From 42a2772d1aa7493bcc4fac3e24ee8eda4eebc23d Mon Sep 17 00:00:00 2001
From: xubinbin <1323875150@qq.com>
Date: 星期二, 12 十二月 2023 17:09:04 +0800
Subject: [PATCH] bugfix:请求头带token, SecurityUtils 获取用户id 一直为0 #1195

---
 src/main/java/com/genersoft/iot/vmp/utils/DateUtil.java |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/utils/DateUtil.java b/src/main/java/com/genersoft/iot/vmp/utils/DateUtil.java
old mode 100644
new mode 100755
index 923f834..1abf2c6
--- a/src/main/java/com/genersoft/iot/vmp/utils/DateUtil.java
+++ b/src/main/java/com/genersoft/iot/vmp/utils/DateUtil.java
@@ -1,12 +1,15 @@
 package com.genersoft.iot.vmp.utils;
 
 
+import org.apache.commons.lang3.ObjectUtils;
+
 import java.time.Instant;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.time.format.DateTimeParseException;
+import java.time.temporal.ChronoUnit;
 import java.time.temporal.TemporalAccessor;
 
 import java.util.Locale;
@@ -106,4 +109,12 @@
         LocalDateTime nowDateTime = LocalDateTime.now();
         return formatterISO8601.format(nowDateTime);
     }
+
+    public static long getDifferenceForNow(String keepaliveTime) {
+        if (ObjectUtils.isEmpty(keepaliveTime)) {
+            return 0;
+        }
+        Instant beforeInstant = Instant.from(formatter.parse(keepaliveTime));
+        return ChronoUnit.MILLIS.between(beforeInstant, Instant.now());
+    }
 }

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