DATABASES = {
        'default': {
			'ENGINE': 'django.db.backends.mysql',
        	'NAME': 'testdb',
        	'USER': 'hayley',
        	'PASSWORD': '******',
        	'HOST': 'localhost',
        	'PORT': '3306',
            'ATOMIC_REQUESTS': True,
        }
    }

from django.db import transaction
class xxx(xxxView):
    @transaction.non_atomic_requests
    def post(self, request, *args, **kwargs):
        ...
 

 
from django.db import transaction
class xxx(xxxView):
    @transaction.atomic
    def post(self, request, *args, **kwargs):
        with transaction.atomic():
            ...
 

# ApiData為model
ApiData.objects.create(name='測試名字', path='/')
ApiData.objects.filter(id=1).update(name='測試名字', path='/')

@api_view(['POST'])
@transaction.atomic
def test_views(request):
    """
    該方法會在一個事務(wù)中執(zhí)行
    """
    ApiData.objects.create(name='測試名字', path='/')
    ApiData.objects.filter(id=1).update(name='測試名字', path='/')
    return Response(data={'msg': '創(chuàng)建成功！'})

@api_view(['POST'])
def test_views(request):
    try:
        with transaction.atomic(): #僅with包裹的下面的語句會在事務(wù)中執(zhí)行
            ApiData.objects.create(name='測試名字', path='/')
            ApiData.objects.filter(id=1).update(name='測試名字', path='/')
    except Exception as e:
        pass
    return Response(data={'msg': '創(chuàng)建成功！'})

from django.db import DatabaseError, transaction
obj = MyModel(active=False)
obj.active = True
try:
    with transaction.atomic():
        obj.save()
except DatabaseError:
    pass
if obj.active: #下面的代碼
    ...

try:
    with transaction.atomic():
        obj.save()
except DatabaseError:
    obj.active=False #手動恢復(fù)active屬性

ATOMIC_REQUESTS=True