From c4cc07868023e086eecf40198974cf1651274cfd Mon Sep 17 00:00:00 2001
From: Chopper <liushuai711@gmail.com>
Date: Fri, 18 Jun 2021 17:06:25 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=86=E7=B1=BB=E4=BF=A1=E6=81=AF=E7=BC=93?=
 =?UTF-8?q?=E5=AD=98=E6=9B=B4=E6=96=B0=E6=97=B6=E9=97=B4=E8=AE=BE=E5=AE=9A?=
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---
 buyer/src/components/nav/cateNav.vue | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/buyer/src/components/nav/cateNav.vue b/buyer/src/components/nav/cateNav.vue
index e4fd092c..07a6b4eb 100644
--- a/buyer/src/components/nav/cateNav.vue
+++ b/buyer/src/components/nav/cateNav.vue
@@ -93,6 +93,11 @@ export default {
       getCategory(0).then(res => {
         if (res.success) {
           this.cateList = res.result;
+          // 过期时间
+          var expirationTime = new Date().setHours(new Date().getHours() + 1);
+          // 存放过期时间
+          localStorage.setItem('category_expiration_time', expirationTime);
+          // 存放分类信息
           localStorage.setItem('category', JSON.stringify(res.result))
         }
       });
@@ -117,7 +122,12 @@ export default {
     }
   },
   mounted () {
-    if (localStorage.getItem('category')) {
+    if (localStorage.getItem('category') && localStorage.getItem('category_expiration_time')) {
+      // 如果缓存过期，则获取最新的信息
+      if (new Date() > localStorage.getItem('category_expiration_time')) {
+        this.getCate();
+        return;
+      }
       this.cateList = JSON.parse(localStorage.getItem('category'))
     } else {
       this.getCate()