优化时间转换工具类
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@ -1,12 +1,16 @@
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package com.xkrs.utils;
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import java.time.*;
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import java.time.Instant;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.time.ZoneOffset;
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import java.time.format.DateTimeFormatter;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* 日期时间工具
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*
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* @author tajochen
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*/
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public class DateTimeUtil {
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@ -19,16 +23,26 @@ public class DateTimeUtil {
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/**
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* 字符串转LocalDate
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*
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* @param date
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* @return
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*/
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public static LocalDate stringToDate(String date) {
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assert date != null;
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return LocalDate.parse(date, COMMON_FORMATTER_DATE);
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LocalDate parse = null;
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try {
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parse = LocalDate.parse(date, COMMON_FORMATTER_DATE);
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} catch (Exception e) {
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e.printStackTrace();
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}
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if (parse == null) {
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return LocalDate.parse(date, COMMON_FORMATTER_DATETIME);
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}
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return parse;
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}
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/**
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* LocalDate转字符串
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*
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* @param date
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* @return
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*/
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@ -39,6 +53,7 @@ public class DateTimeUtil {
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/**
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* LocalDateTime转字符串
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*
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* @param dateTime
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* @return
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*/
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@ -49,16 +64,26 @@ public class DateTimeUtil {
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/**
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* 字符串转LocalDateTime
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* @param dateStr
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*
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* @param date
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* @return
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*/
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public static LocalDateTime stringToDateTime(String dateStr) {
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assert dateStr != null;
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return LocalDateTime.parse(dateStr, COMMON_FORMATTER_DATETIME);
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public static LocalDateTime stringToDateTime(String date) {
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LocalDateTime parse = null;
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try {
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parse = LocalDateTime.parse(date, COMMON_FORMATTER_DATETIME);
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} catch (Exception e) {
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e.printStackTrace();
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}
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if (parse == null) {
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return LocalDateTime.parse(date, COMMON_FORMATTER_DATE);
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}
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return parse;
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}
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/**
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* 字符串转Instant时间戳
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*
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* @param str
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* @return
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*/
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@ -69,6 +94,7 @@ public class DateTimeUtil {
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/**
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* LocalDateTime转字符串（格式化）
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*
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* @param dateTime
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* @param formatter
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* @return
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@ -80,6 +106,7 @@ public class DateTimeUtil {
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/**
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* 字符串转LocalDateTime（格式化）
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*
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* @param dateStr
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* @param formatter
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* @return
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@ -91,10 +118,11 @@ public class DateTimeUtil {
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/**
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* 字符串转 local date
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*
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* @param dateStr
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* @return
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*/
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public static LocalDate stringToDateFormatter(String dateStr){
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public static LocalDate stringToDateFormatter(String dateStr) {
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LocalDate date = LocalDate.parse(dateStr, COMMON_FORMATTER_DATE);
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return date;
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}
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@ -102,6 +130,7 @@ public class DateTimeUtil {
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/**
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* 日期转时间戳
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*
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* @param dateTime
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* @return
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*/
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@ -112,6 +141,7 @@ public class DateTimeUtil {
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/**
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* 时间戳转日期
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*
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* @param timeMillis
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* @return
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*/
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@ -122,6 +152,7 @@ public class DateTimeUtil {
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/**
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* 时间戳转时间
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*
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* @param timeMillis
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* @return
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*/
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@ -132,16 +163,18 @@ public class DateTimeUtil {
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/**
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* 时间戳转时间再转字符串
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*
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* @param timeMillis
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* @return
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*/
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public static String timeMillisToString(long timeMillis){
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public static String timeMillisToString(long timeMillis) {
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LocalDateTime localDateTime = LocalDateTime.ofEpochSecond(timeMillis, 0, ZoneOffset.ofHours(8));
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return COMMON_FORMATTER_DATETIME.format(localDateTime);
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}
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/**
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* 获取当前时间 hh:mm:ss:nnn
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*
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* @return
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*/
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public static LocalDateTime getNowTime() {
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@ -151,6 +184,7 @@ public class DateTimeUtil {
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/**
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* 获取当前日期 yyyy-MM-dd
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*
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* @return
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*/
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public static LocalDate getToday() {
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@ -160,6 +194,7 @@ public class DateTimeUtil {
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/**
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* 获取当前 Instant 时间戳
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*
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* @return
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*/
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public static Instant getInstant() {
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@ -169,29 +204,26 @@ public class DateTimeUtil {
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/**
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* 获取当前时间 yyyy-MM-ss hh:mm:ss
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*
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* @return
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*/
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public static String getNowTimeStr(){
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public static String getNowTimeStr() {
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return COMMON_FORMATTER_DATETIME.format(getNowTime());
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}
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/**
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* 判断日期格式是否合法 "yyyy-MM-dd"
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*
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* @param strDate
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* @return
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*/
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public static boolean isValidDate(String strDate) {
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final int minLen = 10;
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if(strDate == null || strDate.length() < minLen) {
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if (strDate == null || strDate.length() < minLen) {
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return false;
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}
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//正则表达式校验日期格式 yyyy-MM-dd
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String eL = "(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})-(((0[13578]|1[02])-" +
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"(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)-(0[1-9]|[12][0-9]|30))|(02-(0[1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})" +
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"(0[48]|[2468][048]|[13579][26])|((0[48]|[2468][048]|[3579][26])00))-02-29)(([0-9]{3}[1-9]|[0-9]{2}[1-9]" +
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"[0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})-(((0[13578]|1[02])-(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)-" +
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"(0[1-9]|[12][0-9]|30))|(02-(0[1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})(0[48]|[2468][048]|[13579][26])|" +
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"((0[48]|[2468][048]|[3579][26])00))-02-29)";
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String eL = "(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})-(((0[13578]|1[02])-" + "(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)-(0[1-9]|[12][0-9]|30))|(02-(0[1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})" + "(0[48]|[2468][048]|[13579][26])|((0[48]|[2468][048]|[3579][26])00))-02-29)(([0-9]{3}[1-9]|[0-9]{2}[1-9]" + "[0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})-(((0[13578]|1[02])-(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)-" + "(0[1-9]|[12][0-9]|30))|(02-(0[1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})(0[48]|[2468][048]|[13579][26])|" + "((0[48]|[2468][048]|[3579][26])00))-02-29)";
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Pattern pat = Pattern.compile(eL);
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Matcher matcher = pat.matcher(strDate);
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return matcher.matches();
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@ -199,6 +231,7 @@ public class DateTimeUtil {
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/**
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* 判断时间格式 格式必须为 "YYYY-MM-DD HH:mm:ss"
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*
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* @param sDateTime
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* @return
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*/
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@ -207,11 +240,7 @@ public class DateTimeUtil {
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if ((sDateTime == null) || (sDateTime.length() < minLen)) {
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return false;
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}
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String eL = "(((01[0-9]{2}|0[2-9][0-9]{2}|[1-9][0-9]{3})-(0?[13578]|1[02])-" +
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"(0?[1-9]|[12]\\\\d|3[01]))|((01[0-9]{2}|0[2-9][0-9]{2}|[1-9][0-9]{3})-" +
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"(0?[13456789]|1[012])-(0?[1-9]|[12]\\\\d|30))|((01[0-9]{2}|0[2-9][0-9]{2}|[1-9][0-9]{3})-0?2-" +
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"(0?[1-9]|1\\\\d|2[0-8]))|(((1[6-9]|[2-9]\\\\d)(0[48]|[2468][048]|[13579][26])|((04|08|12|16|[2468][048]|" +
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"[3579][26])00))-0?2-29)) (20|21|22|23|[0-1]?\\\\d):[0-5]?\\\\d:[0-5]?\\\\d";
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String eL = "(((01[0-9]{2}|0[2-9][0-9]{2}|[1-9][0-9]{3})-(0?[13578]|1[02])-" + "(0?[1-9]|[12]\\\\d|3[01]))|((01[0-9]{2}|0[2-9][0-9]{2}|[1-9][0-9]{3})-" + "(0?[13456789]|1[012])-(0?[1-9]|[12]\\\\d|30))|((01[0-9]{2}|0[2-9][0-9]{2}|[1-9][0-9]{3})-0?2-" + "(0?[1-9]|1\\\\d|2[0-8]))|(((1[6-9]|[2-9]\\\\d)(0[48]|[2468][048]|[13579][26])|((04|08|12|16|[2468][048]|" + "[3579][26])00))-0?2-29)) (20|21|22|23|[0-1]?\\\\d):[0-5]?\\\\d:[0-5]?\\\\d";
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Pattern pat = Pattern.compile(eL);
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Matcher matcher = pat.matcher(sDateTime);
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return matcher.matches();
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