From 6bc5d130aa5b30aa6ea32f6c53bebe6fb9dc05f7 Mon Sep 17 00:00:00 2001
From: lizijie <lzjiiie@163.com>
Date: Wed, 16 Dec 2020 09:21:32 +0800
Subject: [PATCH] 热力图
---
src/main/java/com/moral/service/impl/HistoryServiceImpl.java | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/main/java/com/moral/service/impl/HistoryServiceImpl.java b/src/main/java/com/moral/service/impl/HistoryServiceImpl.java
index d914880..08137c7 100644
--- a/src/main/java/com/moral/service/impl/HistoryServiceImpl.java
+++ b/src/main/java/com/moral/service/impl/HistoryServiceImpl.java
@@ -406,8 +406,9 @@
String timeUnits = startTime.substring(0, 10).replace("-", "");
Map<String, Object> map = historyMapper.getAVGValueByMacAndTimeslot(mac, startTime, endTime, timeUnits);
Map<String, Object> returnMap = new HashMap<>();
- if (map.isEmpty()) {
- returnMap.put("AQI", "N/V");
+ if (ObjectUtils.isEmpty(map) || map.isEmpty()) {
+ returnMap.put("AQI", "N/V");
+ return returnMap;
} else {
Map<String, Double> AQIMap = new HashMap<>();
for (Map.Entry<String, Object> entry : map.entrySet()) {
--
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