else { result.add(tmp.toString() + "," + tmp.plusDays(6)); } tmp = tmp.plusDays(7); } break; case MONTH: while (tmp.isBefore(end) || tmp.isEqual(end)) { LocalDate lastDayOfMonth = tmp.with(TemporalAdjusters.lastDayOfMonth()); if (lastDayOfMonth.isAfter(end)) { result.add(tmp.toString() + "," + end); } else { result.add(tmp.toString() + "," + lastDayOfMonth); } tmp = lastDayOfMonth.plusDays(1); } break; case YEAR: while (tmp.isBefore(end) || tmp.isEqual(end)) { LocalDate lastDayOfYear = tmp.with(TemporalAdjusters.lastDayOfYear()); if (lastDayOfYear.isAfter(end)) { result.add(tmp.toString() + "," + end); } else { result.add(tmp.toString() + "," + lastDayOfYear); } tmp = lastDayOfYear.plusDays(1); } break; default: break; } return result; } /** * 指定日期月的最后一天(yyyy-MM-dd) * * @param curDate 日期格式(yyyy-MM-dd) * @param firstOrLast true:第一天,false:最后一天 * @return * @author zero 2019/04/13 */ public static String getLastDayOfMonth(String curDate, boolean firstOrLast) { if (firstOrLast) { return LocalDate.parse(curDate, yyyyMMdd_EN).with(TemporalAdjusters.firstDayOfMonth()).toString(); } else { return LocalDate.parse(curDate, yyyyMMdd_EN).with(TemporalAdjusters.lastDayOfMonth()).toString(); } } /** * 指定日期年的最后一天(yyyy-MM-dd) * * @param curDate 指定日期(格式:yyyy-MM-dd) * @param firstOrLast true:第一天,false:最后一天 * @return * @author zero 2019/04/13 */ public static String getLastDayOfYear(String curDate, boolean firstOrLast) { if (firstOrLast) { return LocalDate.parse(curDate, yyyyMMdd_EN).with(TemporalAdjusters.firstDayOfYear()).toString(); } else { return LocalDate.parse(curDate, yyyyMMdd_EN).with(TemporalAdjusters.lastDayOfYear()).toString(); } } /** * 获取下一个星期的日期 * * @param curDay yyyy-MM-dd * @param dayOfWeek monday:1~sunday:7 * @param isContainCurDay 是否包含当天,true:是,false:不包含 * @return 日期(yyyy-MM-dd) * @author zero 2019/04/02 */ public static String getNextWeekDate(String curDay, int dayOfWeek, boolean isContainCurDay) { dayOfWeek = dayOfWeek < 1 || dayOfWeek > 7 ? 1 : dayOfWeek; if (isContainCurDay) { return LocalDate.parse(curDay).with(TemporalAdjusters.nextOrSame(DayOfWeek.of(dayOfWeek))).toString(); } else { return LocalDate.parse(curDay).with(TemporalAdjusters.next(DayOfWeek.of(dayOfWeek))).toString(); } } /** * 获取上一个星期的日期 * * @param curDay 指定日期(yyyy-MM-dd) * @param dayOfWeek 数字范围(monday:1~sunday:7) * @param isCurDay 是否包含当天,true:是,false:不包含 * @return 日期(yyyy-MM-dd) * @author zero 2019/04/02 */ public static String getPreWeekDate(String curDay, int dayOfWeek, boolean isCurDay) { dayOfWeek = dayOfWeek < 1 || dayOfWeek > 7 ? 1 : dayOfWeek; if (isCurDay) { return LocalDate.parse(curDay).with(TemporalAdjusters.previousOrSame(DayOfWeek.of(dayOfWeek))).toString(); } else { return LocalDate.parse(curDay).with(TemporalAdjusters.previous(DayOfWeek.of(dayOfWeek))).toString(); } } /** * 获取指定日期当月的最后或第一个星期日期 * * @param curDay 指定日期(yyyy-MM-dd) * @param dayOfWeek 周几(1~7) * @param lastOrFirst true:最后一个,false本月第一个 * @return 日期(yyyy-MM-dd) * @author zero 2019/04/02 */ public static String getFirstOrLastWeekDate(String curDay, int dayOfWeek, boolean lastOrFirst) { dayOfWeek = dayOfWeek < 1 || dayOfWeek > 7 ? 1 : dayOfWeek; if (lastOrFirst) { return LocalDate.parse(curDay).with(TemporalAdjusters.lastInMonth(DayOfWeek.of(dayOfWeek))).toString(); } else { return LocalDate.parse(curDay).with(TemporalAdjusters.firstInMonth(DayOfWeek.of(dayOfWeek))).toString(); } } public static void main(String[] args) { System.out.println("==================="); // String curDate = "2019-04-10"; // 指定日期 // System.out.println(getLastDayOfMonth(curDate, true)); // System.out.println(getLastDayOfMonth(curDate, false)); // System.out.println(getLastDayOfYear(curDate, true)); // System.out.println(getLastDayOfYear(curDate, false)); // System.out.println("==================="); // String startDate = "2019-02-28", endDate = "2019-03-05", period = DAY; // System.out.println(getPieDateRange(startDate, endDate, period)); // System.out.println("==================="); // System.out.println(getNextWeekDate("2019-02-28", 1, false)); // System.out.println(getPieDateRange("2019-12-28", "2020-03-01", DAY)); // System.out.println("==================="); // System.out.println(getFirstOrLastWeekDate("2019-04-02", 0, false)); // System.out.println(getPreWeekDate("2019-04-02", 2, false)); // System.out.println(getNextWeekDate("2019-04-02", 2, false)); // System.out.println("==================="); // System.out.println("当前时间戳:" + Instant.now()); // System.out.println("当前时间:" + LocalDateTime.now()); // System.out.println("==================="); // System.out.println(peridCount("2019-01-30", "2019-03-31", MONTH)); // System.out.println(isLeapYear("2019-03-31")); // System.out.println(LocalDate.now().isLeapYear()); // System.out.println("==================="); // System.out.println(getAfterOrPreDate("2019-03-31", WEEK, -1)); // System.out.println(getAfterOrPreDayDate(-5)); // System.out.println(getAfterOrPreDayDate(-3)); // System.out.println(getAfterOrPreDayDate(6)); // System.out.println(getAfterOrPreYearDate(6)); // System.out.println(getAfterOrPreWeekDate(1)); // System.out.println("==================="); // clock(); // isBirthday(7, 13); // LocalDate date0 = LocalDate.of(2019, Month.OCTOBER, 31); // LocalDate date = LocalDate.of(2019, 3, 31); // System.out.println(date0.equals(LocalDate.now())); // System.out.println(date.getYear() + "-" + date.getMonthValue() + "-" + date.getDayOfMonth()); // System.out.println(getNowTime_EN()); // System.out.println(getAfterNowTimeSimp(SECOND, 5L)); // System.out.println("==================="); // System.out.println(getAfterNowTime(SECOND, 5L)); // System.out.println(getAfterNowTimePlus(yyyyMMddHHmm_EN, SECOND, 5L)); // System.out.println("==================="); // System.out.println(getNowDate_EN()); // System.out.println(getNowDate_CN()); // System.out.println(getTime("HH:mm:ss")); // System.out.println(getNowTime_EN()); // System.out.println(getNowTime_CN()); // System.out.println(getNowLocalTime_shot()); // System.out.println(getNowLocalTime_full()); // System.out.println(getNowLocalTime_long()); // System.out.println(getNowLocalTime_medium()); // System.out.println(getNodeTime("week")); // System.out.println(transformWeekEN2Num(null)); // System.out.println("==================="); } }
3. 测试使用说明:
测试时,将注释按照等号线一部分一部分取消。(块中方法相关联便于理解)