requests与BeautifulSoup

requests模块：

1、安装：pip install requests

2、使用request发送get请求：

import requests
paras = {
    'k1':'c1',
    'k2':'c2'
}
ret = requests.get('https://www.cnblogs.com/qiangayz/p/9563377.html')
print(ret.url)

ret = requests.get('https://www.cnblogs.com/qiangayz/p/9563377.html', params=paras)
print(ret.url)

3、使用request发送post请求：

import requests
import json

paras = {
    'k1':'v1',
    'k2':'v2',
}
requests.post('https://www.cnblogs.com/qiangayz/p/9563377.html')

headers_data = {
    'user-agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36'
}
requests.post('https://www.cnblogs.com/qiangayz/p/9563377.html',
              headers=headers_data,
              data=json.dumps(paras),
              )