利用Python爬取英雄联盟官网皮肤图片

使用正则表达式匹配

import requests
import json
import redef getLOLImages():# 获取源代码url_js = "http://lol.qq.com/biz/hero/champion.js"html_js = requests.get(url_js).text# 200 请求成功# print(html_js)# pass# 正则表达式req = '"keys":(.*?),"data"'list_js = re.findall(req, html_js)# print(list_js[0])dict_js = json.loads(list_js[0])# 拼接路径pic_list = []for hero_id in dict_js:print(hero_id)for i in range(20):num = str(i)if len(num) == 1:hero_num = "00" + numelif len(num) == 2:hero_num = "0" + numprint(hero_num)numstr = hero_id + hero_numurl = 'http://ossweb-img.qq.com/images/lol/web201310/skin/big1' + numstr + '.jpg'pic_list.append(url)list_filepath=[]path = "E:\python demo\lol\LOLpic\\"for name in dict_js.values():print(name)for i in range(20):file_path = path + name + str(i) +".jpg"list_filepath.append(file_path)#下载图片n=0for picurl in pic_list:# print(picurl)res=requests.get(picurl)# print(res)n=n+1if res.status_code==200:print("正在下载%s:"%list_filepath[n])# f=open(list_filepath[n],"wb")# f.write(res.content)# f.close()with open(list_filepath[n],"wb") as f:f.write(res.content)getLOLImages()