From dd6687b118561100e1677e88a9c2f5842a54c531 Mon Sep 17 00:00:00 2001
From: jialh <1972868360@qq.com>
Date: 星期四, 16 四月 2026 18:14:14 +0800
Subject: [PATCH] 水电话费
---
java110-utils/src/main/java/com/java110/utils/util/DateUtil.java | 87 +++++++++++++++++++++++++++++++++++++++----
1 files changed, 79 insertions(+), 8 deletions(-)
diff --git a/java110-utils/src/main/java/com/java110/utils/util/DateUtil.java b/java110-utils/src/main/java/com/java110/utils/util/DateUtil.java
index 8ac38bf..b615608 100755
--- a/java110-utils/src/main/java/com/java110/utils/util/DateUtil.java
+++ b/java110-utils/src/main/java/com/java110/utils/util/DateUtil.java
@@ -6,21 +6,50 @@
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Duration;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.Period;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
import java.util.*;
/**
* Created by wuxw on 2017/7/24.
*/
public class DateUtil {
+ public static final String DATE_FORMATE_STRING_MILLI = "yyyyMMddHHmmssSSS"; // 17浣嶏細骞存湀鏃ユ椂鍒嗙姣
private static DateFormat dateFormat = new SimpleDateFormat("yyyyMMddhhmmss");
public static final String LAST_TIME = "2050-01-01 00:00:00";
+ public static int getTotalDaysInMonth(int year, int month) {
+ LocalDate date = LocalDate.of(year, month, 1); // 鍒涘缓涓�涓棩鏈熷璞★紝骞翠唤鍜屾湀浠戒负鎸囧畾鍊硷紝鏃ユ湡涓�1鍙�
+ return date.lengthOfMonth(); // 杩斿洖璇ユ湀鐨勫ぉ鏁�
+ }
+ private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+
+ public static boolean isValidDate(String dateStr) {
+ // 鉁� 鍏抽敭淇锛氬厛褰诲簳鍘婚櫎鍓嶅悗绌虹櫧锛堝寘鎷┖鏍笺�佸埗琛ㄧ銆佹崲琛岋級
+ if (dateStr == null || dateStr.isEmpty()) {
+ return true;
+ }
+
+ // 鍘绘帀鎵�鏈夌┖鐧藉悗鍐嶆牎楠�
+ String cleanDate = dateStr.trim();
+
+ try {
+ LocalDate.parse(cleanDate, DATE_FORMATTER);
+ return true;
+ } catch (DateTimeParseException e) {
+ return false;
+ }
+ }
private static Map<String, SimpleDateFormat> formats = new HashMap();
public static final String DATE_FORMATE_STRING_DEFAULT = "yyyyMMddHHmmss";
public static final String DATE_FORMATE_STRING_A = "yyyy-MM-dd HH:mm:ss";
public static final String DATE_FORMATE_STRING_B = "yyyy-MM-dd";
+ public static final String DATE_FORMATE_STRING_SLASH_NON_ZERO = "yyyy/M/d";
public static final String DATE_FORMATE_STRING_C = "MM/dd/yyyy HH:mm:ss a";
public static final String DATE_FORMATE_STRING_D = "yyyy-MM-dd HH:mm:ss a";
public static final String DATE_FORMATE_STRING_E = "yyyy-MM-dd'T'HH:mm:ss'Z'";
@@ -35,12 +64,14 @@
public static final String DATE_FORMATE_STRING_N = "HHmmss";
public static final String DATE_FORMATE_STRING_O = "yyyyMMddHHmm";
public static final String DATE_FORMATE_STRING_Q = "yyyy-MM";
+ private static final DateTimeFormatter DEFAULT_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
static {
formats.put("yyyyMMddHHmmss", new SimpleDateFormat("yyyyMMddHHmmss"));
formats.put("yyyy-MM-dd HH:mm:ss", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
formats.put("yyyy-MM-dd", new SimpleDateFormat("yyyy-MM-dd"));
+ formats.put("yyyy/MM/dd", new SimpleDateFormat("yyyy/M/d"));
formats.put("MM/dd/yyyy HH:mm:ss a", new SimpleDateFormat("MM/dd/yyyy HH:mm:ss a"));
formats.put("yyyy-MM-dd HH:mm:ss a", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss a"));
formats.put("yyyy-MM-dd'T'HH:mm:ss'Z'", new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'"));
@@ -511,15 +542,7 @@
return a.getActualMaximum(Calendar.DAY_OF_MONTH);
}
- public static void main(String[] args) throws ParseException {
-// SimpleDateFormat sf = new SimpleDateFormat(DateUtil.DATE_FORMATE_STRING_A);
-// Calendar c = Calendar.getInstance();
-// c.setTime(DateUtil.getDateFromString("2021-12-03",DateUtil.DATE_FORMATE_STRING_A));
-// c.add(Calendar.DAY_OF_MONTH, 125);
-// System.out.println("澧炲姞涓�澶╁悗鏃ユ湡:"+sf.format(c.getTime()));
- System.out.println("2021-12-07".compareTo(DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_B)));
- }
public static String getAddDayString(Date date, String pattern, int days) {
SimpleDateFormat sf = new SimpleDateFormat(pattern);
@@ -1014,4 +1037,52 @@
return result.toString();
}
+
+ /**
+ * 璁＄畻涓や釜瀛楃涓叉棩鏈熶箣闂寸殑鏈堟暟锛堣秴杩囦竴涓暣鏈堝垯+1锛�
+ * @param startDateStr 寮�濮嬫棩鏈熷瓧绗︿覆
+ * @param endDateStr 缁撴潫鏃ユ湡瀛楃涓�
+ * @return 鏈堟暟宸�
+ */
+ public static int calculateMonths(String startDateStr, String endDateStr) {
+ startDateStr = dateTimeToDate(startDateStr);
+ endDateStr = dateTimeToDate(endDateStr);
+ // 瑙ｆ瀽鏃堕棿瀛楃涓蹭负LocalDateTime
+ LocalDateTime start = LocalDateTime.parse(startDateStr + " 00:00:00", DEFAULT_FORMATTER);
+ LocalDateTime end = LocalDateTime.parse(endDateStr + " 23:59:59", DEFAULT_FORMATTER);
+
+ // 纭繚寮�濮嬫椂闂村湪缁撴潫鏃堕棿涔嬪墠
+ if (start.isAfter(end)) {
+ LocalDateTime temp = start;
+ start = end;
+ end = temp;
+ }
+
+ // 鎻愬彇鏃ユ湡閮ㄥ垎璁＄畻瀹屾暣鏈堟暟
+ Period period = Period.between(start.toLocalDate(), end.toLocalDate());
+ int fullMonths = period.getYears() * 12 + period.getMonths();
+
+ // 璁＄畻瀹屾暣鏈堟暟鍚庣殑鐩爣鏃堕棿锛堢敤浜庡垽鏂槸鍚﹀垰濂芥暣鏈堬級
+ LocalDateTime targetTime = start.plusYears(period.getYears()).plusMonths(period.getMonths());
+
+ // 鍒ゆ柇瀹為檯缁撴潫鏃堕棿鏄惁瓒呰繃鐩爣鏃堕棿锛堝嵆瀛樺湪棰濆鏃堕棿锛�
+ boolean hasExtraTime = end.isAfter(targetTime);
+
+ // 鏈夐澶栨椂闂村垯鍔�1涓湀
+ if (hasExtraTime) {
+ fullMonths++;
+ }
+ return fullMonths;
+ }
+
+ public static void main(String[] args) throws ParseException {
+
+// SimpleDateFormat sf = new SimpleDateFormat(DateUtil.DATE_FORMATE_STRING_A);
+// Calendar c = Calendar.getInstance();
+// c.setTime(DateUtil.getDateFromString("2021-12-03",DateUtil.DATE_FORMATE_STRING_A));
+// c.add(Calendar.DAY_OF_MONTH, 125);
+// System.out.println("澧炲姞涓�澶╁悗鏃ユ湡:"+sf.format(c.getTime()));
+ System.out.println(calculateMonths("2025-02-01 00:00:00", "2025-02-28"));
+ }
+
}
--
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