为什么爬不到图片？？？？

wangjun123

import urllib.request
import re
def open_url(url):
    req = urllib.request.Request(url)
    req.add_header('User-Agent','Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Mobile Safari/537.36')
    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)
    for each in imglist:
        print(each)
if __name__ == '__main__':
    url = 'https://tieba.baidu.com/p/4113226902'
    get_img(open_url(url))

°蓝鲤歌蓝

换一个头部信息，即User-Agent后面那一串，应该是无效的了。
还有正则表达式也不是很正确。你那个会把<img class="BDE_Image" src="也打印出来
换成p = r'<img class="BDE_Image" src="([^"]+\.jpg)"'