From b8d98797f162f34ce0e4245b0d879ea0e6a30db0 Mon Sep 17 00:00:00 2001
From: admin <weikou2014>
Date: 星期六, 26 一月 2019 18:15:21 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'

---
 utils/src/main/java/org/yeshi/utils/DateUtil.java |   57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/utils/src/main/java/org/yeshi/utils/DateUtil.java b/utils/src/main/java/org/yeshi/utils/DateUtil.java
index 10e3174..ca60d74 100644
--- a/utils/src/main/java/org/yeshi/utils/DateUtil.java
+++ b/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 {
 
@@ -92,12 +94,12 @@
 			return false;
 		}
 	}
-
+	
 	/**
 	 * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
 	 * 
 	 * @param num
-	 *            涓哄鍔犵殑澶╂暟
+	 *            澧炲姞鐨勫ぉ鏁�
 	 * @param nowDate
 	 *            鍒涘缓鏃堕棿
 	 * @return
@@ -113,4 +115,55 @@
 		
 		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());
+	}
+	
+	/**
+	 * 杩斿洖涓棿鏃ユ湡
+	 * @param startTime
+	 * @param endTime
+	 * @return
+	 * @throws Exception
+	 */
+	public static List<String> dayFactory(String startTime, String endTime) throws Exception {
+
+		List<String> listDate = new ArrayList<String>();
+
+		String plusDay = "";
+		for (int i = 0; i < 1000; i++) {
+			if (i == 0) {
+				plusDay = startTime;
+			} else {
+				plusDay = DateUtil.plusDay(i, startTime);
+			}
+
+			listDate.add(plusDay);
+
+			if (plusDay.equals(endTime)) {
+				break; // 鏃堕棿缁撴潫
+			}
+		}
+		return listDate;
+	}
+	
+	
 }
\ No newline at end of file

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