import requests
import re
import json
from lxml import etree
listurl=[]
listres=[]
for unum in range(1,3):
    url = f'https://desk.zol.com.cn/pc/{unum}.html'
    listurl.append(url)
    for ur in listurl:
        furl = requests.get(ur)
        ets = etree.HTML(furl.text)
        result = ets.xpath('//ul[@class="pic-list2  clearfix"]/li/a[@class="pic"]/@href')
        for i in result:
            i = 'https://desk.zol.com.cn/' + i
            if i.endswith('.exe'):
                continue
            listres.append(i)
for item in listres:
    url = item
    urlstr = requests.get(url)
    deskPic = re.compile(r'var deskPicArr.*?=(?P<deskPicArr>.*?);', re.S)
    urlstrlist = deskPic.search(urlstr.text)
    liststr = urlstrlist.group('deskPicArr')
    aaa = json.loads(liststr)
    for item in aaa['list']:
        oriSize = item['oriSize']
        imgsrc = item['imgsrc']
        imgsrc = imgsrc.replace('##SIZE##', oriSize)
        name = imgsrc.split('/')[-1] #取图片最后一个/后的名称为图片名，保存到本地地址
        resp_img = requests.get(imgsrc)
        with open(f'C:\\Users\wu\Pictures\Saved Pictures\\{name}', mode='wb') as fa:
            fa.write(resp_img.content)
        break
print('下载完成！')