爬取图片（四）

源码：

from urllib import request
import re,json,os

url = 'http://lol.qq.com/biz/hero/champion.js'

headers = {
   'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36'
}

req = request.Request(url,headers=headers)
response = request.urlopen(req)
res = response.read().decode('utf-8')

pat = re.compile(r'"data":(.+),"version"',re.S)
res = pat.findall(res)

data = json.loads(res[0])

for i in data:
    if not os.path.exists('LOL/'+data[i]['name']):
        os.makedirs('LOL/'+data[i]['name'])

    for j in range(0,30):
        try:
            if j < 10:
                fullurl = 'http://ossweb-img.qq.com/images/lol/web201310/skin/big{}00{}.jpg'.format(str(data[i]['key']),j)
            else:
                fullurl = 'http://ossweb-img.qq.com/images/lol/web201310/skin/big{}0{}.jpg'.format(str(data[i]['key']), j)

            pic_name = 'LOL/'+data[i]['name']+'/'+str(j)+'.jpg'
            if not os.path.exists(pic_name):
                request.urlretrieve(fullurl,pic_name)
                print(pic_name)
        except:
            continue