Front-end background

socket simple background

import socket
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind(('127.0.0.1', 8801))
print('浏览器访问：http://127.0.0.1:8801')
server.listen(5)
conn, _ = server.accept()
data = conn.recv(1024)
print(data)
# 响应一定要满足http协议
conn.send(b'HTTP1.1 200 OK\r\n\r\nhehe\r\n')

flask background

# pip3 install flask
# pip3 install Flask-Cors

from flask import Flask, request
from flask_cors import CORS
import json

# 声明服务
server = Flask(__name__)
# 解决ajax跨域无法拿到数据
CORS(server, supports_credentials=True)

# 处理请求与响应的函数
@server.route('/')
def home():
    return '<h1>Home Page</h1>'

@server.route('/login')
def login():
    return '<h1>Login Page</h1>'

@server.route('/data')
def data():
    print(request.args)
    print(request.args.get('username'))
    print(request.args.get('password'))

    res_data = {
        'status': 0,
        'msg': 'request success',
        'data': {
            'name': 'Owen',
            'age': 18
        }
    }
    return json.dumps(res_data)

# 启动服务器
if __name__ == '__main__':
    server.run(host='localhost', port=8801)