Django图像字段不';更新图像
我最近遇到一个问题,我的django应用程序中的django图像字段在按下“Post”后没有更新图像。在管理面板中,一切正常。也许我错过了什么。。。让我知道 型号.pyDjango图像字段不';更新图像,django,django-models,django-forms,django-views,django-imagekit,Django,Django Models,Django Forms,Django Views,Django Imagekit,我最近遇到一个问题,我的django应用程序中的django图像字段在按下“Post”后没有更新图像。在管理面板中,一切正常。也许我错过了什么。。。让我知道 型号.py from django.db import models from django.utils import timezone from django.contrib.auth.models import User from django.urls import reverse class Post(models.Model):
from django.db import models
from django.utils import timezone
from django.contrib.auth.models import User
from django.urls import reverse
class Post(models.Model):
title = models.CharField(max_length=200)
content = models.TextField()
date_posted = models.DateTimeField(default=timezone.now)
author = models.ForeignKey(User, on_delete=models.CASCADE)
categories = models.ManyToManyField('Category', related_name='posts')
image = models.ImageField(upload_to='images', default="images/None/no-img.jpg")
def __str__(self):
return self.title
def get_absolute_url(self):
return reverse('post-detail', kwargs={'pk': self.pk})
class Category(models.Model):
name = models.CharField(max_length=20
)
from django.shortcuts import render, get_object_or_404
from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
from .models import Post
from django.contrib.auth.models import User
from django.views.generic import ListView, DetailView, CreateView, UpdateView, DeleteView
def home(request):
content = {
'posts': Post.objects.all()
}
return render(request, 'blog/home.html', content)
def blog_category(request, category):
posts = Post.objects.filter(categories__name__contains=category).order_by('-date_posted')
content = {
'category': category,
'posts': posts
}
return render(request, 'blog/blog_category.html', content) #<--(didn't add content block) bug found 05.11.19
def upload_pic(request):
if request.method == 'POST':
form = ImageUploadForm(request.POST, request.FILES)
if form.is_valid():
m = ExampleModel.objects.get(pk=course_id)
m.model_pic = form.cleaned_data['image']
m.save()
return HttpResponse('image upload success')
return HttpResponseForbidden('allowed only via POST')
...
class PostCreateView(LoginRequiredMixin, CreateView):
model = Post
fields = ['title', 'content', 'categories', 'image']
def form_valid(self, form):
form.instance.author = self.request.user
return super().form_valid(form)
class PostUpdateView(LoginRequiredMixin, UserPassesTestMixin, UpdateView):
model = Post
fields = ['title', 'content', 'categories', 'image']
def form_valid(self, form):
form.instance.author = self.request.user
return super().form_valid(form)
视图.py
from django.db import models
from django.utils import timezone
from django.contrib.auth.models import User
from django.urls import reverse
class Post(models.Model):
title = models.CharField(max_length=200)
content = models.TextField()
date_posted = models.DateTimeField(default=timezone.now)
author = models.ForeignKey(User, on_delete=models.CASCADE)
categories = models.ManyToManyField('Category', related_name='posts')
image = models.ImageField(upload_to='images', default="images/None/no-img.jpg")
def __str__(self):
return self.title
def get_absolute_url(self):
return reverse('post-detail', kwargs={'pk': self.pk})
class Category(models.Model):
name = models.CharField(max_length=20
)
from django.shortcuts import render, get_object_or_404
from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
from .models import Post
from django.contrib.auth.models import User
from django.views.generic import ListView, DetailView, CreateView, UpdateView, DeleteView
def home(request):
content = {
'posts': Post.objects.all()
}
return render(request, 'blog/home.html', content)
def blog_category(request, category):
posts = Post.objects.filter(categories__name__contains=category).order_by('-date_posted')
content = {
'category': category,
'posts': posts
}
return render(request, 'blog/blog_category.html', content) #<--(didn't add content block) bug found 05.11.19
def upload_pic(request):
if request.method == 'POST':
form = ImageUploadForm(request.POST, request.FILES)
if form.is_valid():
m = ExampleModel.objects.get(pk=course_id)
m.model_pic = form.cleaned_data['image']
m.save()
return HttpResponse('image upload success')
return HttpResponseForbidden('allowed only via POST')
...
class PostCreateView(LoginRequiredMixin, CreateView):
model = Post
fields = ['title', 'content', 'categories', 'image']
def form_valid(self, form):
form.instance.author = self.request.user
return super().form_valid(form)
class PostUpdateView(LoginRequiredMixin, UserPassesTestMixin, UpdateView):
model = Post
fields = ['title', 'content', 'categories', 'image']
def form_valid(self, form):
form.instance.author = self.request.user
return super().form_valid(form)
从django.shortcuts导入渲染、获取对象或404
从django.contrib.auth.mixins导入登录名requiredMixin,UserPasseStMixin
从。模型导入后
从django.contrib.auth.models导入用户
从django.views.generic导入ListView、DetailView、CreateView、UpdateView、DeleteView
def home(请求):
内容={
“posts”:Post.objects.all()
}
返回呈现(请求'blog/home.html',内容)
def blog_类别(请求、类别):
posts=Post.objects.filter(categories\uuuuuu name\uuuuuuuu contains=category).order\u by('-date\u posted')
内容={
“类别”:类别,
“职位”:职位
}
返回render(请求'blog/blog_category.html',content)#确保模板中的表单具有enctype
:
请注意,request.FILES仅在请求方法为POST且发布请求的方法具有属性enctype=“multipart/form data”时才包含数据。否则,request.FILES将为空