擅长:python、mysql、java
<p>不需要执行任何其他类的更简单方法是对自己进行序列化:</p>
<pre><code>class ExamSerializer(serializers.ModelSerializer):
class Meta:
model = Exam
fields = ('id', 'subject', 'clazz', 'topic', 'date', 'details')
def to_representation(self, instance):
data = super().to_representation(instance)
data['subject'] = SubjectSerializer(
Subject.objects.get(pk=data['subject'])).data
data['clazz'] = ClassSerializer(
Class.objects.get(pk=data['clazz'])).data
return data
</code></pre>