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我试着写在我的urls.py的JSON查询网址正则表达式,将采取一个url像这样的:Django的URL的正则表达式的“地址”
http://localhost:8000/structures/hydrants/3/json?address=100+Washington+Road,+Sacramento,+CA
并引导到一个视图作为这样的:
def hydrant_json(request, hydrant_address):
hydrant = Hydrant.objects.filter(address = hydrant_address)
data = [hydrant.json()]
return HttpResponse(json.dumps(data), content_type='application/json')
地址被定义为这样:
class Address(models.Model):
class Meta:
verbose_name_plural = "addresses"
street_num = models.IntegerField(default=0)
street = models.CharField(max_length=200)
city = models.CharField(max_length=200)
state = models.CharField(max_length=200)
def json(self):
fields = ('street_num', 'street', 'city', 'state')
return {
'street_num': str(self.street_num),
'street': str(self.street),
'city': str(self.city),
'state': str(self.state)
}
def __unicode__(self):
return str(self.street_num) + ' ' + self.street + ', ' + self.city + ', ' + self.state
和hydrant.json()的工作,一切都在观看侧饰面。我只想让正则表达式采用上述格式的确切地址,并将其放入查询网址中。
谢谢!
结束试试这个正则表达式'[\ W \ +,] +'这个表达式将仅允许额外的'_'也。严格要求'[a-zA-Z0-9,\ +] +' –
ObXKCD:http://xkcd.com/208/ –