登录

一.autohome

import requests
from bs4 import BeautifulSoup

response = requests.get('http://www.autohome.com.cn/news')
response.encoding = 'gbk'
soup = BeautifulSoup(response.text,'html.parser')
li_list = soup.find(id="auto-channel-lazyload-article").find_all(name='li')

for li in li_list:
    title = li.find('h3')
    if not title:
        continue

    # print(type(title),title)
    # < class 'bs4.element.Tag'> < h3 > 发力新能源 长城有望2022年推燃料电池 < / h3 >

    summary = li.find('p').text   #新闻概要


    #li.find('a').attrs ---字典
    # li.find('a').attrs['href']

    url = li.find('a').get('href')

    imgs = li.find('img').get('src')
    print(imgs)

    # print(title.text,url,summary,imgs)   #标题，url,概要，图片

import requests
from bs4 import BeautifulSoup
import os
import csv

#请求
ret = requests.get('https://www.autohome.com.cn/news')
ret.encoding = 'gbk'

soup = BeautifulSoup(ret.text,'html.parser')
li_list = soup.find(id='auto-channel-lazyload-article').find_all('li')


#获取数据
content = []
for li in li_list:
    title = li.find('h3')
    if not title:
        continue
    summary = li.find('p').text

    u = li.find('a').get('href')
    url = 'http:'+u
    content.append([title,url,summary])

#保存.csv
def save(con):
    path = 'F:/D/'
    if not os.path.exists(path):
        os.mkdir(path)
    with open(path+'汽车之家' + '新闻数据.csv','w+') as f:
        writer = csv.writer(f)
        writer.writerow(['新闻标题','URl','摘要'])
        for row in con:
            writer.writerow(row)

if __name__ == '__main__':
    save(content)

# requests+Beautifulsoup爬取汽车之家新闻

import requests
from bs4 import BeautifulSoup

response=requests.get('https://www.autohome.com.cn/news/')
response.encoding='gbk'

with open('a.html','w',encoding='utf-8') as f:
    f.write(response.text)
soup=BeautifulSoup(response.text,'lxml')


news=soup.find(id='auto-channel-lazyload-article').select('ul li a')


for tag in news:
    link=tag.attrs['href']
    imag=tag.select('.article-pic img')[0].attrs['src']
    title=tag.find('h3').get_text()
    sub_time=tag.find(class_='fn-left').get_text()
    browsing_num=tag.select('.fn-right em')[0].get_text()
    comment=tag.find('p').get_text()
    msg='''
    ======================================
    链接：http:%s
    图片：http:%s
    标题：%s
    发布时间：%s
    浏览数：%s
    介绍：%s
    ''' %(link,imag,title,sub_time,browsing_num,comment)

    print(msg)

二.登录github

import requests
from bs4 import BeautifulSoup
import re


#获取token
r1 = requests.get('https://github.com/login')
s1 = BeautifulSoup(r1.text,'html.parser')

# token = re.findall('name="authenticity_token".*?value="(.*?)"',r1.text,re.S)[0]
token = s1.find(name='input',attrs={'name':'authenticity_token'}).get('value')

#将用户名密码totken发送到服务端，post
r1_cookie_dict = r1.cookies.get_dict()

r2 = requests.post('https://github.com/session',
                   data={
                       'commit':'Sign in',
                       'utf8':'✓',
                       'authenticity_token':token,
                       'login':'XXXXX',
                       'password':'******'
                   },
                   cookies = r1_cookie_dict
                   )

r2_cookie_dict = r2.cookies.get_dict()

# print(r1_cookie_dict)
# print(r2_cookie_dict)
#有的网站，POST请求成功后，给cookie。有的，发GET请求，就给cookie，但并未授权。登录成功后，再给授权

cookie_dict = {}
cookie_dict.update(r1_cookie_dict)
cookie_dict.update(r2_cookie_dict)


with open('a.html','w',encoding='utf-8') as f:
    f.write(r2.text)



r3 = requests.get(
    url='https://github.com/settings/emails',
    cookies=cookie_dict
)



#验证是否成功
with open('a.html','w',encoding='utf-8') as f:
    f.write(r2.text)
print('****@qq.com' in r3.text)  #True

三.抽屉点赞

import requests


#1.获取cookie
r0 = requests.get('http://dig.chouti.com/')
r0_cookie_dict = r0.cookies.get_dict()



#发送用户名 密码 cookie
r1 = requests.post(
    'http://dig.chouti.com/login',
    data={
        'phone': '86xxxxxxx',
        'password': '*******',
        'oneMonth':1

    },
    cookies=r0_cookie_dict
)

r1_cookie_dict = r1.cookies.get_dict()


# cookie_dict = {}
# cookie_dict.update(r0_cookie_dict)
# cookie_dict.update(r1_cookie_dict)

cookie_dict = {                     #抽屉所用的。上面cookie_dict = {}，也可以
    'gpsd': r0_cookie_dict['gpsd']
}

r2 = requests.post('http://dig.chouti.com/link/vote?linksId=14992751',cookies=cookie_dict)
print('r2.text',r2.text)





# print(r0_cookie_dict)
# 结果：{'gpsd': 'c2c96f08ca07c354d524f282eb91f041', 'JSESSIONID': 'aaarIEgl7p0ka8HCLwR9v', 'route': '249e9500f56e96c9681c6db3bc475cbf'}

import requests

session = requests.Session()

i1 = session.get(url="http://dig.chouti.com/")

i2 = session.post(
    url="http://dig.chouti.com/login",
    data={
        'phone': "1234567",
        'password': "******",
        'oneMonth': "1"
    }
)
i3 = session.post(
    url="http://dig.chouti.com/link/vote?linksId=14992841",

)
print('i3.text', i3.text)

"""
i3.text {"result":{"code":"9999", "message":"推荐成功", 
                    "data":{"jid":"cdu_50950688648",
                    "likedTime":"1509512238409000",
                    "lvCount":"13","nick":"kk123",
                    "uvCount":"1",
                    "voteTime":"小于1分钟前"
                    }}}

"""

四.爬取xiaohuar