From 6cc41f38a853bb52da147b61723ec359745527fa Mon Sep 17 00:00:00 2001
From: GzhiYi <zhiyi.gong@outlook.com>
Date: Tue, 5 Oct 2021 18:07:39 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E4=BC=98=E5=8C=96=E4=BA=86=E5=88=86?=
 =?UTF-8?q?=E7=B1=BB=E7=9A=84=E5=8A=A0=E8=BD=BD=E9=80=9F=E5=BA=A6?=
MIME-Version: 1.0
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---
 miniprogram/app.js | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/miniprogram/app.js b/miniprogram/app.js
index a27e382..c5b16a4 100644
--- a/miniprogram/app.js
+++ b/miniprogram/app.js
@@ -45,7 +45,15 @@ App({
   },
   // 在app.js处进行分类的获取，以便所有页面方便使用
   getCategory() {
-    // const self = this
+    // 在获取分类数据之前，优先读取本地缓存的数据
+    const storeCategory = wx.getStorageSync('category')
+    const storeDefaultCategory = wx.getStorageSync('defaultCategory')
+    if (storeCategory) {
+      store.data.categoryList = storeCategory
+    }
+    if (storeDefaultCategory) {
+      store.data.defaultCategoryList = storeDefaultCategory
+    }
     return new Promise((resolve, reject) => {
       const categoryList = {}
       const defaultCategoryList = []
@@ -69,6 +77,15 @@ App({
                 }
               })
             })
+            // 将分类缓存在本地，优先读取，后续更新
+            wx.setStorage({
+              key: 'category',
+              data: categoryList
+            })
+            wx.setStorage({
+              key: 'defaultCategory',
+              data: defaultCategoryList
+            })
             store.data.defaultCategoryList = defaultCategoryList
             resolve(res)
           }