- main.py admin_page 调用 _load_current_backend_menu_items 取当前用户权限菜单, 经 render_html 传入模板;Java 权限接口不可用时降级不渲染(避免展示越权菜单) - admin.html 删除写死的 16 个静态菜单按钮,改为 Jinja2 按权限渲染分组菜单, 渲染成功时 nav 带 data-server-rendered 标记,失败显示轻量占位 - admin.js loadAdminMenus 识别 data-server-rendered 后直接绑定事件并激活, 不再请求 /current-user/menus 重渲染(保留 API 兜底路径)
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@@ -2,7 +2,7 @@
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主页面蓝图:首页、管理后台页、静态文件
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"""
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import os
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from flask import Blueprint, redirect, url_for, send_file, session
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from flask import Blueprint, current_app, redirect, url_for, send_file, session
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from werkzeug.utils import safe_join
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from utils.auth import login_required, is_session_user_valid
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@@ -24,7 +24,25 @@ def index():
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@main.route('/admin')
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@login_required
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def admin_page():
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return render_html('admin.html')
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"""管理后台页:服务端直接渲染当前用户有权限的菜单,避免客户端二次渲染造成闪烁。"""
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context = {}
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try:
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# 复用权限菜单加载逻辑;Java 权限接口不可用时降级为无菜单(JS 侧会走 API 兜底)
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from blueprints.admin_api import _load_current_backend_menu_items
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_, _, items, denied = _load_current_backend_menu_items()
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if denied is None and items:
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context['admin_menu_items'] = items
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context['admin_menu_rendered'] = True
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else:
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# 权限接口失败:真实页面同样会失败,服务端不渲染菜单,避免展示越权菜单
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context['admin_menu_rendered'] = False
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current_app.logger.warning('[admin] 服务端菜单渲染失败,降级为客户端加载: %s',
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(denied[0].get_json() if denied and len(denied) > 0 else None))
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except Exception as exc:
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# 兜底:任何异常都不得阻断管理页打开,JS 会自行请求菜单接口
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current_app.logger.exception('[admin] 服务端渲染菜单异常: %s', exc)
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context['admin_menu_rendered'] = False
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return render_html('admin.html', **context)
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@main.route('/static/<path:filename>')
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