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                        /django入门与实践

提交文档时出现TypeError at /blog/edit/action错误

python版本3.5.2 Django版本2.1.1

from django.shortcuts import render
from django.http import HttpResponse
from . import models

def index(request):
    articles = models.Article.objects.all()
    return render(request, "blog/index.html", {'articles':articles})

def article_page(request,article_id):
    article = models.Article.objects.get(pk=article_id)
    return render(request, 'blog/article_page.html', {'article':article})

def edit_page(request):
    return render(request, 'blog/edit_page.html')

def edit_action(request):
    title = request.POST.get('title', 'TITLE')
    content = request.POST.get('content', 'CONTENT')
    models.Article.objects.create(title=title,content=content)
    articles = models.Article.objects.all()
    return render(request, "blog/index.html", {'articles': articles})

urls.py
from.import views
from django.urls import path, include
app_name = 'blog'

urlpatterns = [
    path(r'index/',views.index),
    path(r'article/<int:article_id>/',views.article_page, name= 'article_page'),
    path(r'edit/', views.edit_page, name='edit_page'),
    path(r'edit/action', views.edit_action, name='edit_action'),
]


edit_page.html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Edit Page</title>
</head>
<body>
<form action="{% url 'blog:edit_action'%}" method="post">
 {% csrf_token %}
    <label>文章标题
 <input type="text" name="title"/>
    </label>
    <br/>
    <label>文章内容
 <input type="text" name="content"/>
    </label>
    <br/>
    <input type="submit" value"提交">
</form>

</body>
</html>