Question

enter code here TypeError在/ polls / join（）参数必须是str，字节或os.PathLike对象，而不是“函数” 请求方法：GET 要求网址：http://127.0.0.1:8000/polls/ Django版本：3.1 异常类型：TypeError 异常值：
join（）参数必须是str，字节或os.PathLike对象，而不是“函数” 例外位置：c：\ users \ lenovo \ appdata \ local \ programs \ python \ python38-32 \ lib \ genericpath.py，第152行，以_check_arg_types

from django.shortcuts import render, get_object_or_404
from django.http import HttpResponse,HttpResponseRedirect
from django.urls import reverse
from .models import Question, choice
# Create your views here.

def index(request):
    latest_question_list = Question.objects.order_by('-pub_date')[:5]
    context = {'latest_question_list': latest_question_list}
    return render(request, 'polls/index.html', context)


def detail(request, question_id):
    question=get_object_or_404(Question ,pk=question_id)
    return render(request, detail,{'question': question})


def results(request, question_id):
    question = get_object_or_404(Question, pk=question_id)
    return render(request, 'polls/result.html', {'question': question})


def vote(request, question_id):
    question = get_object_or_404(Question, pk=question_id)
    try:
        selected_choice = question.choice_set.get(pk=request.POST['choice'])
    except (KeyError, Choice.DoesNotExist):
        return render(request, 'polls/detail.html',{
            'question: question'
            'error_message': "you didn't select a choice."
            })
    else:
        selected_choice.vote += 1
        selected_choice.save()
        return HttpResponseRedirect(reverse('polls:result', args=(question.id,)))

Answer 1

在您认为负责处理“轮询”端点的某个位置，您正在导致在函数对象上调用字符串连接方法。请发布您的源代码和完整堆栈跟踪。

异常值：join（）参数必须是str，bytes或os.PathLike对象，而不是'function'

1 个答案: