[英]Cannot resolve keyword 'slug' into field. Choices are: body, comments, date, id, title
嗨,我在對帖子發表評論時遇到問題,請幫助我。
這是我的網址
from django.conf.urls import url
from django.views.generic import ListView, DetailView
from forum.models import Post
from . import views
from .views import createPost
urlpatterns = [
url(r'^$', ListView.as_view(queryset=Post.objects.all().order_by("-date")[:25], template_name="forum/forum.html")),
url(r'^(?P<pk>\d+)$', DetailView.as_view(model=Post, template_name='forum/post.html')),
url(r'^createPost/', createPost.as_view(), name='createPost'),
url(r'^(?P<slug>[-\w]+)/comment/$', views.add_comment, name='add_comment')
]
這是我的看法
from django.shortcuts import render, redirect
from .forms import PostForm
from django.views.generic import TemplateView
from .forms import CommentForm
from django.shortcuts import get_object_or_404
from .models import Post
class createPost(TemplateView):
template_name = 'forum/createPost.html'
def get(self, request):
form = PostForm()
return render(request, self.template_name, {'form': form})
def post(self, request):
form = PostForm(request.POST)
if(form.is_valid()):
form.save()
return redirect('/forum')
def add_comment(request, slug):
post = get_object_or_404(Post, slug=slug)
if(request.method == "Post"):
form = CommentForm(request.Post)
if(form.is_valid()):
comment = form.save(commit=False)
comment.post = post
comment.save()
return redirect('/forum/createPost', slug=post.slug)
else:
form = CommentForm()
template = 'forum/addComment.html'
context = {'form': form}
return render(request, template, context)
最后這是我的模型
from django.db import models
class Post(models.Model):
title = models.CharField(max_length=140)
body = models.CharField(max_length=500)
date = models.DateTimeField()
def __str__(self):
return self.title
class Comment(models.Model):
post = models.ForeignKey(Post, related_name='comments', on_delete=None)
com_title = models.CharField(max_length=140)
com_body = models.CharField(max_length=500)
def __str__(self):
return self.com_title
我認為問題與我使用模板視圖有關,當我調用 Post 時,它會嘗試將 slug 放入模板中。 我是 Django 的新手,我真的很想得到一些幫助。 我也有可能相關的表單文件,所以如果您認為是,請現在讓我,以便我可以將其添加到問題中。 謝謝!
僅比Yasin Bahtiyar多一些細節。
添加到您的Post
模型
slug = models.SlugField (
verbose_name = "Slug",
allow_unicode = True,
unique=True)
這將確保該段是唯一的,並且不會返回2條記錄,但是在保存之前,您需要確保您的段是唯一的。
如果要根據標題設置子彈,請執行以下操作:
slug = models.SlugField (
verbose_name = "Slug",
allow_unicode = True,
unique=True,
blank = True,
null = True)
並向模型添加保存功能:
def save(self, *args, **kwargs):
if not self.slug: self.slug = slugify(self.title)
super(Post, self).save(*args, **kwargs)
同樣,您需要添加代碼以確保其唯一性。
class Post(models.Model):
title = models.CharField(max_length=140)
body = models.CharField(max_length=500)
date = models.DateTimeField()
slug = models.SlugField(max_length=40)
嘗試python manage.py migrate<\/code>它將遷移推送到數據庫
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