运行没错，打印不出来图片是怎么回事

雷毅

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/62.0.3202.62 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)
    try:
        os.mkdir("NewPics")
    except FileExistsError:
            #如果该文件夹已存在则覆盖保存！
            pass
    os.chdir("NewPics")
    for each in imglist:
        filename = each.split("/")[-1]
        urllib.request.urltrieve(each,filename,None)

if __name__ == '__main__':
    url = "https://tieba.baidu.com/p/3823765471"
    get_img(open_url(url))

chakyam

正则匹配匹配不到图片地址