flask 1/3右边栏页面样式(flask 52)

_sidebar.html

{% if links %}

Links

{% for link in links %}

• 
  {{ link.name }}
  

{% endfor %}

{% endif %}

{% if categories %}

Categories

{% for category in categories %}

• 
  
  {{ category.name }}
  
  {{ category.posts|length }}
  

{% endfor %}

{% endif %}

数据从上下文获取

@app.context_processor
def make_template_context():
admin=Admin.query.first()
categories=Category.query.order_by(Category.name).all()
links=Link.query.order_by(Link.name).all()
if current_user.is_authenticated:
unread_comments=Comment.query.filter_by(reviewed=False).count()
else:
unread_comments=None
return dict(admin=admin,categories=categories,links=links,unread_comments=unread_comments)