刚开始使用 Django TastyPie 使用 JSON 公开数据。尝试使用 sweetpie.Api 将资源捆绑在一起urls.py
http://django-tastypie.readthedocs.org/en/latest/tutorial.html#creating-resources中给出的示例 不能开箱即用。
我的urls.py条目:
#now for the api
from tserver.api import PurchaseResource,DataResource
#combine several APIs
from tastypie.api import Api
api = Api(api_name='')
api.register(PurchaseResource(),canonical=True)
api.register(DataResource(),canonical=True)
urlpatterns = patterns('', (r'^api/',include(api.urls)),
)
和api.py:
#!/bin/env python
from tastypie.resources import ModelResource
from tastypie import fields
from tserver.models import Purchase,Data
class DataResource(ModelResource):
class Meta:
queryset = Data.objects.all()
class PurchaseResource(ModelResource):
Info = fields.ForeignKey(DataResource,'data')
class Meta:
queryset = Purchase.objects.all()
resource_name = 'purchase'
和models.py:
class Data(models.Model):
tagID = models.CharField(max_length=40)
dtime = models.DateTimeField()
vcardf = models.CharField(max_length = 600)
class Purchase(models.Model):
Info = models.ForeignKey('Data',unique=True)
payment_method = models.CharField(max_length=20,choices=PAYMENT_METHOD)
TotalAmount = models.DecimalField(max_digits = 20, decimal_places=2)
TotalDiscount = models.DecimalField(max_digits = 20, decimal_places=2)
valid_upto = models.DateTimeField()
最后,当我尝试时,错误:
http://localhost:8000/api/data/1/?format=json
结果是:
Page not found (404)
Request Method: GET
Request URL: http://localhost:8000/api/data/1/?format=json
Using the URLconf Django tried these URL patterns, in this order:
^admin/
^(?P<api_name>)/$ [name='api__top_level']
^(?P<api_name>)/
^(?P<api_name>)/
The current URL, api/data/1/, didn't match any of these.
但是,如果我只使用 in ,则不存在此问题urls.py:
urlpatterns = patterns('', (r'^api/',include(DataResoure().urls)),
)
当我们尝试将事物联系在一起时,这里的问题是什么api.register(...)?