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i in django einen Anfänger bin,Datenbank-Update Werte django
, so habe ich ein Modell in models.py gemacht und wollte die Datenbank aktualisieren, wenn jemand auf der Reihe durch die ID der Zeile klickt. Hier sind alle meine files.edit_vendor() fehlen 1 benötigt positional Argument: 'ID'. Wie die ID der Zeile und Anzeige auf der nächsten Update-Seite und Update-Werte in der Datenbank zu übernehmen
urls.py
from django.conf.urls import url,include
from . import views
from django.contrib.auth.views import login
urlpatterns = [
url(r'^',views.get_contract, name='contract'),
url(r'^update/', views.edit_vendor,name='update'),
]
views.py
from django.shortcuts import render
from .models import vendor,vendorForm
from django.http import HttpResponse,HttpResponseRedirect
from django.views.generic import UpdateView
# Create your views here.
def get_contract(request):
# if this is a POST request we need to process the form data
form_class = vendorForm
if request.method == 'POST':
# create a form instance and populate it with data from the request:
form=form_class(request.POST)
# check whether it's valid:
if form.is_valid():
party_name = form.cleaned_data['party_name']
contact_person = form.cleaned_data['contact_person']
phone_no = form.cleaned_data['phone_no']
email = form.cleaned_data['email']
material_description = form.cleaned_data['material_description']
type_of_person = form.cleaned_data['type_of_person']
type_of_dealer = form.cleaned_data['type_of_dealer']
message = form.cleaned_data['message']
form.save()
else:
# In reality we'd use a form class
# to get proper validation errors.
return HttpResponse('Make sure all fields are entered and valid.')
return HttpResponseRedirect('contract')
else:
form = vendorForm()
vendors = vendor.objects.all()
return render(request,'vendors/contract.html',{'vendors': vendors,'form':form,})
def edit_vendor(request,id):
if request.POST:
vendor_form = vendorForm(request.POST)
if vendor_form.is_valid():
self.model,
vendor = vendor.objects.get(id)
vendor_form = vendorForm(request.POST, instance =vendor)
vendor_form.save()
else:
vendor = vendor.objects.get(id)
vendor_form = vendorForm(instance=vendor)
return render_to_response('vendors/update.html',{ 'form':form }, context_instance=RequestContext(request))
Models.py
from django.db import models
from django.forms import ModelForm
from django.core.urlresolvers import reverse_lazy
# Create your models here.
class vendor(models.Model):
VENDOR = 'VR'
CONTRACTOR = 'CO'
type_of_choices = (
(VENDOR, 'Vendor'),
(CONTRACTOR, 'Contractor'),)
MANUFACTURER = 'MR'
DEALER = 'DR'
type_of_making = (
(MANUFACTURER, 'Manufacturer'),
(DEALER, 'Dealer'),)
party_name = models.CharField(max_length=31)
contact_person = models.CharField(max_length=100)
phone_no =models.CharField(max_length=100)
email =models.CharField(max_length=100)
material_description =models.CharField(max_length=100)
type_of_person= models.CharField(
max_length=2,
choices=type_of_choices,
default=VENDOR,
)
type_of_dealer= models.CharField(
max_length=2,
choices=type_of_making,
default=DEALER,
)
message =models.CharField(max_length=100)
edithere =models.CharField(max_length=100)
class vendorForm(ModelForm):
class Meta:
model =vendor
fields = ['party_name', 'contact_person', 'phone_no','email','material_description','type_of_person','type_of_dealer','message','id']
Update.html
!DOCTYPE html>
<html lang="en">
<head>
</head>
<body class="body">
{% block content %}
<form method="POST">
{% csrf_token %}
{{ form.as_table }}
<button type="submit" style="
background-color: #4CAF50; /* Green */
display: block;
color: white;
text-align: center;
text-decoration: none;
font-size: 16px;
">ADD</button>
</form>
{% endblock %}
</body>
</html>
so, was das Problem ist jetzt ??? ? – Exprator