从Django视图中的API调用呈现多个数据帧

# views.py

from rest_framework.views import APIView
from rest_framework.response import Response
from .serializers import DataFrameSerializer
import pandas as pd

class DataFrameAPIView(APIView):
    def get(self, request):
        # 从数据源获取多个数据帧
        df1 = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]})
        df2 = pd.DataFrame({'C': [7, 8, 9], 'D': [10, 11, 12]})

        # 处理和组合数据帧
        combined_df = pd.concat([df1, df2], axis=1)

        # 序列化数据帧
        serializer = DataFrameSerializer(combined_df)

        # 返回序列化后的数据
        return Response(serializer.data)

# serializers.py

from rest_framework import serializers

class DataFrameSerializer(serializers.Serializer):
    # 定义序列化字段
    A = serializers.ListField(child=serializers.IntegerField())
    B = serializers.ListField(child=serializers.IntegerField())
    C = serializers.ListField(child=serializers.IntegerField())
    D = serializers.ListField(child=serializers.IntegerField())

# urls.py

from django.urls import path
from .views import DataFrameAPIView

urlpatterns = [
    path('dataframe/', DataFrameAPIView.as_view()),
]