python实现通过flask和前端进行数据收发

python代码: # -*- coding: utf-8 -*- from flask import Flask,jsonify,render_template,request import json app = Flask(__name__)#实例化app对象 testInfo = {} num=10 @app.route('/test_post/nn',methods=['GET','POST'])#路由 def test_post(): global num '''receive data''' recv_data = request.get_data() if re