在Django中,可以通过自定义登录表单来实现自定义变量"next"。以下是详细的步骤:
from django import forms
from django.contrib.auth.forms import AuthenticationForm
class CustomLoginForm(AuthenticationForm):
next = forms.CharField(widget=forms.HiddenInput, required=False)
from django.contrib.auth import authenticate, login
from django.shortcuts import render, redirect
from .forms import CustomLoginForm
def login_view(request):
if request.method == 'POST':
form = CustomLoginForm(request, data=request.POST)
if form.is_valid():
user = authenticate(request, username=form.cleaned_data.get('username'), password=form.cleaned_data.get('password'))
if user is not None:
login(request, user)
next = form.cleaned_data.get('next')
if next:
return redirect(next)
else:
return redirect('some_default_view')
else:
# Return an 'invalid login' error message.
pass
else:
form = CustomLoginForm(request)
return render(request, 'login.html', {'form': form})
<form method="post" action="{% url 'login' %}">
{% csrf_token %}
{{ form.as_p }}
<input type="hidden" name="next" value="{{ next }}" />
<button type="submit">Login</button>
</form>
现在,在提交登录表单时,"next"参数将作为隐藏字段传递给视图,并根据需要进行处理。这样,您就可以在Django登录表单中自定义变量"next"了。
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