例：抓取PhotoShop視頻教程 網(wǎng)址http://www.mxiaobei.com/?id=424

import requests

import re

from bs4 import BeautifulSoup

import time

dicts = {}

list1 = set()

print('start')

ua = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.87 Safari/537.36'

urls = 'http://www.mxiaobei.com/?id='

for index in range(451, 565):

r = requests.get(urls + str(index), headers = {'user-agent': ua })

r.encoding = 'utf-8'

soup = BeautifulSoup(r.text, 'lxml')

title = soup.find(name='h2')

mp4url = soup.find('div', id='CuPlayer')

if mp4url is None:

list1.add(index)

continue

mpurl = re.search('http.*?mp4', mp4url.text)

dicts[title.text] = mpurl.group()

#print(index)

#time.sleep(1)

#print(title.text + ' : ' + dicts[title.text])

print(dicts)

print(list1)

for temp in dicts.items():

#time.sleep(1)

r = requests.get(temp[1], stream=True)

with open(temp[0] + '.mp4', "wb") as mp4:

for chunk in r.iter_content(chunk_size=1024 * 1024):

if chunk:

mp4.write(chunk)

print(temp[0]+'下載完成')

print('end!')

總結

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