升级Vue3，iView替换ElementPlus

- 删除babel配置、更新依赖与入口初始化
- 全量替换UI组件、样式适配，新增迁移文档与标签/过滤器自动化替换脚本

buyer/src/vuex/store.js

@@ -1,22 +1,20 @@
-import Vue from 'vue';
-import Vuex from 'vuex';
-import * as actions from './actions';
-import * as mutations from './mutations';
-import * as getters from './getters';
-import storage from '@/plugins/storage.js'
+import { createStore } from "vuex";
+import * as actions from "./actions";
+import * as mutations from "./mutations";
+import * as getters from "./getters";
+import storage from "@/plugins/storage.js";
 
-Vue.use(Vuex);
-
-export default new Vuex.Store({
+export default createStore({
   state: {
-    navList: [], // 首页快捷导航
-    cartNum: storage.getItem('cartNum') || 0,
-    logoImg: storage.getItem('logoImg') || require('@/assets/images/logo2.png'),
-    siteName:storage.getItem('siteName')|| 'lilishop',
-    hotWordsList: storage.getItem('hotWordsList'),
-    category: JSON.parse(localStorage.getItem('category'))
+    navList: [],
+    cartNum: storage.getItem("cartNum") || 0,
+    logoImg:
+      storage.getItem("logoImg") || require("@/assets/images/logo2.png"),
+    siteName: storage.getItem("siteName") || "lilishop",
+    hotWordsList: storage.getItem("hotWordsList"),
+    category: JSON.parse(localStorage.getItem("category")),
   },
   getters,
   actions,
-  mutations
+  mutations,
 });