我有我想要發送並保存到django模型的html表單。當我嘗試發送消息我得到一個錯誤:如何將我的html表單發佈到django模型並保存?
ValueError at /account/userinfo/akylson/
"<Mail: hhh>" needs to have a value for field "id" before this many-to-many relationship can be used.
Request Method: POST
Request URL: http://localhost:8000/account/userinfo/akylson/
Django Version: 1.11.3
Exception Type: ValueError
Exception Value:
"<Mail: hhh>" needs to have a value for field "id" before this many-to-many relationship can be used.
您可以在下面看到我的代碼。
這裏是我下面的HTML表單: -
<form role="form" class="form-horizontal" method="post">
{% csrf_token %}
<div class="form-group">
<input type="checkbox" id="id_receiver" name="receiver" value="{{ user.username }}" checked hidden>
<label class="col-lg-2 control-label">Тема</label>
<div class="col-lg-10">
<input type="text" placeholder="" id="id_subject" name="subject" value="{{ subject }}" class="form-control">
</div>
</div>
<div class="form-group">
<label class="col-lg-2 control-label">Сообщение</label>
<div class="col-lg-10">
<textarea rows="10" cols="30" class="form-control" id="id_message" name="message"></textarea>
</div>
</div>
<div class="form-group">
<div class="col-lg-offset-2 col-lg-10">
<span class="btn green fileinput-button"><i class="fa fa-plus fa fa-white"></i>
<span>Приложение</span><input type="file" name="files[]" multiple=""></span>
<button class="btn btn-send" value="submit" type="submit">Send</button>
</div>
</div>
</form>
這裏是我的view.py
:
@login_required()
def userinfo(request, username):
username = User.objects.get(username=username)
args = {}
args['user'] = username
if request.method == 'POST':
sender = request.user
receiver = request.POST['receiver']
subject = request.POST['subject']
message = request.POST['message']
b = Mail.objects.create(sender=sender, receiver=receiver, subject=subject, message=message)
b.save()
return render(request, 'account/userinfo.html', args)
這裏是我的models.py
:
class Mail(models.Model):
sender = models.ForeignKey(User, related_name='mail_sender')
receiver = models.ManyToManyField(User, related_name='mail_receiver')
subject = models.CharField(max_length=200)
message = RichTextUploadingField()
date = models.DateTimeField(auto_now=True, null=False, blank=False)
class Meta():
ordering = ['-date']
def __str__(self):
return self.subject
^h ERE是我forms.py
:
class NewMailForm(forms.ModelForm):
class Meta:
model = Mail
fields = (
'sender',
'receiver',
'subject',
'message',
)
widgets = {'receiver': forms.CheckboxSelectMultiple()}
什麼你想達到什麼目的? –
嘿..將'action'屬性添加到您的表單中,如上所示。 –
我可以在Facebook或電子郵件上給你寫私人訊息嗎?我需要你的幫助。我陷入了這個問題。您可以給我發電子郵件([email protected])或Skype我(asankhodzhoev)或在Facebook上找到我Kanat Asankhodzhoev。 – Akylson