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Java_02
提交 ad4a2b07 编写于 作者: 6 63e4982b46941e4a09ad57ad
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Sat May 6 06:51:00 UTC 2023 inscode

上级 afc3f531
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Showing with 500 addition and 472 deletion
Main.java
浏览文件 @ ad4a2b07
...@@ -7,480 +7,10 @@ import java.time.temporal.TemporalQuery; ...@@ -7,480 +7,10 @@ import java.time.temporal.TemporalQuery;
import java.util.Calendar; import java.util.Calendar;
import java.util.Date; import java.util.Date;
import java.util.Scanner; import java.util.Scanner;
import com.utils.DateTimeUtils;
class Main { class Main {
public static void main(String[] args) { public static void main(String[] args) {
DateTimeUtils.main(args); DateTimeUtils.main(args);
} }
public enum DateTimeUtils {
/**
* 日期格式 <code>[yyyy-MM-dd]</code>
**/
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> R parse(String date, TemporalQuery<R> query) {
return formatter.parse(date, query);
}
private <R> Date parseDate(String dateStr, TemporalQuery<R> query) {
return Date.from(parseInstant(dateStr, query));
}
private <R> Instant parseInstant(String dateStr, TemporalQuery<R> 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;
}
}
} }
pom.xml
浏览文件 @ ad4a2b07
...@@ -27,6 +27,21 @@ ...@@ -27,6 +27,21 @@
<version>1.3</version> <version>1.3</version>
<type>jar</type> <type>jar</type>
</dependency> </dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-to-slf4j</artifactId>
<version>${log4j.version}</version>
</dependency>
</dependencies> </dependencies>
<build> <build>
<plugins> <plugins>
......
src/com/utils/DateTimeUtils.java 0 → 100644
浏览文件 @ ad4a2b07
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 <code>[yyyy-MM-dd]</code>
**/
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> R parse(String date, TemporalQuery<R> query) {
return formatter.parse(date, query);
}
private <R> Date parseDate(String dateStr, TemporalQuery<R> query) {
return Date.from(parseInstant(dateStr, query));
}
private <R> Instant parseInstant(String dateStr, TemporalQuery<R> 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;
}
}
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