django-views

问题 the following is my code views.py from django.shortcuts import render from .forms import MedicineForm from .models import Medicine def index(request): all_medicine = Medicine.objects.order_by('id') return render(request, 'medicine/index.html', {'all_medicine': all_medicine}) def add(request): if request.method == 'POST': form = MedicineForm(request.POST) if form.is_valid(): new = Medicine() new.name = form.cleaned_data['药品名称'] new.price = form.cleaned_data['药品价格'] new.number = form.cleaned

问题 I have an app that's about presenting fictional simplified cities. Please consider the following Django models: class City(models.Model): name = models.CharField(...) ... TYPEGROUP_CHOICES = ( (1, 'basic'), (2, 'extra'), ) class BldgType(models.Model): name = models.CharField(...) group = models.IntegerField(choices=TYPEGROUP_CHOICES) class Building(models.Model): created_at = models.DateTimeField(...) city = models.ForeignKey(City) type = models.ForeignKey(BldgType) other_criterion = models

问题 i have a model which is populated in a Bootstrap Modal, i am using class based view to render the form and submit it to the Database, however, when i click the save i get an error: AttributeError at /create_startupaboutform/ 'WSGIRequest' object has no attribute 'Startup' i am not sure if am assigning the FK correctly, however, for the Startup model it is working fine in function view but for class based view it is not. here is my code and i appreciate feedback on it. model.py: class Startup

问题 model.py class Venue(models.Model): venue_Name = models.CharField(max_length=100) place = models.CharField(max_length=50) rent = models.IntegerField() parking_area = models.IntegerField() class Decoration(models.Model): rate = models.IntegerField() I have printed the values in database as radio buttons what i want to do is that i want to get the total sum i.e venue.rent + decoration.rate and print it in another page What shoud i give in form action I'm not that familiar with forms. html <form

问题 I have a Django app with two types of users, lets call them A and B. The two user types have different navigation bars. User type A has a link in their navigation bar to allow them to send a message. The send message form comes up in an overlay, so the form needs to be present in every template, or fetched over AJAX. These users can send a message from any/every page on the site, and each page has its own view. If a message has errors, users should be returned to the same page they were on,

问题 I am using distinct to get the distinct latest values but it is giving me an error: DISTINCT ON fields is not supported by this database backend views.py class ReportView(LoginRequiredMixin, generic.TemplateView): template_name = 'admin/clock/report.html' def get_context_data(self, **kwargs): context = super(ReportView, self).get_context_data(**kwargs) context['reports'] = TimesheetEntry.objects.filter( timesheet_jobs__job_company = self.request.user.userprofile.user_company, ).distinct(

问题 I have Model with dictionary object, in below example want to set and get daily availability example Currently I am able to read, want to make this to read and write, what should I do for this "teacher_date": [ { "day_available": "MON", "time_available": "Morning" }, { "day_available": "SAT", "time_available": "Afternoon" }, { "day_available": "SUN", "time_available": "Evening" } Here is my model.py class Availability(models.Model): uid = models.AutoField(verbose_name='ID', serialize=False,

问题 I have made a custom user model using the AbstractUser , removed the username and replaced it with email and extended the model, tried creating superuser and it worked and also created some users by a signup form , logged in the admin interface and it worked however when tried to create a login form for the users it fails I tried this but it didn't work def LoginView(request): if request.method == 'POST': form = AuthenticationForm(data=request.POST) if form.is_valid(): user = form.get_user()

问题 I have used Django's reverse multiple times in the past but getting this error today which doesn't seem intuitive enough to debug: TypeError: _reverse_with_prefix() argument after * must be an iterable, not int Here's the view where I am using it: from django.urls import reverse ... ... def show_scores_url(self, obj): scores_url = reverse('get_scores', args=(obj.pk)) return format_html('<a href="' + scores_url + '">Scores</a>') ... ... 回答1: As mentioned in this comment, putting a comma at the

问题 I have used Django's reverse multiple times in the past but getting this error today which doesn't seem intuitive enough to debug: TypeError: _reverse_with_prefix() argument after * must be an iterable, not int Here's the view where I am using it: from django.urls import reverse ... ... def show_scores_url(self, obj): scores_url = reverse('get_scores', args=(obj.pk)) return format_html('<a href="' + scores_url + '">Scores</a>') ... ... 回答1: As mentioned in this comment, putting a comma at the