如何检查(在模板中)用户是否属于组 [英] How to check (in template) if user belongs to a group

问题描述

如何检查模板用户是否属于某个组?

How to check in template whether user belongs to some group?

可能在生成template的view中，但是如果我想在作为扩展模板的base.html中检查此内容(它没有自己的视图功能)怎么办?

It is possible in a view which is generating the template but what if I want to check this in base.html which is an extending template (it does not have it's own view function)?

我所有的模板都扩展了base.html，因此在每个view中进行检查都是不好的.

All of my templates extends base.html so it is not good to check it in each view.

base.html包含上部栏，该栏应包含按钮，具体取决于group登录用户所在的位置(客户"，卖家").

The base.html contains upper bar, which should contain buttons depending on in which group logged user is (Customers, Sellers).

在我的base.html中是:

{% if user.is_authenticated %}

这还不够，因为我必须对Customers用户和Sellers用户采取不同的行动.

which is not enough because I have to act differently to users from Customers and users from Sellers.

所以我想要的是:

{% if user.in_group('Customers') %}
 <p>Customer</p>
{% endif %}
{% if user.in_group('Sellers') %}
<p>Seller</p>
{% endif %}

推荐答案

您需要自定义模板标签:

You need custom template tag:

from django import template

register = template.Library() 

@register.filter(name='has_group') 
def has_group(user, group_name):
    return user.groups.filter(name=group_name).exists() 

在您的模板中:

{% if request.user|has_group:"mygroup" %} 
    <p>User belongs to my group 
{% else %}
    <p>User doesn't belong to mygroup</p>
{% endif %}

来源: http ://www.abidibo.net/blog/2014/05/22/check-if-user-belongs-group-django-templates/

文档: https://docs.djangoproject.com/en/1.9/howto/custom-template-tags/

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