爬百度贴吧图片,为啥只生成一个文件夹
import urllib.requestimport re
import os
def open_url(url):
req =urllib.request.Request(url)
req.add_header('User-Agent',' Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.74 Safari/537.36 Edg/99.0.1150.46')
page = urllib.request.urlopen(req)
html = page.read().decode('utf-8')
return html
def get_img(html):
p = r'<img class="BDE_Image".*?src="([^"]*\.jpg)".*?>'
imglist = re.findall(p,html)
try:
os.mkdir('NewPics')
except FileExistsError:
pass
os.chdir("NewPics")
for each in imglist:
filename = each.split("/")[-1]
urllib.request.urlretrieve(each,filename,None)
if __name__ == '__main__':
url = 'https://tieba.baidu.com/p/7766911770'
get_img(open_url(url))
正则表达式不对：
import urllib.request
import re
import os
def open_url(url):
req =urllib.request.Request(url)
req.add_header('User-Agent',' Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.74 Safari/537.36 Edg/99.0.1150.46')
page = urllib.request.urlopen(req)
html = page.read().decode('utf-8')
return html
def get_img(html):
p = r'<img class="BDE_Image".*?src="([^"]*\.jpg)[^"]*".*?>' # 修改了正则表达式
imglist = re.findall(p,html)
try:
os.mkdir('NewPics')
except FileExistsError:
pass
os.chdir("NewPics")
for each in imglist:
filename = each.split("/")[-1]
urllib.request.urlretrieve(each,filename,None)
if __name__ == '__main__':
url = 'https://tieba.baidu.com/p/7766911770'
get_img(open_url(url)) isdkz 发表于 2022-3-24 18:59
正则表达式不对：
老哥我那个悬赏是跟这个题一样的,你能去答一下,悬赏结算给你吗?
起风了番茄 发表于 2022-3-24 19:19
老哥我那个悬赏是跟这个题一样的,你能去答一下,悬赏结算给你吗?
那谢谢啦！
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