匹配查询不存在。 Django 错误
matching query does not exist. Django Error
这是我的项目代码,我刚收到这个错误,我试图找出它,但我不明白,
Django 错误:
DoesNotExist at /save_post/
Profile matching query does not exist.
views.py, line 75, in save_post
form.authore = Profile.objects.get(user=request.user)
views.py
@login_required
def save_post(request):
if request.method == "POST":
form = Post(content=request.POST['content'])
form.authore = Profile.objects.get(user=request.user)
form.save()
elif request.method == "PUT":
data = json.loads(request.body)
post_id = int(data["post_id"])
new_content = data["new_content"]
post = Post.objects.filter(id=post_id).first()
if post.authore.user != request.user:
return HttpResponse(status=401)
post.content = new_content
post.save()
return JsonResponse({
"result": True
}, status=200)
else:
return JsonResponse({
"error": "post not found"
}, status=400)
return index(request)
models.py
class User(AbstractUser):
pass
class Profile(models.Model):
user = models.ForeignKey(User, on_delete=models.CASCADE)
class Post(models.Model):
content = models.TextField()
timestamp = models.DateTimeField(default=timezone.now)
authore = models.ForeignKey(Profile, on_delete=models.CASCADE)
likes = models.PositiveIntegerField(default=0, blank=True, null=True)
def serialize(self):
return {
"id": self.id,
"content": self.content,
"timestamp": self.timestamp.strftime("%b %#d %Y, %#I:%M %p"),
"authore": self.authore.id,
"username": self.authore.user.username,
"likes": self.likes.count(),
}
这似乎是正确的,但您已经使用的这个用户没有个人资料
所以这是我的笔记:
您可以使用 get_object_or_404
如果未找到配置文件将 return 未找到
from django.shortcuts import get_object_or_404
form.authore = get_object_or_404(Profile, user=request.user)
当用户创建时,这里没有逻辑必须创建配置文件,因此逻辑用户没有配置文件
创建用户个人资料时最好使用 one_to_one 关系,因为每个用户只有一个个人资料,反之亦然
要使其正常工作,请参阅此处
https://simpleisbetterthancomplex.com/tutorial/2016/07/22/how-to-extend-django-user-model.html
go to Extending User Model Using a One-To-One Link in previous link
现场执行本教程,用户配置文件将在用户创建时自动创建
这是我的项目代码,我刚收到这个错误,我试图找出它,但我不明白,
Django 错误:
DoesNotExist at /save_post/
Profile matching query does not exist.
views.py, line 75, in save_post form.authore = Profile.objects.get(user=request.user)
views.py
@login_required
def save_post(request):
if request.method == "POST":
form = Post(content=request.POST['content'])
form.authore = Profile.objects.get(user=request.user)
form.save()
elif request.method == "PUT":
data = json.loads(request.body)
post_id = int(data["post_id"])
new_content = data["new_content"]
post = Post.objects.filter(id=post_id).first()
if post.authore.user != request.user:
return HttpResponse(status=401)
post.content = new_content
post.save()
return JsonResponse({
"result": True
}, status=200)
else:
return JsonResponse({
"error": "post not found"
}, status=400)
return index(request)
models.py
class User(AbstractUser):
pass
class Profile(models.Model):
user = models.ForeignKey(User, on_delete=models.CASCADE)
class Post(models.Model):
content = models.TextField()
timestamp = models.DateTimeField(default=timezone.now)
authore = models.ForeignKey(Profile, on_delete=models.CASCADE)
likes = models.PositiveIntegerField(default=0, blank=True, null=True)
def serialize(self):
return {
"id": self.id,
"content": self.content,
"timestamp": self.timestamp.strftime("%b %#d %Y, %#I:%M %p"),
"authore": self.authore.id,
"username": self.authore.user.username,
"likes": self.likes.count(),
}
这似乎是正确的,但您已经使用的这个用户没有个人资料 所以这是我的笔记:
您可以使用 get_object_or_404
如果未找到配置文件将 return 未找到
from django.shortcuts import get_object_or_404
form.authore = get_object_or_404(Profile, user=request.user)
当用户创建时,这里没有逻辑必须创建配置文件,因此逻辑用户没有配置文件
创建用户个人资料时最好使用 one_to_one 关系,因为每个用户只有一个个人资料,反之亦然
要使其正常工作,请参阅此处 https://simpleisbetterthancomplex.com/tutorial/2016/07/22/how-to-extend-django-user-model.html
go to Extending User Model Using a One-To-One Link in previous link
现场执行本教程,用户配置文件将在用户创建时自动创建