From fb885c8bff26484f2bb21e697f182cc35bc4fa63 Mon Sep 17 00:00:00 2001
From: yujian <yujian@163.com>
Date: 星期二, 12 五月 2020 15:27:08 +0800
Subject: [PATCH] 2.1.1 新需求
---
utils/src/main/java/org/yeshi/utils/DateUtil.java | 141 ++++++++++++++++++++++++++++++++++++----------
1 files changed, 109 insertions(+), 32 deletions(-)
diff --git a/utils/src/main/java/org/yeshi/utils/DateUtil.java b/utils/src/main/java/org/yeshi/utils/DateUtil.java
index 08105a9..0b84ec1 100644
--- a/utils/src/main/java/org/yeshi/utils/DateUtil.java
+++ b/utils/src/main/java/org/yeshi/utils/DateUtil.java
@@ -85,7 +85,7 @@
dateInfo.setSecond(second);
return dateInfo;
}
-
+
public static String dateDiff4(Date startTime, Date endTime) throws Exception {
String datatime = "0鍒�";
@@ -125,7 +125,7 @@
long hour = diff % nd / nh;// 璁＄畻宸灏戝皬鏃�
long min = diff % nd % nh / nm;// 璁＄畻宸灏戝垎閽�
long second = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60); // 璁＄畻宸灏戠
-
+
String datatime = "";
if (day > 0) {
datatime = day + "澶�";
@@ -133,13 +133,12 @@
datatime = hour + "灏忔椂";
} else if (min > 0) {
datatime = min + "鍒嗛挓";
- } else if(second > 0) {
+ } else if (second > 0) {
datatime = second + "绉�";
}
return datatime;
}
-
-
+
public static long dateDiffMin(Date startTime, Date endTime) throws Exception {
long nm = 1000 * 60;// 涓�鍒嗛挓鐨勬绉掓暟
long nh = 1000 * 60 * 60;// 涓�灏忔椂鐨勬绉掓暟
@@ -149,12 +148,10 @@
long diff = endTime.getTime() - startTime.getTime();
long day = diff / nd;// 璁＄畻宸灏戝ぉ
long hour = diff % nd / nh;// 璁＄畻宸灏戝皬鏃�
- long min = diff % nd % nh / nm + day * 24 * 60 + hour * 60;// 璁＄畻宸灏戝垎閽�
+ long min = diff % nd % nh / nm + day * 24 * 60 + hour * 60;// 璁＄畻宸灏戝垎閽�
return min;
}
-
-
-
+
/**
* 閫氳繃鏃堕棿绉掓绉掓暟鍒ゆ柇涓や釜鏃堕棿鐨勯棿闅�
*
@@ -246,7 +243,7 @@
return format.format(ca.getTime());
}
-
+
/**
* 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
*
@@ -282,7 +279,6 @@
return format.format(ca.getTime());
}
-
/**
* 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
*
@@ -297,9 +293,10 @@
ca.add(Calendar.DATE, num);
return ca.getTime();
}
-
+
/**
* 鍔犱笂鏈堜唤
+ *
* @param currdate
* @param num
* @return
@@ -310,9 +307,10 @@
ca.add(Calendar.MONTH, num);
return ca.getTime();
}
-
+
/**
* 鍔犱笂骞翠唤
+ *
* @param currdate
* @param num
* @return
@@ -324,6 +322,19 @@
return ca.getTime();
}
+ /**
+ * 鍑忓幓鏈堜唤
+ *
+ * @param currdate
+ * @param num
+ * @return
+ */
+ public static Date reduceMonth(Date currdate, int num) {
+ Calendar ca = Calendar.getInstance();
+ ca.setTime(currdate);
+ ca.add(Calendar.MONTH, -num);
+ return ca.getTime();
+ }
/**
* 鎸囧畾鏃ユ湡鍑忓幓澶╂暟鍚庣殑鏃ユ湡
@@ -365,7 +376,7 @@
return format.format(ca.getTime());
}
-
+
/**
* 鎸囧畾鏃ユ湡鍑忓幓澶╂暟鍚庣殑鏃ユ湡
*
@@ -505,20 +516,20 @@
* 璁＄畻涓ゆ椂闂存湀宸�
*
* @param startDate <String>
- * @param endDate <String>
+ * @param endDate <String>
* @return int
* @throws ParseException
*/
public static int getMonthSpace(String startDate, String endDate) throws ParseException {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
- return getMonthSpace(sdf.parse(startDate), sdf.parse(endDate));
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
+ return getMonthSpace(sdf.parse(startDate), sdf.parse(endDate));
}
/**
* 璁＄畻涓ゆ椂闂存湀宸�
*
* @param startDate <String>
- * @param endDate <String>
+ * @param endDate <String>
* @return int
* @throws ParseException
*/
@@ -528,32 +539,98 @@
start.setTime(startDate);
end.setTime(endDate);
int result = end.get(Calendar.MONTH) - start.get(Calendar.MONTH);
- int month = (end.get(Calendar.YEAR) - start.get(Calendar.YEAR)) * 12;
+ int month = (end.get(Calendar.YEAR) - start.get(Calendar.YEAR)) * 12;
return Math.abs(month + result);
}
-
public static Date getTodayStartTime() {
Calendar todayStart = Calendar.getInstance();
- todayStart.set(Calendar.HOUR_OF_DAY,0);
- todayStart.set(Calendar.MINUTE,0);
- todayStart.set(Calendar.SECOND,0);
- todayStart.set(Calendar.MILLISECOND,0);
+ todayStart.set(Calendar.HOUR_OF_DAY, 0);
+ todayStart.set(Calendar.MINUTE, 0);
+ todayStart.set(Calendar.SECOND, 0);
+ todayStart.set(Calendar.MILLISECOND, 0);
return todayStart.getTime();
}
-
+
public static Date getTodayEndTime() {
Calendar todayEnd = Calendar.getInstance();
- todayEnd.set(Calendar.HOUR_OF_DAY,23);
- todayEnd.set(Calendar.MINUTE,59);
- todayEnd.set(Calendar.SECOND,59);
- todayEnd.set(Calendar.MILLISECOND,999);
+ todayEnd.set(Calendar.HOUR_OF_DAY, 23);
+ todayEnd.set(Calendar.MINUTE, 59);
+ todayEnd.set(Calendar.SECOND, 59);
+ todayEnd.set(Calendar.MILLISECOND, 999);
return todayEnd.getTime();
}
-
+
+ /**
+ * 鑾峰彇鎸囧畾骞存湀鐨勭涓�澶�
+ *
+ * @param yearMonth
+ * @return
+ */
+ public static String getFirstDayOfMonth(String yearMonth) {
+ int year = Integer.parseInt(yearMonth.split("-")[0]); // 骞�
+ int month = Integer.parseInt(yearMonth.split("-")[1]); // 鏈�
+ return getFirstDayOfMonth(year, month);
+ }
+
+ /**
+ * 鑾峰彇鎸囧畾骞存湀鐨勭涓�澶�
+ *
+ * @param year
+ * @param month
+ * @return
+ */
+ public static String getFirstDayOfMonth(int year, int month) {
+ Calendar cal = Calendar.getInstance();
+ // 璁剧疆骞翠唤
+ cal.set(Calendar.YEAR, year);
+ // 璁剧疆鏈堜唤
+ cal.set(Calendar.MONTH, month - 1);
+ // 鑾峰彇鏌愭湀鏈�灏忓ぉ鏁�
+ int firstDay = cal.getMinimum(Calendar.DATE);
+ // 璁剧疆鏃ュ巻涓湀浠界殑鏈�灏忓ぉ鏁�
+ cal.set(Calendar.DAY_OF_MONTH, firstDay);
+ // 鏍煎紡鍖栨棩鏈�
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+ return sdf.format(cal.getTime());
+ }
+
+ /**
+ * 鑾峰彇鎸囧畾骞存湀鐨勬渶鍚庝竴澶�
+ *
+ * @param yearMonth
+ * @return
+ */
+ public static String getLastDayOfMonth(String yearMonth) {
+ int year = Integer.parseInt(yearMonth.split("-")[0]); // 骞�
+ int month = Integer.parseInt(yearMonth.split("-")[1]); // 鏈�
+ return getLastDayOfMonth(year, month);
+ }
+
+ /**
+ * 鑾峰彇鎸囧畾骞存湀鐨勬渶鍚庝竴澶�
+ *
+ * @param year
+ * @param month
+ * @return
+ */
+ public static String getLastDayOfMonth(int year, int month) {
+ Calendar cal = Calendar.getInstance();
+ // 璁剧疆骞翠唤
+ cal.set(Calendar.YEAR, year);
+ // 璁剧疆鏈堜唤
+ cal.set(Calendar.MONTH, month - 1);
+ // 鑾峰彇鏌愭湀鏈�澶уぉ鏁�
+ int lastDay = cal.getActualMaximum(Calendar.DATE);
+ // 璁剧疆鏃ュ巻涓湀浠界殑鏈�澶уぉ鏁�
+ cal.set(Calendar.DAY_OF_MONTH, lastDay);
+ // 鏍煎紡鍖栨棩鏈�
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+ return sdf.format(cal.getTime());
+ }
public static void main(String[] args) throws ParseException {
- System.out.println(getMonthSpace("2012-02", "2012-02"));
- }
+ System.out.println(getMonthSpace("2012-02", "2012-02"));
+ }
}
\ No newline at end of file
--
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