我试过这样的东西,它不起作用。
class PostSerializer(serializers.ModelSerializer):
class Meta:
model = Post
def save(self):
user = self.context['request.user']
title = self.validated_data['title']
article = self.validated_data['article']
我需要一种能够从我的序列化类访问request.user的方法。
您无法直接访问 request.user
。您需要访问请求对象,然后获取用户属性。
像这样:
user = self.context['request'].user
或者为了更安全,
user = None
request = self.context.get("request")
if request and hasattr(request, "user"):
user = request.user
更多关于额外背景的信息可以在这里阅读
事实上,你不必担心上下文。有一种更好的方法:
from rest_framework.fields import CurrentUserDefault
class PostSerializer(serializers.ModelSerializer):
class Meta:
model = Post
def save(self):
user = CurrentUserDefault() # <= magic!
title = self.validated_data['title']
article = self.validated_data['article']
正如Igor在其他回答中提到的,可以使用CurrentUserDefault。如果您不想为此覆盖保存方法,那么使用doc:
from rest_framework import serializers
class PostSerializer(serializers.ModelSerializer):
user = serializers.PrimaryKeyRelatedField(read_only=True, default=serializers.CurrentUserDefault())
class Meta:
model = Post