Job Search Engine
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2.9 面包屑导航
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安装
pip install django-breadcrumbs==1.1.3
设置
添加下面两个app到INSTALLED_APP
'django.contrib.sites',
'django.contrib.flatpages',
他们是breadcrumb的依赖，添加sites之后，记得添加
SITE_ID = 1
中间件
MIDDLEWARE = [
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
'django.middleware.locale.LocaleMiddleware',
'breadcrumbs.middleware.BreadcrumbsMiddleware', # (1) 添加
]
这儿碰到了一个问题： middleware报错
mw_instance = middleware(handler)
TypeError: object() takes no parameters
主要原因是：Django1.10 引入了一种新的中间件，可以使用 MiddlewareMixin 进行兼容。
我手动进库做了修改，这个目前暂时workaround过去
视图
在视图里添加path信息
class JobEntryListView(ListView):
model = JobEntry
def dispatch(self, request, *args, **kwargs):
request.breadcrumbs([
(_("Home"),reverse("home", kwargs={})),
(_('Job Entry List'),request.path_info),
])
return super(JobEntryListView, self).dispatch(request,args,kwargs)
class JobEntryDetailView(DetailView):
model = JobEntry
def dispatch(self, request, *args, **kwargs):
request.breadcrumbs([
(_("Home"),reverse("home", kwargs={})),
(_('Job Entry List'),reverse("job_entry_list", kwargs={})),
(self.get_object(),request.path_info),
])
return super(JobEntryDetailView, self).dispatch(request,args,kwargs)
模板
模板添加代码
<div class=container>
{% block breadcrumb %}
{% for breadcrumb in request.breadcrumbs %}
<a href="{{ breadcrumb.url }}">{{ breadcrumb.name }}</a>{% if not forloop.last %} » {% endif %}
{% endfor %}
{% endblock %}
</div>
最终效果图如下
