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

seller/src/App.vue

@@ -1,23 +1,37 @@
 <template>
   <div id="main" class="app-main">
-    <router-view></router-view>
+    <router-view />
   </div>
 </template>
 
 <script>
+import Cookies from "js-cookie";
+import util from "@/libs/util";
 
 export default {
-
-
+  name: "App",
+  mounted() {
+    const loggedIn =
+      this.getStore("accessToken") || Cookies.get("userInfoSeller");
+    if (loggedIn) {
+      util.bootstrapDynamicRoutesFromCache();
+      util.initRouter(this);
+      this.$store.commit("setOpenedList");
+      this.$store.commit("initCachepage");
+    }
+  },
 };
 </script>
 
 <style>
 html,
 body {
+  margin: 0;
+  padding: 0;
   width: 100%;
   height: 100%;
   background: #f0f0f0;
+  font-size: 14px;
 }
 
 .app-main {
@@ -33,14 +47,7 @@ body {
   margin-right: 5px;
 }
 
-.ivu-btn-text:focus {
-  box-shadow: none !important;
-}
-
-.ivu-tag {
-  cursor: pointer;
-}
-.tox-notifications-container{
+.tox-notifications-container {
   display: none !important;
 }
 </style>