From 42521c9b51c1bd9a40036f18fd610cd46601222d Mon Sep 17 00:00:00 2001
From: yanghui <2536613402@qq.com>
Date: 星期一, 28 十一月 2022 14:45:22 +0800
Subject: [PATCH] #feat .

---
 springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java |   51 ++++++++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 46 insertions(+), 5 deletions(-)

diff --git a/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java b/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java
index 901f014..052832e 100644
--- a/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java
+++ b/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java
@@ -926,11 +926,11 @@
     }
 
     public static void main(String[] args) throws Exception {
-         Date date= getLastMonthFirst();
-         Date after = getLastMonthEnd();
-         System.out.println(date);
-         System.out.println(after);
-         System.out.println(getMonthTwentyDay());
+//        List<String> beforeDays = getBeforeDays(15);
+//        System.out.println(beforeDays);
+        List<String> yearMonths = getYearMonths();
+        System.out.println(yearMonths);
+
     }
 
     /**
@@ -1142,6 +1142,18 @@
     }
 
     /**
+     * 获取之前的日期
+     *
+     * @return
+     */
+    public static String getBeforeDay(Integer amount) {
+        Calendar cal = Calendar.getInstance();
+        cal.setTime(new Date());
+        cal.add(Calendar.DATE, -amount);
+        return DateUtil.format(cal.getTime(),"yyyy-MM-dd");
+    }
+
+    /**
      * 获取最近本月20天数据
      *
      * @return
@@ -1162,4 +1174,33 @@
         }
 
     }
+
+    public static List<String> getBeforeDays(int before) {
+        List<String> dates = new ArrayList<>();
+        for (int i = before; i >= 0; i--) {
+            dates.add(getBeforeDay(i));
+        }
+        return dates;
+    }
+
+    /**
+     * 获取当年所有月份
+     *
+     * @return
+     */
+    public static List<String> getYearMonths() {
+        Calendar instance = Calendar.getInstance();
+        int year = instance.get(Calendar.YEAR);
+        List<String> months = new ArrayList<>();
+        for (int i = 1; i <= 12; i++) {
+            String result = String.valueOf(year);
+            if (i < 10) {
+                result = result + "-0" +i;
+            } else {
+                result = result + "-"+i;
+            }
+            months.add(result);
+        }
+        return months;
+    }
 }

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