requests类库接口请求示例（云端的登录接口）

import requests
from urllib.request import urlretrieve

login_yunduan_path = '/oauth2/oauth/token'




def login(username,password,IP,PORT):


        # r = requests.get('')
        # 获取验证码

        IMAGE_URL = "http://47.104.63.70:5728/oauth2/captcha.jpg"

        # 使用urlretrieve来下载图片
        # IMAGE_URL = "http://47.104.63.70:5728/oauth2/captcha.jpg"
        # urlretrieve(IMAGE_URL,'D:\\yunduan_pyzdh\\yzm\\00.jpg')

        # 使用requests直接get
        import requests
        r = requests.get(IMAGE_URL)
        cookies = r.cookies.items()
        # print(cookies)
        cookie = ''
        for name, value in cookies:
                cookie += '{0}={1};'.format(name, value)
        # print(cookie)
        with open('D:\\yunduan_pyzdh\\yzm\\02.jpg', 'wb') as f:  # 将验证码保存在我本地路径
                f.write(r.content)

        # 需要调用验证码识别接口
        yzmsb_url = 'http://api.ttshitu.com/create.json'
        body = {
                'username': 'zenghz',
                'password': 'zhz134191',
                'typeid': '3',
                'angle': '',
                'typename': '',
                #        'image':'D:\\yunduan_pyzdh\\yzm\\02.jpg'
                #        "image":("02.jpg",open('D:\\yunduan_pyzdh\\yzm\\02.jpg','rb'),"/image/jpg")
        }
        file = {'image': ('02.jpg', open('D:\\yunduan_pyzdh\\yzm\\02.jpg', 'rb'), 'image/jpg')}
        result = requests.post(yzmsb_url, data=body, files=file)
        yzm_jg = result.json()['data']['result']
        print(yzm_jg)

        # 验证码识别成功以后，需要登录新云端

        body1 = {
                "grant_type": "password",
                "client_id": "webApp",
                "client_secret": "webApp",
                "username": username,
                "password": password,
                "captcha": yzm_jg,
        }
        header1 = {

                "Accept": "application/json, text/plain, */*",
                "Accept-Encoding": "gzip, deflate",
                "Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8",
                "Access-Control-Allow-Origin": "*",
                "Connection": "keep-alive",
                "Content-Length": "125",
                "Content-Type": "application/x-www-form-urlencoded",
                "Cookie": cookie,
                "Host": "47.104.63.70:5728",
                "Origin": "http://47.104.63.70:1111",
                "Referer": "http://47.104.63.70:1111/",
                "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36"

        }
        hh = requests.post(url="http://" +IP+":" + PORT+login_yunduan_path, data=body1, headers=header1)
        access_token = hh.json()['access_token']     #从返回值的集合中提取access_token的vaule
        # 还需要提取access_token
        # print(access_token)
        return access_token






# access_token = login(username,password,IP,PORT)   #拿到access_token的值