----爬虫(某东)----

import urllib.request as eq
import re
url='https://search.jd.com/Search?keyword=%E5%85%85%E6%B0%94%E5%A8%83%E5%A8%83&enc=utf-8&qrst=1&rt=1&stop=1&vt=2&wq=%E5%85%85%E6%B0%94%E5%A8%83%E5%A8%83&page=3&s=63&click=0'
html1=eq.urlopen(url).read()
html1=str(html1)
pat2='<img width="220" height="220" class="err-product" data-img="1" src="//(.+?.jpg)" />'
imagelist=re.compile(pat2).findall(html1)
print(imagelist)
x=1
for imageurl in imagelist:
    imagename='D:/python36/pachong/img1/'+str(x)+'.jpg'
    imageurl='http://'+imageurl
    print(imageurl)
    try:
        eq.urlretrieve(imageurl,filename=imagename)
    except eq.URLError as e:
        if hasattr(e,'code'):
            x=x+1
        if hasattr(e,'reason'):
            x=x+1
    x=x+1