Question

authenticate不起作用，user = authenticate（username = username，password = password）返回None。用户不在这里，因此没有任何作用

def homepage(request):
    if request.method == "POST":
        if "form2" in request.POST:
            form = Userform(request.POST)
            if form.is_valid():
                user=form.save()
                print(user.password)
                login(request,user)
                return redirect("main:dashboard")
            else:
                messages.error(request,'invalid entry')
                return redirect("main:homepage")

        elif "form1" in request.POST:
            username=request.POST["email1"]
            password=request.POST["password1"]
            print(username)
            print(password)

            user=authenticate(username=username,password=password)

            print(user)
            if user is not None:
                print("hello")
                login(request,user)

                return redirect("main:dashboard")
            else:
                messages.error(request,'user doesnot exist')
                return redirect("main:homepage")
    form = Userform
    return render(request,
                    "index.html",{"form":form}
                       )

Answer 1

似乎在request中缺少authenticate()。尝试添加并查看。

user=authenticate(request, username=username, password=password)

示例：

from django.shortcuts import render
from django.http import HttpResponse
from django.contrib.auth import authenticate, login
<<import LoginForm/UserForm>>

def user_login(request):
    if request.method == 'POST':
        form = LoginForm(request.POST)
        if form.is_valid():
            cd = form.cleaned_data
            user = authenticate(request,
                                username=cd['username'],
                                password=cd['password'])
            if user is not None:
                if user.is_active:
                    login(request, user)
                    return HttpResponse('Authenticated Successfully')
                else:
                    return HttpResponse('Disabled Account')
            else:
                return HttpResponse('Invalid login')
    else:
        form = LoginForm()
    return render(request, 'account/auth/login.html', {'form': form})

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