自定义权限标签：

import re
from django.template import Library
from django.conf import settings
register = Library()

@register.inclusion_tag("rbac/xxxxx.html")
def menu_html(request):
    """
    去Session中获取菜单相关信息，匹配当前URL，生成菜单
    :param request:
    :return:
    """
    menu_list = request.session[settings.PERMISSION_MENU_KEY]
    current_url = request.path_info

    menu_dict = {}
    for item in menu_list:
        if not item['menu_gp_id']:
            menu_dict[item['id']] = item

    for item in menu_list:
        regex = "^{0}$".format(item['url'])
        if re.match(regex,current_url):
            menu_gp_id = item['menu_gp_id']
            if menu_gp_id:
                menu_dict[menu_gp_id]['active'] = True
            else:
                menu_dict[item['id']]['active'] = True

    result = {}
    for item in menu_dict.values():
        active = item.get('active')
        menu_id = item['menu_id']
        if menu_id in result:
            result[menu_id]['children'].append({ 'title': item['title'], 'url': item['url'],'active':active})
            if active:
                result[menu_id]['active'] = True
        else:
            result[menu_id] = {
                'menu_id':item['menu_id'],
                'menu_title':item['menu_title'],
                'active':active,
                'children':[
                    { 'title': item['title'], 'url': item['url'],'active':active}
                ]
            }

    return {'menu_dict':result}
rbac/xxxx.html

{% for k,item in menu_dict.items %}
    <div class="item">
        <div class="item-title">{{ item.menu_title }}</div>
        {% if item.active %}
            <div class="item-permission">
        {% else %}
            <div class="item-permission hide">
        {% endif %}
            {% for v in item.children %}

                {% if v.active %}
                    <a href="{{ v.url }}" class="active">{{ v.title }}</a>
                {% else %}
                    <a href="{{ v.url }}">{{ v.title }}</a>
                {% endif %}

            {% endfor %}
        </div>
    </div>
{% endfor %}

############样式相关

# css
.item-permission{
    padding: 3px 10px;
}
.item-permission a{
    display: block;
}
.item-permission a.active{
    color: red;
}
.hide{
    display: none;
}
# js
$(function () {
$('.item .item-title').click(function () {
    if($(this).next().hasClass('hide')){
        $(this).next().removeClass('hide')
    }else{
        $(this).next().addClass('hide')
    }
})
});