From 5eadf208bc38b0002f127217e479aa5353228ec8 Mon Sep 17 00:00:00 2001
From: yujian <yujian>
Date: 星期四, 14 二月 2019 17:08:41 +0800
Subject: [PATCH] 迁移
---
fanli-utils/src/main/java/org/yeshi/utils/DateUtil.java | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 112 insertions(+), 0 deletions(-)
diff --git a/fanli-utils/src/main/java/org/yeshi/utils/DateUtil.java b/fanli-utils/src/main/java/org/yeshi/utils/DateUtil.java
index b0718d9..d625707 100644
--- a/fanli-utils/src/main/java/org/yeshi/utils/DateUtil.java
+++ b/fanli-utils/src/main/java/org/yeshi/utils/DateUtil.java
@@ -2,8 +2,10 @@
import java.text.ParseException;
import java.text.SimpleDateFormat;
+import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
+import java.util.List;
public class DateUtil {
@@ -96,5 +98,115 @@
return false;
}
}
+
+
+ /**
+ * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
+ *
+ * @param num
+ * 澧炲姞鐨勫ぉ鏁�
+ * @param nowDate
+ * 鍒涘缓鏃堕棿
+ * @return
+ * @throws ParseException
+ */
+ public static String plusDay(int num, String nowDate) throws ParseException {
+ SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
+ Date currdate = format.parse(nowDate);
+
+ Calendar ca = Calendar.getInstance();
+ ca.setTime(currdate);
+ ca.add(Calendar.DATE, num);
+
+ return format.format(ca.getTime());
+ }
+
+ /**
+ * 鎸囧畾鏃ユ湡鍑忓幓澶╂暟鍚庣殑鏃ユ湡
+ *
+ * @param num
+ * 鍑忓幓鐨勫ぉ鏁�
+ * @param nowDate
+ * 鍒涘缓鏃堕棿
+ * @return
+ * @throws ParseException
+ */
+ public static String reduceDay(int num, String nowDate) throws ParseException {
+ SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
+ Date currdate = format.parse(nowDate);
+
+ Calendar ca = Calendar.getInstance();
+ ca.setTime(currdate);
+ ca.add(Calendar.DATE, -num); // 鏃ユ湡鍑� 濡傛灉涓嶅鍑忎細灏嗘湀鍙樺姩
+
+ return format.format(ca.getTime());
+ }
+
+ public static List<String> getDateMonthList(Date beginDate, Date endDate) {
+ Calendar endCalendar = Calendar.getInstance();
+ endCalendar.setTime(endDate);
+
+ Calendar beginCalendar = Calendar.getInstance();
+ beginCalendar.setTime(beginDate);
+
+ int month = beginCalendar.get(Calendar.MONTH) - endCalendar.get(Calendar.MONTH);
+ List<String> list = new ArrayList<String>();
+ SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM");
+ for (int ii = month; ii < 0; ii++) {
+ Calendar ca = Calendar.getInstance();
+ ca.set(Calendar.DAY_OF_MONTH, 1);
+ ca.set(Calendar.MONTH, (ca.get(Calendar.MONTH)) + ii + 1);
+ String format = dateFormat.format(ca.getTime());
+ list.add(format);
+ }
+ return list;
+ }
+
+ public static List<String> getDateMonthList(int month, Date date) {
+ List<String> list = new ArrayList<String>();
+ SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM");
+ Calendar ca;
+ for (int ii = -month; ii < 0; ii++) {
+ ca = Calendar.getInstance();
+ ca.setTime(date);
+ ca.set(Calendar.DAY_OF_MONTH, 1);
+ ca.set(Calendar.MONTH, (ca.get(Calendar.MONTH)) + ii + 1);
+ String format = dateFormat.format(ca.getTime());
+ list.add(format);
+ }
+ return list;
+ }
+
+ public static int countMonths(String date1, String date2) throws ParseException {
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+
+ Calendar c1 = Calendar.getInstance();
+ Calendar c2 = Calendar.getInstance();
+
+ c1.setTime(sdf.parse(date1));
+ c2.setTime(sdf.parse(date2));
+
+ int year = c2.get(Calendar.YEAR) - c1.get(Calendar.YEAR);
+
+ // 锟�?锟斤拷鏃ユ湡鑻ュ皬鏈堢粨鏉熸棩锟�?
+ if (year < 0) {
+ year = -year;
+ return year * 12 + c1.get(Calendar.MONTH) - c2.get(Calendar.MONTH);
+ }
+
+ return year * 12 + c2.get(Calendar.MONTH) - c1.get(Calendar.MONTH);
+ }
+
+ public static int countDay(String date1, String date2) throws ParseException {
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+
+ Calendar c1 = Calendar.getInstance();
+ Calendar c2 = Calendar.getInstance();
+
+ c1.setTime(sdf.parse(date1));
+ c2.setTime(sdf.parse(date2));
+ int day = ((Long) ((c2.getTimeInMillis() - c1.getTimeInMillis()) / 86400000)).intValue();
+ return day;
+ }
}
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