如何使用Wagtail钩子在Wagtail中生成自定义链接

from wagtail.core import hooks
from wagtail.admin.menu import MenuItem

@hooks.register('register_rich_text_features')
def register_custom_link(features):
    features.default_features.append('custom_link')

@hooks.register('register_admin_menu_item')
def register_custom_link_menu_item():
    return MenuItem('Custom Link', '/custom-link/', classnames='icon icon-link', order=10000)

from wagtail.core import hooks

@hooks.register('register_rich_text_features')
def register_custom_link(features):
    features.register_link_type('custom_link', CustomLinkHandler)

class CustomLinkHandler(features.BaseLinkHandler):
    identifier = 'custom_link'
    @classmethod
    def expand_db_attributes(cls, attrs):
        href = attrs["href"]
        return '<a href="%s" class="custom-link">%s</a>' % (href, href)

from wagtail.admin.menu import MenuItem

@hooks.register('register_admin_menu_item')
def register_custom_link_menu_item():
    return MenuItem('Custom Link', '/custom-link/', classnames='icon icon-link', order=10000)

{% extends "wagtailadmin/pages/create.html" %}

{% block content %}
    <form method="POST" action="{% url 'wagtailadmin_pages:create' %}">
        {% csrf_token %}
        <input type="hidden" name="content_type" value="{{ content_type }}">
        <input type="hidden" name="parent_page" value="{{ parent_page.id }}">
        <input type="hidden" name="action" value="publish">
        <input type="hidden" name="custom_link" value="true">
        <div class="field">
            <label for="id_title">Title:</label>
            <input id="id_title" name="title" type="text" required>
        </div>
        <div class="field">
            <label for="id_url">URL:</label>
            <input id="id_url" name="url" type="url" required>
        </div>
        <button type="submit" class="button">Create</button>
    </form>
{% endblock %}

from django.urls import path
from . import views

urlpatterns = [
    # ...
    path('custom-link/', views.CustomLinkPageView.as_view(), name='custom_link_page'),
    # ...
]

from django.views.generic import TemplateView

class CustomLinkPageView(TemplateView):
    template_name = 'custom_link_page.html'