From ad4a2b07d134ce28b3db78633b5a0f5118bf2e2e Mon Sep 17 00:00:00 2001 From: 63e4982b46941e4a09ad57ad <63e4982b46941e4a09ad57ad@devide> Date: Sat, 6 May 2023 06:51:00 +0000 Subject: [PATCH] Sat May 6 06:51:00 UTC 2023 inscode --- Main.java | 474 +----------------------------- pom.xml | 15 + src/com/utils/DateTimeUtils.java | 483 +++++++++++++++++++++++++++++++ 3 files changed, 500 insertions(+), 472 deletions(-) create mode 100644 src/com/utils/DateTimeUtils.java diff --git a/Main.java b/Main.java index 4991560..02fc4fa 100644 --- a/Main.java +++ b/Main.java @@ -7,480 +7,10 @@ import java.time.temporal.TemporalQuery; import java.util.Calendar; import java.util.Date; import java.util.Scanner; - +import com.utils.DateTimeUtils; class Main { public static void main(String[] args) { DateTimeUtils.main(args); } - public enum DateTimeUtils { - - /** - * 日期格式 [yyyy-MM-dd] - **/ - YEAR("yyyy", 4), - MONTH("MM", 2), - DATE("yyyy-MM-dd", 10), - DATE_FOR_EXCEL("yyyy.MM.dd", 10), - DATE_SLASH("yyyy/MM/dd", 10), - DATE_MONTH_FOR_EXCEL("yyyy-MM", 7), - DATE_MONTH_SLASH_FOR_EXCEL("yyyy/MM", 7), - TIME("HH:mm:ss", 8), - DATE_TIME("yyyy-MM-dd HH:mm:ss", 19), - DATE_TIME_FOR_EXCEL("yyyy.MM.dd HH:mm:ss", 19), - - YEAR_CHINESE("yyyy年", 5), - MONTH_CHINESE("MM月", 3), - DATE_MONTH_CHINESE("yyyy年MM月", 8), - DATE_CHINESE("yyyy年MM月dd日", 11), - DATE_TIME_CHINESE("yyyy年MM月dd日 HH时mm分ss秒", 21); - - - private final DateTimeFormatter formatter; - - String pattern; - int len; - - DateTimeUtils(String pattern, int len) { - this.pattern = pattern; - this.len = len; - this.formatter = DateTimeFormatter.ofPattern(pattern).withZone(ZoneId.systemDefault()); - } - - - /** - * 获取现在时 - * - * @return - */ - public String now() { - return formatter.format(Instant.now()); - } - - /** - * 转换成时间字符串 - */ - public String formatDate(Date date) { - return date != null ? formatter.format(date.toInstant()) : ""; - } - - public String formatIimestamp(long epochMilli) { - return formatter.format(Instant.ofEpochMilli(epochMilli)); - } - - private R parse(String date, TemporalQuery query) { - return formatter.parse(date, query); - } - - private Date parseDate(String dateStr, TemporalQuery query) { - return Date.from(parseInstant(dateStr, query)); - } - - private Instant parseInstant(String dateStr, TemporalQuery query) { - R temporal = parse(dateStr, query); - if (temporal instanceof Instant) { - return (Instant) temporal; - } - if (temporal instanceof LocalDateTime) { - return ((LocalDateTime) temporal).atZone(ZoneId.systemDefault()).toInstant(); - } - if (temporal instanceof LocalDate) { - return ((LocalDate) temporal).atStartOfDay(ZoneId.systemDefault()).toInstant(); - } - if (temporal instanceof LocalDateTime) { - LocalDate epoch = LocalDate.of(1970, 1, 1); - LocalDateTime dateTime = LocalDateTime.of(epoch, (LocalTime) temporal); - return dateTime.atZone(ZoneId.systemDefault()).toInstant(); - } - throw new DateTimeException(" Type parameter must be LocalDateTime of LocalDate of LocalTime of Instant "); - } - - /** - * 字符串转换成时间 - */ - public Date parseDate(String dateStr) throws ParseException { - return new SimpleDateFormat(pattern).parse(dateStr); - } - - /** - * 加对应数量的年单位 - */ - public static Date setYearDate(int year) { - return setDate(year, 0, 0, null); - } - - /** - * 加对应数量的年单位 - */ - public static Date setYearDate(int year, Date date) { - return setDate(year, 0, 0, date); - } - - /** - * 加对应数量的月单位 - */ - public static Date setMonthDate(int month) { - return setDate(0, month, 0, null); - } - - /** - * 加对应数量的月单位 - */ - public static Date setMonthDate(int month, Date date) { - return setDate(0, month, 0, date); - } - - /** - * 加对应数量的天单位 - */ - public static Date setDayDate(int day) { - return setDate(0, 0, day, null); - - } - - /** - * 加对应数量的天单位 - */ - public static Date setDayDate(int day, Date date) { - return setDate(0, 0, day, date); - } - - /** - * 加对应数量的年月日单位 - */ - public static Date setDate(int year, int month, int day, Date date) { - final Calendar instance = Calendar.getInstance(); - if (date != null) { - instance.setTime(date); - } - instance.add(Calendar.YEAR, year); - instance.add(Calendar.MONTH, month); - instance.add(Calendar.DATE, day); - return instance.getTime(); - } - - /** - * 加对应数量的时分秒单位 - */ - public static Date setTime(int hour, int minute, int second, Date date) { - final Calendar instance = Calendar.getInstance(); - if (date != null) { - instance.setTime(date); - } - instance.add(Calendar.HOUR_OF_DAY, hour); - instance.add(Calendar.MINUTE, minute); - instance.add(Calendar.SECOND, second); - return instance.getTime(); - } - - public String getPattern() { - return pattern; - } - - public int getLen() { - return len; - } - - /** - * 获取当周第一天 - * - * @param dateStr - * @return - */ - public static Date getFirstDayOfWeek(String dateStr) { - if (dateStr == null || "".equals(dateStr)) { - return null; - } - final DateTimeUtils dateTimeUtil = getDateTimeUtil(dateStr); - if (dateTimeUtil == null) { - return null; - } - try { - final Date date = dateTimeUtil.parseDate(dateStr); - return getFirstDayOfWeek(date); - } catch (ParseException e) { - e.printStackTrace(); - } - return null; - } - - /** - * 获取当周第一天 - * - * @param date - * @return - */ - public static Date getFirstDayOfWeek(Date date) { - if (date == null) { - return null; - } - final Calendar cal = Calendar.getInstance(); - try { - cal.setTime(date); - cal.set(Calendar.DAY_OF_WEEK, 1); - } catch (Exception e) { - e.printStackTrace(); - } - return cal.getTime(); - } - - /** - * 获取当周最后一天 - * - * @param dateStr - * @return - */ - public static Date getLastDayOfWeek(String dateStr) { - if (dateStr == null || "".equals(dateStr)) { - return null; - } - final DateTimeUtils dateTimeUtil = getDateTimeUtil(dateStr); - if (dateTimeUtil == null) { - return null; - } - try { - final Date date = dateTimeUtil.parseDate(dateStr); - return getLastDayOfWeek(date); - } catch (ParseException e) { - e.printStackTrace(); - } - return null; - } - - /** - * 获取当周最后一天 - * - * @param date - * @return - */ - public static Date getLastDayOfWeek(Date date) { - final Calendar cal = Calendar.getInstance(); - try { - cal.setTime(date); - cal.set(Calendar.DAY_OF_WEEK, 1); - cal.set(Calendar.DATE, cal.get(Calendar.DATE) + 6); - } catch (Exception e) { - e.printStackTrace(); - } - return cal.getTime(); - } - - /** - * 获取时间枚举工具类 - * - * @param dateStr - * @return - */ - public static DateTimeUtils getDateTimeUtil(String dateStr) { - if (null == dateStr) { - return null; - } - DateTimeUtils[] values = DateTimeUtils.values(); - for (int i = 0; i < values.length; i++) { - DateTimeUtils dateTimeUtil = values[i]; - if (dateTimeUtil.len == dateStr.length() && dateTimeUtil.pattern.charAt(4) == dateStr.charAt(4)) { - return dateTimeUtil; - } - } - return null; - } - - /** - * 获取月的最后一天 - * - * @return - */ - public static Date getLastDayOfMonth() { - return getLastDayOfMonth(new Date(System.currentTimeMillis())); - } - - /** - * 获取月的最后一天 - * - * @param date 日期 - * @return - */ - public static Date getLastDayOfMonth(Date date) { - final Calendar instance = Calendar.getInstance(); - instance.setTime(date); - instance.set(Calendar.DAY_OF_MONTH, 1); - instance.roll(Calendar.DAY_OF_MONTH, -1); - return setTime(23, 59, 59, instance.getTime()); - } - - /** - * 获取月的第一天 - * - * @param date 日期 - * @return - */ - public static Date getFirstDayOfMonth(Date date) { - final Calendar instance = Calendar.getInstance(); - instance.setTime(date); - instance.set(Calendar.DAY_OF_MONTH, 1); - return instance.getTime(); - } - public static Date getWeekendFirstDayOfMonday(String dateStr) { - if (dateStr == null || "".equals(dateStr)) { - return null; - } - final DateTimeUtils dateTimeUtil = getDateTimeUtil(dateStr); - if (dateTimeUtil == null) { - return null; - } - try { - final Date date = dateTimeUtil.parseDate(dateStr); - return getWeekendFirstDayOfMonday(date); - } catch (ParseException e) { - e.printStackTrace(); - } - return null; - } - /** - * 以周日为第一天的获取 - * @param date - * @return - */ - public static Date getWeekendFirstDayOfMonday(Date date) { - if (date == null) { - return null; - } - final Calendar calendar = Calendar.getInstance(); - calendar.setTime(date); - calendar.setFirstDayOfWeek(Calendar.MONDAY); - calendar.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY); - return calendar.getTime(); - } - - public static Date getWeekendFirstDayOfSunday(String dateStr) { - if (dateStr == null || "".equals(dateStr)) { - return null; - } - final DateTimeUtils dateTimeUtil = getDateTimeUtil(dateStr); - if (dateTimeUtil == null) { - return null; - } - try { - final Date date = dateTimeUtil.parseDate(dateStr); - return getWeekendFirstDayOfSunday(date); - } catch (ParseException e) { - e.printStackTrace(); - } - return null; - - } - - public static Date getWeekendFirstDayOfSunday(Date date) { - if (date == null) { - return null; - } - final Calendar calendar = Calendar.getInstance(); - calendar.setTime(date); - calendar.setFirstDayOfWeek(Calendar.MONDAY); - calendar.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY); - return calendar.getTime(); - } - - /** - * 转化成对应的中文内容 - * - * @param dateStr - * @param chineseDateTimeUtil - * @return - * @throws ParseException - */ - public static String getDataChineseValue(String dateStr, DateTimeUtils chineseDateTimeUtil) throws ParseException { - String chineseData = ""; - if (dateStr == null || "".equals(dateStr)) { - return chineseData; - } - final DateTimeUtils dateTimeUtil = getDateTimeUtil(dateStr); - if (dateTimeUtil == null) { - return chineseData; - } - chineseData = chineseDateTimeUtil.formatDate(dateTimeUtil.parseDate(dateStr)); - - return chineseData; - } - - private static String[] appsName = {"字符串通过指定枚举转换成Date"}; - - public static void main(String[] args) { - Scanner scan=new Scanner(System.in); - //展示功能名称 - - String select = viewAppName(scan); - System.out.println(select); - switch (select) { - case "1": - try { - dateFormat(scan,new Date()); - } catch (InterruptedException e) { - e.printStackTrace(); - } - break; - - default: - break; - } - } - private static String viewAppName(Scanner scan) { - System.out.println("请输入序号选择功能:");//提示输入 - for (int i = 0; i < appsName.length; i++) { - System.out.println(String.format("[%d]:%s;", i+1 , appsName[i])); - } - try { - return scan.nextLine(); - } catch (Exception e) { - System.out.println("请输入正确的功能参数！！！！"); - //展示功能名称 - viewAppName(scan); - } - return "0"; - } - - /** - * 对应参数转时间类�? - * @return - * @throws InterruptedException - */ - private static void dateFormat(Scanner scan,Date date) throws InterruptedException { - DateTimeUtils[] values = DateTimeUtils.values(); - for (int i = 0; i < values.length; i++) { - DateTimeUtils dateTimeUtils = values[i]; - //转换方法的例子 - String formatDate = dateTimeUtils.formatDate(date); - System.out.println(String.format("[%d] 解析字符串转换成：%s 格式 例：%s",i, dateTimeUtils.pattern,formatDate)); - } - System.out.println("请选择解析类型"); - Thread.sleep(500); - String nextLine = scan.next(); - DateTimeUtils dateTimeUtils = null; - try { - dateTimeUtils = values[Integer.parseInt(nextLine)]; - } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) { - System.out.println("请输入正确的参数"); - dateFormat(scan,date); - return ; - } - - try { - System.out.println("请输入要解析的字符串"); - nextLine = scan.next(); - while(dateTimeUtils.len != nextLine.length()) { - System.out.println("输入字符串有误，请重新输入"); - nextLine = scan.next(); - } - System.out.println(String.format("输入字符串 %s", nextLine)); - Date parseDate = dateTimeUtils.parseDate(nextLine); - System.out.println(String.format("解析成功 解析后的时间 %s", DateTimeUtils.DATE_TIME.formatDate(parseDate))); - } catch (ParseException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } - - return; - - } - -} + } diff --git a/pom.xml b/pom.xml index a282797..c028c6a 100644 --- a/pom.xml +++ b/pom.xml @@ -27,6 +27,21 @@ 1.3 jar + + org.apache.logging.log4j + log4j-core + ${log4j.version} + + + org.apache.logging.log4j + log4j-api + ${log4j.version} + + + org.apache.logging.log4j + log4j-to-slf4j + ${log4j.version} + diff --git a/src/com/utils/DateTimeUtils.java b/src/com/utils/DateTimeUtils.java new file mode 100644 index 0000000..a449f05 --- /dev/null +++ b/src/com/utils/DateTimeUtils.java @@ -0,0 +1,483 @@ +package com.utils; + +import java.text.ParseException; +import java.text.SimpleDateFormat; +import java.time.*; +import java.time.format.DateTimeFormatter; +import java.time.temporal.TemporalQuery; +import java.util.Calendar; +import java.util.Date; +import java.util.Scanner; + + +public enum DateTimeUtils { + + /** + * 日期格式 [yyyy-MM-dd] + **/ + YEAR("yyyy", 4), + MONTH("MM", 2), + DATE("yyyy-MM-dd", 10), + DATE_FOR_EXCEL("yyyy.MM.dd", 10), + DATE_SLASH("yyyy/MM/dd", 10), + DATE_MONTH_FOR_EXCEL("yyyy-MM", 7), + DATE_MONTH_SLASH_FOR_EXCEL("yyyy/MM", 7), + TIME("HH:mm:ss", 8), + DATE_TIME("yyyy-MM-dd HH:mm:ss", 19), + DATE_TIME_FOR_EXCEL("yyyy.MM.dd HH:mm:ss", 19), + + YEAR_CHINESE("yyyy年", 5), + MONTH_CHINESE("MM月", 3), + DATE_MONTH_CHINESE("yyyy年MM月", 8), + DATE_CHINESE("yyyy年MM月dd日", 11), + DATE_TIME_CHINESE("yyyy年MM月dd日 HH时mm分ss秒", 21); + + + private final DateTimeFormatter formatter; + + String pattern; + int len; + + DateTimeUtils(String pattern, int len) { + this.pattern = pattern; + this.len = len; + this.formatter = DateTimeFormatter.ofPattern(pattern).withZone(ZoneId.systemDefault()); + } + + + /** + * 获取现在时 + * + * @return + */ + public String now() { + return formatter.format(Instant.now()); + } + + /** + * 转换成时间字符串 + */ + public String formatDate(Date date) { + return date != null ? formatter.format(date.toInstant()) : ""; + } + + public String formatIimestamp(long epochMilli) { + return formatter.format(Instant.ofEpochMilli(epochMilli)); + } + + private R parse(String date, TemporalQuery query) { + return formatter.parse(date, query); + } + + private Date parseDate(String dateStr, TemporalQuery query) { + return Date.from(parseInstant(dateStr, query)); + } + + private Instant parseInstant(String dateStr, TemporalQuery query) { + R temporal = parse(dateStr, query); + if (temporal instanceof Instant) { + return (Instant) temporal; + } + if (temporal instanceof LocalDateTime) { + return ((LocalDateTime) temporal).atZone(ZoneId.systemDefault()).toInstant(); + } + if (temporal instanceof LocalDate) { + return ((LocalDate) temporal).atStartOfDay(ZoneId.systemDefault()).toInstant(); + } + if (temporal instanceof LocalDateTime) { + LocalDate epoch = LocalDate.of(1970, 1, 1); + LocalDateTime dateTime = LocalDateTime.of(epoch, (LocalTime) temporal); + return dateTime.atZone(ZoneId.systemDefault()).toInstant(); + } + throw new DateTimeException(" Type parameter must be LocalDateTime of LocalDate of LocalTime of Instant "); + } + + /** + * 字符串转换成时间 + */ + public Date parseDate(String dateStr) throws ParseException { + return new SimpleDateFormat(pattern).parse(dateStr); + } + + /** + * 加对应数量的年单位 + */ + public static Date setYearDate(int year) { + return setDate(year, 0, 0, null); + } + + /** + * 加对应数量的年单位 + */ + public static Date setYearDate(int year, Date date) { + return setDate(year, 0, 0, date); + } + + /** + * 加对应数量的月单位 + */ + public static Date setMonthDate(int month) { + return setDate(0, month, 0, null); + } + + /** + * 加对应数量的月单位 + */ + public static Date setMonthDate(int month, Date date) { + return setDate(0, month, 0, date); + } + + /** + * 加对应数量的天单位 + */ + public static Date setDayDate(int day) { + return setDate(0, 0, day, null); + + } + + /** + * 加对应数量的天单位 + */ + public static Date setDayDate(int day, Date date) { + return setDate(0, 0, day, date); + } + + /** + * 加对应数量的年月日单位 + */ + public static Date setDate(int year, int month, int day, Date date) { + final Calendar instance = Calendar.getInstance(); + if (date != null) { + instance.setTime(date); + } + instance.add(Calendar.YEAR, year); + instance.add(Calendar.MONTH, month); + instance.add(Calendar.DATE, day); + return instance.getTime(); + } + + /** + * 加对应数量的时分秒单位 + */ + public static Date setTime(int hour, int minute, int second, Date date) { + final Calendar instance = Calendar.getInstance(); + if (date != null) { + instance.setTime(date); + } + instance.add(Calendar.HOUR_OF_DAY, hour); + instance.add(Calendar.MINUTE, minute); + instance.add(Calendar.SECOND, second); + return instance.getTime(); + } + + public String getPattern() { + return pattern; + } + + public int getLen() { + return len; + } + + /** + * 获取当周第一天 + * + * @param dateStr + * @return + */ + public static Date getFirstDayOfWeek(String dateStr) { + if (dateStr == null || "".equals(dateStr)) { + return null; + } + final DateTimeUtils dateTimeUtil = getDateTimeUtil(dateStr); + if (dateTimeUtil == null) { + return null; + } + try { + final Date date = dateTimeUtil.parseDate(dateStr); + return getFirstDayOfWeek(date); + } catch (ParseException e) { + e.printStackTrace(); + } + return null; + } + + /** + * 获取当周第一天 + * + * @param date + * @return + */ + public static Date getFirstDayOfWeek(Date date) { + if (date == null) { + return null; + } + final Calendar cal = Calendar.getInstance(); + try { + cal.setTime(date); + cal.set(Calendar.DAY_OF_WEEK, 1); + } catch (Exception e) { + e.printStackTrace(); + } + return cal.getTime(); + } + + /** + * 获取当周最后一天 + * + * @param dateStr + * @return + */ + public static Date getLastDayOfWeek(String dateStr) { + if (dateStr == null || "".equals(dateStr)) { + return null; + } + final DateTimeUtils dateTimeUtil = getDateTimeUtil(dateStr); + if (dateTimeUtil == null) { + return null; + } + try { + final Date date = dateTimeUtil.parseDate(dateStr); + return getLastDayOfWeek(date); + } catch (ParseException e) { + e.printStackTrace(); + } + return null; + } + + /** + * 获取当周最后一天 + * + * @param date + * @return + */ + public static Date getLastDayOfWeek(Date date) { + final Calendar cal = Calendar.getInstance(); + try { + cal.setTime(date); + cal.set(Calendar.DAY_OF_WEEK, 1); + cal.set(Calendar.DATE, cal.get(Calendar.DATE) + 6); + } catch (Exception e) { + e.printStackTrace(); + } + return cal.getTime(); + } + + /** + * 获取时间枚举工具类 + * + * @param dateStr + * @return + */ + public static DateTimeUtils getDateTimeUtil(String dateStr) { + if (null == dateStr) { + return null; + } + DateTimeUtils[] values = DateTimeUtils.values(); + for (int i = 0; i < values.length; i++) { + DateTimeUtils dateTimeUtil = values[i]; + if (dateTimeUtil.len == dateStr.length() && dateTimeUtil.pattern.charAt(4) == dateStr.charAt(4)) { + return dateTimeUtil; + } + } + return null; + } + + /** + * 获取月的最后一天 + * + * @return + */ + public static Date getLastDayOfMonth() { + return getLastDayOfMonth(new Date(System.currentTimeMillis())); + } + + /** + * 获取月的最后一天 + * + * @param date 日期 + * @return + */ + public static Date getLastDayOfMonth(Date date) { + final Calendar instance = Calendar.getInstance(); + instance.setTime(date); + instance.set(Calendar.DAY_OF_MONTH, 1); + instance.roll(Calendar.DAY_OF_MONTH, -1); + return setTime(23, 59, 59, instance.getTime()); + } + + /** + * 获取月的第一天 + * + * @param date 日期 + * @return + */ + public static Date getFirstDayOfMonth(Date date) { + final Calendar instance = Calendar.getInstance(); + instance.setTime(date); + instance.set(Calendar.DAY_OF_MONTH, 1); + return instance.getTime(); + } + public static Date getWeekendFirstDayOfMonday(String dateStr) { + if (dateStr == null || "".equals(dateStr)) { + return null; + } + final DateTimeUtils dateTimeUtil = getDateTimeUtil(dateStr); + if (dateTimeUtil == null) { + return null; + } + try { + final Date date = dateTimeUtil.parseDate(dateStr); + return getWeekendFirstDayOfMonday(date); + } catch (ParseException e) { + e.printStackTrace(); + } + return null; + } + /** + * 以周日为第一天的获取 + * @param date + * @return + */ + public static Date getWeekendFirstDayOfMonday(Date date) { + if (date == null) { + return null; + } + final Calendar calendar = Calendar.getInstance(); + calendar.setTime(date); + calendar.setFirstDayOfWeek(Calendar.MONDAY); + calendar.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY); + return calendar.getTime(); + } + + public static Date getWeekendFirstDayOfSunday(String dateStr) { + if (dateStr == null || "".equals(dateStr)) { + return null; + } + final DateTimeUtils dateTimeUtil = getDateTimeUtil(dateStr); + if (dateTimeUtil == null) { + return null; + } + try { + final Date date = dateTimeUtil.parseDate(dateStr); + return getWeekendFirstDayOfSunday(date); + } catch (ParseException e) { + e.printStackTrace(); + } + return null; + + } + + public static Date getWeekendFirstDayOfSunday(Date date) { + if (date == null) { + return null; + } + final Calendar calendar = Calendar.getInstance(); + calendar.setTime(date); + calendar.setFirstDayOfWeek(Calendar.MONDAY); + calendar.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY); + return calendar.getTime(); + } + + /** + * 转化成对应的中文内容 + * + * @param dateStr + * @param chineseDateTimeUtil + * @return + * @throws ParseException + */ + public static String getDataChineseValue(String dateStr, DateTimeUtils chineseDateTimeUtil) throws ParseException { + String chineseData = ""; + if (dateStr == null || "".equals(dateStr)) { + return chineseData; + } + final DateTimeUtils dateTimeUtil = getDateTimeUtil(dateStr); + if (dateTimeUtil == null) { + return chineseData; + } + chineseData = chineseDateTimeUtil.formatDate(dateTimeUtil.parseDate(dateStr)); + + return chineseData; + } + + private static String[] appsName = {"字符串通过指定枚举转换成Date"}; + + public static void main(String[] args) { + Scanner scan=new Scanner(System.in); + //展示功能名称 + + String select = viewAppName(scan); + System.out.println(select); + switch (select) { + case "1": + try { + dateFormat(scan,new Date()); + } catch (InterruptedException e) { + e.printStackTrace(); + } + break; + + default: + break; + } + } + private static String viewAppName(Scanner scan) { + System.out.println("请输入序号选择功能:");//提示输入 + for (int i = 0; i < appsName.length; i++) { + System.out.println(String.format("[%d]:%s;", i+1 , appsName[i])); + } + try { + return scan.nextLine(); + } catch (Exception e) { + System.out.println("请输入正确的功能参数！！！！"); + //展示功能名称 + viewAppName(scan); + } + return "0"; + } + + /** + * 对应参数转时间类�? + * @return + * @throws InterruptedException + */ + private static void dateFormat(Scanner scan,Date date) throws InterruptedException { + DateTimeUtils[] values = DateTimeUtils.values(); + for (int i = 0; i < values.length; i++) { + DateTimeUtils dateTimeUtils = values[i]; + //转换方法的例子 + String formatDate = dateTimeUtils.formatDate(date); + System.out.println(String.format("[%d] 解析字符串转换成：%s 格式 例：%s",i, dateTimeUtils.pattern,formatDate)); + } + System.out.println("请选择解析类型"); + Thread.sleep(500); + String nextLine = scan.next(); + DateTimeUtils dateTimeUtils = null; + try { + dateTimeUtils = values[Integer.parseInt(nextLine)]; + } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) { + System.out.println("请输入正确的参数"); + dateFormat(scan,date); + return ; + } + + try { + System.out.println("请输入要解析的字符串"); + nextLine = scan.next(); + while(dateTimeUtils.len != nextLine.length()) { + System.out.println("输入字符串有误，请重新输入"); + nextLine = scan.next(); + } + System.out.println(String.format("输入字符串 %s", nextLine)); + Date parseDate = dateTimeUtils.parseDate(nextLine); + System.out.println(String.format("解析成功 解析后的时间 %s", DateTimeUtils.DATE_TIME.formatDate(parseDate))); + } catch (ParseException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + return; + + } + +} -- GitLab