优化商城

src/reducers/commonData.ts

@@ -2,11 +2,12 @@
 import Taro from '@tarojs/taro'
 import { 
     SET_SHOPCOUNT,
-    CLEAR_SHOPCOUNT
+    CLEAR_SHOPCOUNT,
+    STORAGE_SHOPCOUNT
 } from '../constants/common'
 
 export type DataParam = {
-    shopCount: number
+    shopCount: number //购物车数量
 }
 
 type Action = {
@@ -14,21 +15,19 @@ type Action = {
   data?: DataParam
 }
 
-
-
 const INIT = {
-    shopCount: Taro.getStorageSync('shopCount')?JSON.parse(Taro.getStorageSync('shopCount')):null,
+    shopCount: Taro.getStorageSync(STORAGE_SHOPCOUNT)?JSON.parse(Taro.getStorageSync(STORAGE_SHOPCOUNT)).shopCount:0,
 }
 
 export default function counter (state = INIT, action: Action) {
     const {type, data} = action
     switch (type) {
         case SET_SHOPCOUNT:
-            Taro.setStorageSync('shopCount',JSON.stringify(data))
+            Taro.setStorageSync(STORAGE_SHOPCOUNT,JSON.stringify(data?.shopCount))
             return {...state,...data}
         case CLEAR_SHOPCOUNT:
-            Taro.removeStorageSync('shopCount')
-            return {...state, shopCount: null}
+            Taro.removeStorageSync(STORAGE_SHOPCOUNT)
+            return {...state, shopCount: 0}
         default:
             return state
     }