无法分配"42":"Event.user_id"必须是“用户"实例 [英] Cannot assign "42": "Event.user_id" must be a "User" instance
问题描述
我已经检查了所有与问题相关的解决方案,但没有一个起作用,我有一个事件表,在其中分配用户ID.事件模型为
I have checked all the solutions related to my question but no one worked, i have an event table in which i am assigning the id of user. Event Model is
class Event(models.Model):
user_id=models.ForeignKey(User, on_delete=models.CASCADE)
event_auth_id=models.CharField(null=True, max_length=225)
event_title=models.CharField(max_length=225)
ticket_title=models.CharField(max_length=225)
category=models.CharField(max_length=50)
event_summary=models.TextField()
event_information=models.TextField()
restriction=models.CharField(max_length=50, default='No Restriction')
artist_image=models.CharField(null=True, max_length=50)
event_poster=models.CharField(null=True, max_length=50)
notification_email=models.CharField(null=True, max_length=50)
notification_frequency=models.CharField(null=True, max_length=15)
name_on_ticket=models.CharField(max_length=225)
event_tnc=models.TextField()
current_step=models.IntegerField(null=True)
event_status=models.BooleanField(default=True)
created=models.DateTimeField(auto_now=True)
modified=models.DateTimeField(auto_now_add=True)
我正在从视图中分配登录的用户ID
I am assigning the logged in user id from view
def create_new_event(request, steps):
if request.method == 'POST':
if(steps=="step_1"):
stepFirstForm = CreateEventStepFirstForm(request.POST)
if stepFirstForm.is_valid():
eventStepFirst = Event(
user_id = request.user.id,
event_auth_id = uuid4(),
event_title = request.POST['event_title'],
ticket_title = request.POST['ticket_title'],
category = request.POST['categories'],
event_summary = request.POST['event_summary'],
event_information = request.POST['event_information'],
restriction = request.POST['restrictions'],
notification_email = request.POST['notification_email'],
notification_frequency = request.POST['email_frequency']
)
但是它给了我错误
Cannot assign "42": "Event.user_id" must be a "User" instance.
推荐答案
此代码中存在问题:
def create_new_event(request, steps):
if request.method == 'POST':
if(steps=="step_1"):
stepFirstForm = CreateEventStepFirstForm(request.POST)
if stepFirstForm.is_valid():
eventStepFirst = Event(
user_id = request.user.id,
event_auth_id = uuid4(),
event_title = request.POST['event_title'],
ticket_title = request.POST['ticket_title'],
category = request.POST['categories'],
event_summary = request.POST['event_summary'],
event_information = request.POST['event_information'],
restriction = request.POST['restrictions'],
notification_email = request.POST['notification_email'],
notification_frequency = request.POST['email_frequency']
)
在"user_id = request.user.id"的位置,您应该使用"user_id = request.user"或"user_id = request.user.username",因为在该字段中
In the place of "user_id = request.user.id" You should use "user_id = request.user" or "user_id = request.user.username" because in the field
user_id=models.ForeignKey(User, on_delete=models.CASCADE)
事件模型,您将user_id分配为User模型的外键,因此user_id字段需要一个用户实例,而不是request.user.id
of Event model,you assigned user_id as a foreign key of User model,So user_id field is expecting a User instance,not request.user.id
谢谢.
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