Django:HttpResponseRedirect不通过RequestContext()? [英] Django: HttpResponseRedirect doesnt pass RequestContext()?
问题描述
我目前正在使用的是:
基本上,我正在尝试将未登录的用户重定向到登录页面。
What I'm currently using is:
return render_to_response('login.html', context_instance=RequestContext(request))
但是,在主页上留下网址。我想要重定向到/ accounts / login /,但是当我使用
But that leaves the url at the homepage. I'd like to have it redirect to /accounts/login/, but when I use
return HttpResponseRedirect('/accounts/login/')
我收到错误
Key 'username' not found in <QueryDict: {}>
我明白,这意味着我需要有
I understand that to mean that I do need to have
context_instance=RequestContext(request))
有没有正确的重定向,仍然通过RequestContext?
Is there anyway to have a proper redirect, and still pass RequestContext along?
推荐答案
RequestContext
只用于在渲染模板时将值传递给模板引擎。目的地视图不应该依赖于起始视图的 RequestContext
,它应该能够生成它自己的RequestContext。
RequestContext
is only used to pass values to the template engine when a template is rendered. The destination view shouldn't depend on the RequestContext
from the originating view, it should be able to generate it's own RequestContext.
在某些情况下,您需要在这样的视图之间传递值。在这些情况下,您可以使用querystring值来执行此操作。例如...
There are situations however where you need to pass values between views like this. In these situations you can use querystring values to do so. For example...
def originating_view(request, *args, **kwargs):
return HttpResponseRedirect('/accounts/login/?username=%s&next=%s' % (username, request.path)
def destination_view(request, *args, **kwargs):
# Get the username from the querystring
username = request.GET.get('username', None)
next = request.GET.get('next', '/')
if username:
# ...
(请注意,假设您要保留用户名的原因是将其预先填充到登录表单中。如果您正在执行实际登录,则需要使用POST,以使用户名和密码不会记录在URL中的纯文本)。
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