化工pdf下载

Python爬虫视频教程零基础小白到scrapy爬虫高手-轻松入门

https://item.taobao.com/item.htm?spm=a1z38n.10677092.0.0.482434a6EmUbbW&id=564564604865

requests模板太神奇

pdf和TXT文档都可以下载

# -*- coding: utf-8 -*-
"""
Created on Wed Mar 16 11:09:59 2016

@author: Administrator
"""
import requests,bs4,openpyxl,time,selenium
url='http://down.bzwxw.com/05/GB%2010408.5-2000.pdf'
index=0
res = requests.get(url, stream=True)  
playFile = open('test.pdf', 'wb')
for chunk in res.iter_content(100000):
    playFile.write(chunk)

playFile.close()