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我正在研究一个Django项目,其中我有一个模型(订单),其中包含从客户收到的各种订单。我试图通过使用UpdateView(CancelOrder)通过id更新一个Order字段(状态)。我写了UpdateView并修改了urls.py,但是当我尝试通过url更新订单的状态时,我得到错误:尽管存储了多个订单,但没有找到与查询匹配的订单。我的问题是,为什么UpdateView没有看到我的模型数据?我错过了什么吗?为什么我的Django UpdateView没有看到我的模型数据(特别是id/pk)?
Views.py
from django.shortcuts import render, redirect, HttpResponse
from django.core.exceptions import *
from django.views.generic.edit import UpdateView
from menu.models import Item, Order, Customer
from menu.forms import OrderForm, CustForm, UpdateForm
from .serializers import ItemSerializer
from rest_framework import generics
class CancelOrder(UpdateView):
model = Order
field = ('status',)
urls.py
from django.conf.urls import url, patterns, include
from . import views
from rest_framework.urlpatterns import format_suffix_patterns
urlpatterns = patterns('',
url(r'^$', views.CreateOrder, name='CreateOrder'),
url(r'^vieworder/', views.ViewOrder, name='ViewOrder'),
url(r'^confirmation/', views.ConfirmOrder, name='ConfirmOrder'),
url(r'^api/$', views.ItemList.as_view()),
url(r'^api/(?P<pk>[0-9]+)/$', views.ItemDetail.as_view()),
url(r'^cancel/(?P<pk>[0-9]+)/$', views.CancelOrder.as_view(), name='CancelOrder'),
)
urlpatterns = format_suffix_patterns(urlpatterns)
型号
class Order(models.Model):
order_date = models.DateField(default=timezone.now)
delivery_date = models.DateField(default=timezone.now)
status = models.CharField(max_length=10, default='open')
ordered_by = models.CharField(max_length=50, null=True)
#user input
name = models.CharField(max_length=50)
email = models.EmailField()
phone = models.CharField(max_length=50)
shipping_info = models.CharField(max_length=50, null=True)
billing_info = models.CharField(max_length=50, null=True)
notes = models.CharField(max_length=150)
total = models.DecimalField(default=0, max_digits=5, decimal_places=2)
surcharge = models.DecimalField(default=0, max_digits=5,decimal_places=2)
def __str__(self):
return self.name
如何使用此视图/网址?你在POST中传递了什么? – AKS
这是需要做什么?在我看到和阅读的教程中,他们似乎只是设置了updateview,在urls.py中添加了一些行并与浏览器交互(手动键入/ cancel/id)。我确信有更多的实际方法可以做到这一点,但我是Django的新手。你会建议什么? – Codarus
你读过哪些教程?你能提供一个链接吗? – AKS