college/__manifest__.py

@@ -59,6 +59,8 @@
         'web.assets_backend': [
             'college/static/src/scss/college_theme.scss',
             'college/static/src/js/hide_company_menu.js',
+            'college/static/src/js/portal_indicator.js',
+            'college/static/src/xml/portal_indicator.xml',
         ],
         'web.assets_web_dark': [
             'college/static/src/scss/college_theme_dark.scss',

college/static/src/js/portal_indicator.js

@@ -0,0 +1,31 @@
+/** @odoo-module **/
+import { registry } from "@web/core/registry";
+import { user } from "@web/core/user";
+import { Component, onWillStart, useState } from "@odoo/owl";
+
+export class PortalIndicator extends Component {
+    static template = "college.PortalIndicator";
+
+    setup() {
+        this.state = useState({ label: "" });
+        onWillStart(async () => {
+            // 顺序：管理员 -> 老师 -> 学生（高权限优先）
+            if (await user.hasGroup("base.group_system")) {
+                this.state.label = "管理员端";
+            } else if (await user.hasGroup("college.group_teacher")) {
+                this.state.label = "教师端";
+            } else if (await user.hasGroup("college.group_student")) {
+                this.state.label = "学生端";
+            } else {
+                this.state.label = "用户端";
+            }
+        });
+    }
+}
+
+// sequence 越小越靠右（user_menu 是 0）。想贴最右边用负数。
+registry.category("systray").add(
+    "college.PortalIndicator",
+    { Component: PortalIndicator },
+    { sequence:  1}
+);

college/static/src/scss/college_theme.scss

@@ -275,3 +275,18 @@
     display: none !important;
 }
 
+
+// 角色提示徽章：避免被 Odoo 导航栏 .badge 通知样式影响
+.o_college_portal_indicator {
+    align-self: center;          // 在 systray 中垂直居中，不被拉伸/裁切
+}
+
+.o_portal_badge {
+    display: inline-block;
+    padding: 0.2em 0.7em;
+    font-size: 0.8rem;
+    line-height: 1.2;
+    color: #fff;
+    white-space: nowrap;         // 不换行
+}
+

college/static/src/xml/portal_indicator.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<templates xml:space="preserve">
+    <div t-name="college.PortalIndicator"
+         class="o_college_portal_indicator d-flex align-items-center ms-2">
+        <span class="o_portal_badge" t-esc="state.label"/>
+    </div>
+</templates>