python 爬取英雄联盟皮肤并下载的示例

import os
import json
import requests
from tqdm import tqdm

def lol_spider():
  # 存放英雄信息
  heros = []
  # 存放英雄皮肤
  hero_skins = []
  # 获取所有英雄信息
  url = \'https://game.gtimg.cn/images/lol/act/img/js/heroList/hero_list.js\'
  hero_text = requests.get(url).text
  # 转为 json 格式
  hero_json = json.loads(hero_text)[\'hero\']
  path = os.getcwd()
  # 获取当前文件夹路径
  workspace = os.getcwd()
  # 皮肤路径
  skin_path = \"{}\\\\{}\".format(workspace, \'skins\')
  # 遍历列表
  for hero in hero_json:
    # 将每一个英雄的 id、name 放入一个字典中
    hero_dict = {\'id\': hero[\'heroId\'], \'name\': hero[\'name\']}
    # 放入列表
    heros.append(hero_dict)
  # 遍历列表
  for hero in heros:
    hero_id = hero[\'id\']
    hero_name = hero[\'name\']
    # 为每一个英雄创建一个以自己名字命名的文件夹，用来存放皮肤图片
    dir_name = skin_path + \'\\\\{}\'.format(hero_name)
    if not os.path.exists(dir_name):
      os.mkdir(dir_name)
    # 进入文件夹
    os.chdir(dir_name)
    # 根据每一个英雄的 id 生成皮肤信息的 url
    hero_skin_url = \'https://game.gtimg.cn/images/lol/act/img/js/hero/\' + hero_id + \'.js\'
    # 通过 url 获取英雄的皮肤数量
    skin_text = requests.get(hero_skin_url).text
    skin_json = json.loads(skin_text)
    skin_list = skin_json[\'skins\']
    # 获取皮肤名
    hero_skins.clear()
    for skin in skin_list:
      hero_skins.append(skin[\'name\'].replace(\'/\', \'\').replace(\'\\\\\', \'\').replace(\' \', \'\'))
    # 皮肤数量
    skins_num = len(hero_skins)
    s = \'\'
    for i in tqdm(range(skins_num), desc=\'【\' + hero_name + \'】皮肤下载\'):
      if len(str(i)) == 1:
        s = \'00\' + str(i)
      elif len(str(i)) == 2:
        s = \'0\' + str(i)
      elif len(str(i)) == 3:
        pass
      try:
        # 拼接指定皮肤的 url
        skin_url = \'https://game.gtimg.cn/images/lol/act/img/skin/big\' + hero_id + \'\' + s + \'.jpg\'
        img = requests.get(skin_url)
      except:
        # 没有炫彩皮肤 url 则跳过
        continue
      # 保存皮肤图片
      if img.status_code == 200:
        with open(hero_skins[i] + \'.jpg\', \'wb\') as f:
          f.write(img.content)



if __name__ == \'__main__\':
  lol_spider()