iam neu zu Django, und versuchen, eine BLOG-App zu bauen. Der letzte Schritt ist in der Lage, einen Kommentar im Detail zu erstellen Blogpost, Ich habe versucht, das Formular zum Erstellen eines Kommentars in der gleichen Detailansicht als blog_post und die Kommentare, , wenn ich versuche, einen Kommentar mit zu erstellen die Formfehler zeigt sich in der Konsole: Methode Post nicht erlaubt ist, ich habe alles versucht, aber immer noch nicht funktioniert bitte helfen, ich schätze yourhelp MEIN CODEDjango, Post-Methode nicht erlaubt (405) Detailansicht
ANSICHTEN
from django.contrib.auth.decorators import login_required
from django.core.urlresolvers import reverse
from django.http import HttpResponse
from django.views.generic import View
from django.views.generic.base import TemplateView, TemplateResponseMixin, ContextMixin
from django.views.generic.detail import DetailView
from django.views.generic.list import ListView
from django.views.generic.edit import CreateView, UpdateView, DeleteView
from django.shortcuts import render
from django.utils.decorators import method_decorator
from django.contrib.contenttypes.models import ContentType
from .models import blog_post, Category
from .forms import blog_postForm
from comments.models import Comment
from comments.forms import CommentForm
class CategoryListView(ListView):
model = Category
queryset = Category.objects.all()
template_name = "blog/category_list.html"
class CategoryDetailView(DetailView):
model = Category
def get_context_data(self, *args, **kwargs):
context = super(CategoryDetailView, self).get_context_data(*args, **kwargs)
obj = self.get_object()
blogpost_set = obj.blog_post_set.all()
default_blogpost = obj.default_category.all()
blogposts = (blogpost_set | default_blogpost).distinct()
context["blogposts"] = blogposts
return context
class LoginRequiredMixin(object):
@classmethod
def as_view(cls, **kwargs):
view = super(LoginRequiredMixin, cls).as_view(**kwargs)
return login_required(view)
#@method_decorator(login_required)
#def dispatch(self, request, *args, **kwargs):
# return super(LoginRequiredMixin, self).dispatch(request, *args, **kwargs)
class blog_postCreateView(LoginRequiredMixin, CreateView):
#model = blog_post
form_class = blog_postForm
template_name = "form.html"
#fields = ["title", "content"]
def get_success_url(self):
return reverse("blog_post_list")
# @method_decorator(login_required)
# def dispatch(self, request, *args, **kwargs):
# return super(MyView, self).dispatch(request, *args, **kwargs)
class blog_postListView(ListView):
model = blog_post
def get_queryset(self, *args, **kwargs):
qs = super(blog_postListView, self).get_queryset(*args, **kwargs).order_by("-timestamp")
return qs
class blog_postDetailView(DetailView):
model = blog_post
def get_context_data(self, *args, **kwargs):
context = super(blog_postDetailView, self).get_context_data(*args, **kwargs)
obj = self.get_object()
#default_blogpost = obj.default_category.all()
#blogposts = (blogpost_set | default_blogpost).distinct()
# content_type = ContentType.objects.get_for_model(blog_post)
# obj_id = obj.id
# comments = Comment.objects.filter(content_type=content_type, object_id= obj_id)
initial_data = {
"content_type": obj.get_content_type,
"object_id": obj.id
}
form = CommentForm(self.request.POST or None, initial=initial_data)
if form.is_valid():
c_type = form.cleaned_data.get("content_type")
content_type = ContentType.objects.get(model=c_type)
obj_id = form.cleaned_data.get('object_id')
content_data = form.cleaned_data.get("content")
new_comment, created = Comment.objects.get_or_create(
user = request.user,
content_type= content_type,
object_id = obj_id,
content = content_data
)
comments = obj.comments.order_by("-timestamp")
context['comments'] = comments
context['comment_form'] = form
return context
class AboutPageView(TemplateView):
template_name = "about.html"
class ContactPageView(TemplateView):
template_name = "contact.html"
class IndexView(ListView):
context_object_name = 'home_list'
template_name = 'blog/index.html'
queryset = blog_post.objects.all().order_by("-timestamp")
def get_context_data(self, **kwargs):
context = super(IndexView, self).get_context_data(**kwargs)
context['categories'] = Category.objects.all()
# And so on for more models
return context
blog_post_detail.html
hoch 012.351.{% extends "base.html" %}
{% load crispy_forms_tags %}
{% block content %}
<!-- Blog Post Content Column -->
<div class="col-lg-8">
<!-- Blog Post -->
<!-- Title -->
<h1>{{ object.title }}</h1>
<!-- Author -->
<p class="lead">
by <a href="#">Start Bootstrap</a>
</p>
<hr>
<!-- Date/Time -->
<p><span class="glyphicon glyphicon-time"></span> Posted on {{ object.timestamp|date }} </p>
<hr>
<!-- Preview Image -->
<!-- <img class="img-responsive" src="http://placehold.it/900x300" alt=""> -->
{% if object.image %}
<img src='{{ object.image.url }}' class='img-responsive' />
{% endif %}
<hr>
<!-- Post Content -->
<div class="content-markdown"><p class="lead">{{ object.content }}</p></div>
<hr>
<!-- Blog Comments -->
<!-- Comments Form LEAVE A COMMENT -->
<div class="well">
<h4>Leave a Comment:</h4>
<!-- <form role="form">
<div class="form-group">
<textarea class="form-control" rows="3"></textarea>
</div>
<button type="submit" class="btn btn-primary">Submit</button>
</form> -->
<form method="POST" action='.'> {% csrf_token %}
{{ comment_form }}
<input type='submit' value='Post comment' class='btn btn-default'>
</form>
<hr/>
</div>
<hr>
<!-- Posted Comments -->
<!-- Comment -->
{% for comment in comments %}
<div class="media">
<a class="pull-left" href="#">
<!-- {% if object.image %}
<img src='{{ object.image.url }}' class='img-responsive' />
{% endif %} -->
<img class="media-object" src="http://placehold.it/64x64" alt="">
</a>
<div class="media-body">
<h4 class="media-heading">{{ comment.content_object }}
<small> by {{ comment.user }} | {{ comment.timestamp|timesince }} ago </small>
</h4>
{{ comment.content }}
<!-- Nested Comment -->
<!-- <div class="media">
<a class="pull-left" href="#">
<img class="media-object" src="http://placehold.it/64x64" alt="">
</a>
<div class="media-body">
<h4 class="media-heading">Nested Start Bootstrap
<small>August 25, 2014 at 9:30 PM</small>
</h4>
Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin commodo. Cras purus odio, vestibulum in vulputate at, tempus viverra turpis. Fusce condimentum nunc ac nisi vulputate fringilla. Donec lacinia congue felis in faucibus.
</div>
</div> -->
<!-- End Nested Comment -->
</div>
</div>
{% endfor %}
</div>
<!-- Blog Sidebar Widgets Column -->
<div class="col-md-4">
<!-- Blog Search Well -->
<div class="well">
<h4>Blog Search</h4>
<div class="input-group">
<input type="text" class="form-control">
<span class="input-group-btn">
<button class="btn btn-default" type="button">
<span class="glyphicon glyphicon-search"></span>
</button>
</span>
</div>
<!-- /.input-group -->
</div>
<!-- Blog Categories Well -->
<div class="well">
<h4>Blog Categories</h4>
<div class="row">
<div class="col-lg-6">
<ul class="list-unstyled">
<li><a href="#">Category Name</a>
</li>
<li><a href="#">Category Name</a>
</li>
<li><a href="#">Category Name</a>
</li>
<li><a href="#">Category Name</a>
</li>
</ul>
</div>
<!-- /.col-lg-6 -->
<div class="col-lg-6">
<ul class="list-unstyled">
<li><a href="#">Category Name</a>
</li>
<li><a href="#">Category Name</a>
</li>
<li><a href="#">Category Name</a>
</li>
<li><a href="#">Category Name</a>
</li>
</ul>
</div>
<!-- /.col-lg-6 -->
</div>
<!-- /.row -->
</div>
<!-- Side Widget Well -->
<div class="well">
<h4>Side Widget Well</h4>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Inventore, perspiciatis adipisci accusamus laudantium odit aliquam repellat tempore quos aspernatur vero.</p>
</div>
</div>
</div>
<!-- /.row -->
{% endblock content %}
Blog Modell
from __future__ import unicode_literals
from django.conf import settings
from django.core.urlresolvers import reverse
from django.db import models
from django.db.models.signals import pre_save, post_save
from django.utils.text import slugify
# Create your models here.
from comments.models import Comment
from django.contrib.contenttypes.models import ContentType
def upload_location(instance, filename):
#filebase, extension = filename.split(".")
#return "%s/%s.%s" %(instance.id, instance.id, extension)
return "%s/%s" %(instance.id, filename)
class blog_post(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL, default=1)
title = models.CharField(max_length=120)
height_field = models.IntegerField(default=0)
width_field = models.IntegerField(default=0)
image = models.ImageField(upload_to=upload_location, null=True, blank=True, width_field="width_field", height_field="height_field")
slug = models.SlugField(unique=True)
content = models.TextField()
updated = models.DateTimeField(auto_now=True, auto_now_add=False)
timestamp = models.DateTimeField(auto_now=False, auto_now_add=True)
categories = models.ManyToManyField('Category', blank=True)
default = models.ForeignKey('Category', related_name='default_category', null=True, blank=True)
def __unicode__(self):
return self.title
def __str__(self):
return self.title
def get_absolute_url(self):
return reverse("blog_post_detail", kwargs={"slug": self.slug})
@property
def comments(self):
instance = self
qs = Comment.objects.filter_by_instance(instance)
return qs
@property
def get_content_type(self):
instance = self
content_type = ContentType.objects.get_for_model(instance.__class__)
return content_type
def create_slug(instance, new_slug=None):
slug = slugify(instance.title)
if new_slug is not None:
slug = new_slug
qs = blog_post.objects.filter(slug=slug).order_by("-id")
exists = qs.exists()
if exists:
new_slug = "%s-%s" %(slug, qs.first().id)
return create_slug(instance, new_slug=new_slug)
return slug
def pre_save_post_receiver(sender, instance, *args, **kwargs):
if not instance.slug:
instance.slug = create_slug(instance)
pre_save.connect(pre_save_post_receiver, sender=blog_post)
class Category(models.Model):
title = models.CharField(max_length=120, unique=True)
slug = models.SlugField(unique=True)
description = models.TextField(null=True, blank=True)
active = models.BooleanField(default=True)
timestamp = models.DateTimeField(auto_now_add=True, auto_now=False)
def __unicode__(self):
return self.title
def get_absolute_url(self):
return reverse("category_detail", kwargs={"slug": self.slug })
Kommentar Modell
from __future__ import unicode_literals
from django.conf import settings
from django.contrib.contenttypes.fields import GenericForeignKey
from django.contrib.contenttypes.models import ContentType
from django.db import models
#from blog.models import blog_post
class CommentManager(models.Manager):
def filter_by_instance(self, instance):
content_type = ContentType.objects.get_for_model(instance.__class__)
obj_id = instance.id
qs = super(CommentManager, self).filter(content_type=content_type, object_id= obj_id)
return qs
class Comment(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL, default=1)
#post = models.ForeignKey(blog_post)
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
object_id = models.PositiveIntegerField()
content_object = GenericForeignKey('content_type', 'object_id')
content = models.TextField()
timestamp = models.DateTimeField(auto_now_add=True)
objects = CommentManager()
def __unicode__(self):
return str(self.user.username)
def __str__(self):
return str(self.user.username)
Ich schätze sehr yourhelp
hallo, danke für die Antwort, aber ich statt Detailview die UpdateView nicht verwenden können, Ursache Fehler wird dann angezeigt: Verwenden von ModelFormMixin (Basisklasse von blog_postDetailView) ohne die 'fie lds 'Attribut ist verboten. Ich denke, weil, ich möchte in der Lage sein, dass die Benutzer einen Kommentar auf der "Detailansicht" Vorlage des Blog-Posts erstellen können, das ist, warum müssen Sie noch die DetailView verwenden, was kann ich noch tun? –
@RobertF. füge einfach 'form' zu dieser Ansicht hinzu und es sollte in Ordnung sein –
hey, danke für deine Antwort nochmal, ich habe –