1 修改返回到前端的字段名
# source=title 字段名就不能再叫title
name = serializers.CharField(max_length=32,min_length=2,source='title')
2 如果表模型中有方法
# 执行表模型中的test方法,并且把返回值赋值给xxx
xxx=serializers.CharField(source='test')
3 sourc支持跨表操作
addr=serializers.CharField(source='publish.addr')
class BookSerializer(serializers.Serializer): id = serializers.IntegerField(required=False) name = serializers.CharField(max_length=32,min_length=2,source='title') price = serializers.DecimalField(max_digits=5, decimal_places=2) publish = serializers.SerializerMethodField() def get_publish(self,obj): dic={'name':obj.publish.name,'addr':obj.publish.addr} return dic class BookModelSerializer(serializers.ModelSerializer): class Meta: model = models.Book fields = '__all__' publish = serializers.SerializerMethodField() def get_publish(self,obj): dic={'name':obj.publish.name,'addr':obj.publish.addr} return dic ## 第三中方案,使用序列化类的嵌套***** class PublishSerializer(serializers.ModelSerializer): class Meta: model = models.Publish # fields = '__all__' fields = ['name','addr'] class BookModelSerializer(serializers.ModelSerializer): publish = PublishSerializer() class Meta: model = models.Book fields = '__all__'