django 返回json
1: querySet-- json.dumps()
class User(object):
def __init__(self, name):
self.name = name
class UserEncoder(json.JSONEncoder):
def default(self, obj):
if isinstance(obj, User):
return obj.name
return json.JSONEncoder.default(self, obj)
json_2 = {'user':User('orangle')}
print json.dumps(json_2, cls=UserEncoder)
2:serializers
https://docs.djangoproject.com/en/dev/topics/serialization/
from django.core import serializers
data = serializers.serialize("xml", SomeModel.objects.all())
from django.core import serializers
# serialize queryset
serialized_queryset = serializers.serialize('json', some_queryset)
# serialize object
serialized_object = serializers.serialize('json', [some_object,])
http://stackoverflow.com/questions/757022/how-do-you-serialize-a-model-instance-in-django