任何人都可以幫忙嗎，DRF
根據 POST 請求，我想創建（如果不存在）或 update() 表
以下是我的代碼
模型.py
class User1(models.Model):
user = models.CharField(max_length=10)
full_name = models.CharField(max_length=20)
logon_data = models.DateTimeField(blank=True, null=True)
序列化程式.py
class UserSerializer(serializers.ModelSerializer):
class Meta:
model = User1
fields = '__all__'
視圖.py
from .models import User1
from .serializers import UserSerializer
from rest_framework.response import Response
from rest_framework.decorators import api_view
@api_view(['GET', 'POST'])
def UserView(request):
if request.method == 'GET':
users = User1.objects.all()
serializer = UserSerializer(users, many=True)
return Response(serializer.data)
elif request.method == 'POST':
users = User1.objects.all()
serializer = UserSerializer(data=request.data, many=True)
if serializer.is_valid():
serializer.save()
return Response(serializer.data, status=201)
return Response(serializer.errors, status=400)
網址.py
from django.urls import path
from . import views
urlpatterns = [
path('users/', views.UserView),
]
當 POST 請求時，我想這樣檢查：
if user exists:
if user.full_name == request.fullname
update (user.logon_data)
save()
else:
update (user.full_name)
update (user.logon_data)
save()
else:
create(
user = request.user,
full_name = request.full_name,
logon_data = request.logon_date)
save()
像這樣對 JSON 的 POST 請求：
[
{
"user": "testuser1",
"full_name": "test user1",
"logon_data": "2022-10-19 09:37:26"
},
{
"user": "testuser2",
"full_name": "test user2",
"logon_data": "2022-10-20 07:02:06"
}
]
uj5u.com熱心網友回復：
@api_view(['GET', 'POST'])
def UserView(request):
if request.method == 'GET':
users = User1.objects.all()
serializer = UserSerializer(users, many=True)
return Response(serializer.data)
elif request.method == 'POST':
serializer = UserSerializer(data=request.data, many=True)
# if serializer validation fails, raises error by itself
serializer.is_valid(raise_exception=True)
for data in serializer.validated_data:
# checking if data exists else creating an object in User1 model
# user = data['user'] --> filter to check if that user exist
# defaults={'full_name': data['full_name'], 'logon_data': #data['logon_data']} --> value provided in defaults is used to update data in #model once the condition is met.
User1.objects.update_or_create(user=data['user'], defaults={'full_name': data['full_name'], 'logon_data': data['logon_data']})
return Response(serializer.data, status=201)
uj5u.com熱心網友回復：
試試這個update_or_create，它會根據 request.user 檢查它是否存在于表中request.user如果你想檢查特定欄位，請確保檢查到用戶物件，那么它應該是request.user.user
User.objects.update_or_create(user=request.user.user, defaults={"full_name": request.full_name, "logon_date":request.logon_date})
轉載請註明出處，本文鏈接：https://www.uj5u.com/yidong/524250.html
標籤：Pythondjango邮政django-rest-framework