From ea6bf9042d9ad4faaf328bdc68a41ef36b47f13d Mon Sep 17 00:00:00 2001
From: luodangjia <luodangjia>
Date: 星期二, 14 一月 2025 20:09:55 +0800
Subject: [PATCH] 12.18

---
 ruoyi-service/ruoyi-order/src/main/java/com/ruoyi/order/controller/OrderController.java |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/ruoyi-service/ruoyi-order/src/main/java/com/ruoyi/order/controller/OrderController.java b/ruoyi-service/ruoyi-order/src/main/java/com/ruoyi/order/controller/OrderController.java
index e3d535c..cc1c029 100644
--- a/ruoyi-service/ruoyi-order/src/main/java/com/ruoyi/order/controller/OrderController.java
+++ b/ruoyi-service/ruoyi-order/src/main/java/com/ruoyi/order/controller/OrderController.java
@@ -301,8 +301,12 @@
                 .orderByAsc(Order::getCreateTime));
 
 
-        Map<String, List<Order>> map = orderList.stream().collect(Collectors.groupingBy(item -> item.getCreateTime()
-                .format(DateTimeFormatter.ofPattern("yyyy-MM-dd"))));
+        Map<String, List<Order>> map = orderList.stream()
+                .collect(Collectors.groupingBy(
+                        item -> item.getCreateTime().format(DateTimeFormatter.ofPattern("yyyy-MM-dd")),
+                        TreeMap::new, // 使用 TreeMap 按键排序
+                        Collectors.toList()
+                ));
 
         List<OrderStatisticsDetail> orderStatisticsDetails = new ArrayList<>();
         map.forEach((key, value) -> {

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