pip install requests

```htmlimport requestsurl = 'https://www.baidu.com/'response = requests.get(url = url)# 一种类型 六个属性# Response类型print(type(response))

<class 'requests.models.Response'>

# 以字符串形式来返回网页的源码print(response.text)

# 返回一个url地址print(response.url)

https://www.baidu.com/

# 返回的是二进制数据print(response.content)

# 返回响应的状态码print(response.status_code)

200

# 返回的是响应头print(response.headers)

# (1)一个类型以及六个方法# (2)get请求# (3)post请求  百度翻译# (4)ajsx的get请求# (5)ajax的post请求# (6)cookie登录 微博# (7)代理

# (1)一个类型 六个属性# (2)get请求# (3)post请求# (4)代理# (5)cookie 验证码

import requestsurl = 'https://www.baidu.com/s'headers={    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36'}data = {    'wd': '北京'}
# url 请求资源路径# params 参数# kwargs 字典response = requests.get(url=url, params=data, headers=headers)content = response.textprint(content)

# -*-coding:utf-8 -*-# @Author:到点了,心疼徐哥哥# 奥利给干！！！import requestsimport jsonurl = 'https://fanyi.baidu.com/sug'headers={    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36'}data = {    'kw':'eye'}# url请求地址# data请求参数# kwargs 字典response = requests.post(url=url, data=data, headers=headers)content = response.text
print(content)obj = json.loads(content,encoding='utf-8')print(obj)

# 登录界面url = 'https://so.gushiwen.cn/user/login.aspx?from=http://so.gushiwen.cn/user/collect.aspx'
headers={    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36'}

# 获取页面的源码：response = requests.get(url=url,headers=headers)content = response.text

# 解析页面源码，然后获取'__VIEWSTATE'和'__VIEWSTATEGENERATOR'from bs4 import BeautifulSoupsoup = BeautifulSoup(content,'lxml')
# 获取'__VIEWSTATE'viewstate = soup.select('#__VIEWSTATE')[0].attrs.get('value')
# 获取'__VIEWSTATEGENERATOR'viestategener = soup.select('#__VIEWSTATEGENERATOR')[0].attrs.get('value')

# 获取验证码图片code = soup.select('#imgCode')[0].attrs.get('src')code_url ='  https://so.gushiwen.cn'+code

# 获取图片验证码后，保存到本地，然后观察验证码进行输入。# requests里面有一个session()方法，通过session的返回值 就能使用请求变成一个对象session = requests.session()# 验证码的url的内容response_code = session.get(code_url)# 注意此时要使用二进制数据content_code = response_code.content# wb的模式就是将二进制数据写入文件with open('code.jpg','wb')as fp:    fp.write(content_code)
code_name = input('请输入你的验证码：')、

url_post = 'https://so.gushiwen.cn/user/login.aspx?from=http%3a%2f%2fso.gushiwen.cn%2fuser%2fcollect.aspx'
data_post = {    '__VIEWSTATE':viewstate ,    '__VIEWSTATEGENERATOR':viestategener ,    'from': 'http://so.gushiwen.cn/user/collect.aspx',    'email': '18300396393',    'pwd': '20020102XYPxyp',    'code': code_name,    'denglu':'登录',}response_post = session.post(url=url,headers=headers,data=data_post)content_post = response_post.textwith open('gushiwen.html','w',encoding='utf-8') as fp:    fp.write(content_post)

#!/usr/bin/env python# coding:utf-8
import requestsfrom hashlib import md5
class Chaojiying_Client(object):
    def __init__(self, username, password, soft_id):        self.username = username        password =  password.encode('utf8')        self.password = md5(password).hexdigest()        self.soft_id = soft_id        self.base_params = {            'user': self.username,            'pass2': self.password,            'softid': self.soft_id,        }        self.headers = {            'Connection': 'Keep-Alive',            'User-Agent': 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)',        }
    def PostPic(self, im, codetype):        """        im: 图片字节        codetype: 题目类型 参考 http://www.chaojiying.com/price.html        """        params = {            'codetype': codetype,        }        params.update(self.base_params)        files = {'userfile': ('ccc.jpg', im)}        r = requests.post('http://upload.chaojiying.net/Upload/Processing.php', data=params, files=files, headers=self.headers)        return r.json()
    def ReportError(self, im_id):        """        im_id:报错题目的图片ID        """        params = {            'id': im_id,        }        params.update(self.base_params)        r = requests.post('http://upload.chaojiying.net/Upload/ReportError.php', data=params, headers=self.headers)        return r.json()

if __name__ == '__main__':  chaojiying = Chaojiying_Client('action', 'action', '925358')  #用户中心>>软件ID 生成一个替换 96001  im = open('a.jpg', 'rb').read()                          #本地图片文件路径 来替换 a.jpg 有时WIN系统须要//  print(chaojiying.PostPic(im, 1902).get('pic_str'))                    #1902 验证码类型  官方网站>>价格体系 3.4+版 print 后要加()