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

im/src/utils/app-bridge.js

@@ -0,0 +1,37 @@
+import { h } from "vue";
+import store from "@/store";
+import router from "@/router";
+import MainMixin from "@/mixins/main-mixin";
+
+let refreshViewFn = null;
+
+const mixinCtx = {
+  get $store() {
+    return store;
+  },
+  get $router() {
+    return router;
+  },
+  get $route() {
+    return router.currentRoute.value;
+  },
+};
+
+export function setRefreshView(fn) {
+  refreshViewFn = fn;
+}
+
+export function refreshView() {
+  refreshViewFn?.();
+}
+
+export function getAppBridge() {
+  return {
+    $store: store,
+    $router: router,
+    $route: router.currentRoute.value,
+    $createElement: h,
+    loadUserSetting: MainMixin.methods.loadUserSetting.bind(mixinCtx),
+    refreshView,
+  };
+}

im/src/utils/message.js

@@ -0,0 +1,11 @@
+import { ElMessage, ElMessageBox, ElNotification } from "element-plus";
+
+export { ElNotification, ElMessage, ElMessageBox };
+
+export function setupLegacyMessage(app) {
+  app.config.globalProperties.$message = ElMessage;
+  app.config.globalProperties.$notify = ElNotification;
+  app.config.globalProperties.$confirm = ElMessageBox.confirm;
+  app.config.globalProperties.$prompt = ElMessageBox.prompt;
+  app.config.globalProperties.$alert = ElMessageBox.alert;
+}

im/src/utils/request.js

@@ -2,7 +2,7 @@ import axios from "axios";
 import config from "@/config/config";
 import { getToken, removeAll } from "@/utils/auth";
 
-import { Notification, MessageBox } from "element-ui";
+import { ElNotification, ElMessageBox } from "element-plus";
 import qs from "qs";
 
 // 创建 axios 实例
@@ -33,7 +33,7 @@ const errorHandler = (error) => {
       /**
        * 403提示将重新从商家移动端进入当前页面
        */
-      MessageBox("当前登录已失效，请从关闭重新进入。", "提示", {
+      ElMessageBox("当前登录已失效，请从关闭重新进入。", "提示", {
         confirmButtonText: "确定",
         cancelButtonText: "取消",
         closeOnPressEscape: false,
@@ -43,7 +43,7 @@ const errorHandler = (error) => {
         .then(() => {
           isRefreshing = true
           window.close();
-          Notification({
+          ElNotification({
             title:"登录失效提示",
             message: "请手动关闭当前页面",
             type:"error",
@@ -53,7 +53,7 @@ const errorHandler = (error) => {
         })
         .catch(() => {
           isRefreshing = true
-          Notification({
+          ElNotification({
             title:"登录失效提示",
             message: "请手动关闭当前页面",
             type:"error",
@@ -63,7 +63,7 @@ const errorHandler = (error) => {
         isRefreshing = false
       }
     } else if(error.response.status == 400){
-      Notification({
+      ElNotification({
         message: error.response.data.message,
         position: "top-right",
         type:"error",