我正在尝试建立论坛。在处理urls时,有一个板id和一个板名称。板名只是为了用户的可读性而存在,这意味着如果有人输入了正确的id,但是板名是错误的或者已经更改了,它会将他们重定向到正确的url。我创建了一个函数来管理它,因为有很多次我需要检查板子是否正确,而不仅仅是这一个url。
# urls.py
...
url(r'^boards/(?P<board_id>\d+)/(?P<board_name>[^/]+)/$', views.board, name='board'),
...
# views.py
def board(request, board_id, board_name):
RedirectIfWrong(request, board_id, board_name)
...
return render(request, 'forums/board.html', {'board': board})
def RedirectIfWrong(request, pk, name):
board = Board.objects.all().get(pk=pk)
if (board.name != name):
return redirect(request.get_full_path().replace(name, board.name, 1))然而,当我在一个函数中调用redirect时,它不能工作。我也听说过使用中间件来做这件事。这是如何工作的,我如何使它只应用于涉及到板的urls?
发布于 2017-07-30 06:37:53
def board(request, board_id, board_name):
bad = RedirectIfWrong(request, board_id, board_name)
if bad:
return bad
...
return render(request, 'forums/board.html', {'board': board})发布于 2017-07-30 06:04:30
添加return
def board(request, board_id, board_name):
return RedirectIfWrong(request, board_id, board_name)
# ^^^^https://stackoverflow.com/questions/45394483
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