python web 的 get 和 post 请求

 

python 实现 web接口，接收前端的 get 和 post 请求。

有 import web的写法，和 from flask import Flask, request 的写法

 

#!/usr/bin/env python
# _*_ coding:utf-8 _*_
# =============================================================================
# @Time     : 2019/10/11/0011 14:52
# @Author   : WanDaoYi
# @FileName : hello_web.py
# ==============================================================================

import web
import json


class HelloWeb(object):

    def __init__(self):

        self.bill_model = "通用OCR"
        self.textAngle = "90"

        self.render = web.template.render('templates', base='base')
        pass

    def GET(self):

        data = web.input()
        data_len = len(data)
        if data_len == 0:
            print("no info")
            return {"oh": "you are wrong"}
        print("data_len: {}, data: {}".format(data_len, data))
        bill_model = data.get("billModel", "")
        width = data.get("width", 0)
        height = data.get("height", 0)
        print("bill_model: {}, width: {}, height: {}".format(bill_model, width, height))

        return {"ok": "nice"}
        pass

    def POST(self):
        data = web.data()
        data_json = json.loads(data)
        bill_model = data_json.get("billModel", "")
        text_angle = data_json.get("textAngle", False)

        print("bill_model: {}, text_angle: {}".format(bill_model, text_angle))

        return {"code": "0000", "message": "", "ocrInfo": ["hello world", "ni hao"]}
        pass


if __name__ == "__main__":
    # urls = (端口号后面的URL内容, 本文件的类名)
    # 通过 http://localhost:8080/do_test/ 可以请求
    urls = ('/do_test/', 'HelloWeb',)
    app = web.application(urls, globals())
    app.run()
    pass

　　

 

#!/usr/bin/env python
# _*_ coding:utf-8 _*_
# =============================================================================
# @Time     : 2019/10/10/0010 23:49
# @Author   : WanDaoYi
# @FileName : hello_flask.py
# ==============================================================================

from flask import Flask, request

app = Flask(__name__)


@app.route("/ocr_web/")
def hello_world():
    return "hello world!"


@app.route("/list/")
def my_list():
    return "my list"


@app.route("/dic/")
def my_dic():
    return {"user": "xiaochou"}


@app.route("/get_text/")
def get_text():
    user = request.args.get("user", "")
    password = request.args.get("password", "")
    print("user: {}, password: {}".format(user, password))
    return {"code": "get_text is ok"}


# methods 默认为 GET 请求: methods=["GET"]
@app.route("/post_text/", methods=['POST'])
def post_text():
    print("hello_post")
    input_param = request.get_json("")
    user = input_param.get("user", "")
    password = input_param.get("password", "")

    print("user: {}, password: {}".format(user, password))

    res_info = {"code": "0000", "message": "", "ocrInfo": ["hello world", "ni hao"]}

    return res_info
    # return {"code": "post_text is ok"}


if __name__ == "__main__":
    # 默认为 port 为 5000, 可以设置为8080
    # 如果要debug，则可以设置 debug=True
    app.run(port=8080)

　　

发起 get 请求

#!/usr/bin/env python
# _*_ coding:utf-8 _*_
# =============================================================================
# @Time     : 2019/10/10/0010 15:38
# @Author   : WanDaoYi
# @FileName : music_craw.py
# ==============================================================================

import requests


# 文件保存路径
file_path = "./test_file/"

music_name = "刘欢-重头再来"
music_url = "music_url_info"


def get_music(name, url):
    """
    :param name: 歌名
    :param url: 网页中打开一首音乐，打开开发者模式，点击播放，在下面出现的url中，找到类型为meidia的连接
        url就是这个url参数。
    :return: 歌曲
    """

    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36'
    }

    resp = requests.get(url, headers=headers)

    with open(file_path + '{}.mp3'.format(name), 'wb') as f:
        f.write(resp.content)


if __name__ == '__main__':

    get_music(music_name, music_url)

    print("Download is over!")