主要改了路径，还有vite.config.ts配置后端链接

src/userStores/cart.ts

@@ -0,0 +1,68 @@
+import { defineStore } from 'pinia'
+
+export interface CartItem {
+  id: number
+  name: string
+  price: number
+  quantity: number
+  imageUrl: string 
+}
+
+export const useCartStore = defineStore('cart', {
+  state: () => ({
+    cartItems: [] as CartItem[],
+  }),
+
+  getters: {
+    // 总价计算
+    totalPrice(state): number {
+      return state.cartItems.reduce((sum, item) => sum + item.price * item.quantity, 0)
+    },
+  },
+
+  actions: {
+    addToCart(item: CartItem) {
+      const existing = this.cartItems.find(i => i.id === item.id)
+      if (existing) {
+        existing.quantity += item.quantity
+      } else {
+        this.cartItems.push(item)
+      }
+      this.saveToLocalStorage()
+    },
+
+    updateQuantity(id: number, quantity: number) {
+        const item = this.cartItems.find(i => i.id === id);
+        if (item && quantity >= 1) {
+          item.quantity = quantity;
+          this.saveToLocalStorage();
+        }
+      },
+    
+    removeFromCart(id: number) {
+      this.cartItems = this.cartItems.filter(i => i.id !== id)
+      this.saveToLocalStorage()
+    },
+
+    clearCart() {
+      this.cartItems = []
+      this.saveToLocalStorage()
+    },
+
+    loadFromLocalStorage() {
+      const stored = localStorage.getItem('cart')
+      if (stored) {
+        this.cartItems = JSON.parse(stored)
+      }
+    },
+
+    saveToLocalStorage() {
+      localStorage.setItem('cart', JSON.stringify(this.cartItems))
+    },
+
+    setCart(items: CartItem[]) {
+      this.cartItems = items
+      this.saveToLocalStorage()
+    },
+  },
+})

src/userStores/store.ts

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+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+
+export const useStoreStore = defineStore('store', () => {
+  const selectedStoreName = ref<string>('未选择门店');
+  const selectedStoreId = ref<number | null>(null);
+
+  function setStore(name: string, id: number) {
+    selectedStoreName.value = name;
+    selectedStoreId.value = id;
+    localStorage.setItem('selectedStoreName', name);
+    localStorage.setItem('selectedStoreId', id.toString());
+  }
+
+  function loadStoreFromLocal() {
+    const name = localStorage.getItem('selectedStoreName');
+    const id = Number(localStorage.getItem('selectedStoreId'));
+    if (name && !isNaN(id)) {
+      selectedStoreName.value = name;
+      selectedStoreId.value = id;
+    }
+  }
+
+  return { selectedStoreName, selectedStoreId, setStore, loadStoreFromLocal }
+})

src/userStores/user.ts

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+import { defineStore } from 'pinia'
+import axios from 'axios'
+
+export const useUserStore = defineStore('user', {
+  state: () => ({
+    userId: 10, // 默认用户 ID
+    username: '', // 新增：用户名
+  }),
+  getters: {
+    getUserId: (state) => state.userId,
+    getUsername: (state) => state.username, // 新增 getter
+  },
+  actions: {
+    setUserId(id: number) {
+      this.userId = id
+    },
+    setUsername(name: string) {
+      this.username = name
+    },
+    async fetchUsernameById(id: number) {
+      try {
+        // 设置 userId
+        this.userId = id
+
+        const response = await axios.get(`/api/user/customers/${id}`)//ok
+
+        // 后端返回的用户数据结构中包含 accountName
+        this.username = response.data.accountName
+      } catch (error) {
+        console.error('获取用户名失败:', error)
+      }
+    },
+  },
+})