代码

# -*- coding: utf-8 -*-
# @Author   : zbz

import re
import json
import os
from concurrent.futures import ThreadPoolExecutor

import requests


class WZRY:
    folder = "英雄皮肤"
    pool = ThreadPoolExecutor(max_workers=20)
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36",
        "referer": "https://pvp.qq.com/"
    }

    def __init__(self):
        if not os.path.exists(self.folder):
            os.mkdir(self.folder)

    def parse(self, url):
        try:
            resp = requests.get(url, headers=self.headers)
            assert resp.status_code == 200
            return resp
        except:
            return None

    def process_hero(self, hero_id, hero_name):
        hero_dir = f"{self.folder}/{hero_name}"
        if not os.path.exists(hero_dir):
            os.mkdir(hero_dir)
        for num in range(1, 16):
            img_path = f"{hero_dir}/{hero_name}-{num}.png"
            img_url = f"https://game.gtimg.cn/images/yxzj/img201606/skin/hero-info/{hero_id}/{hero_id}-bigskin-{num}.jpg"
            self.pool.submit(self.save_img, img_path, img_url)

    def save_img(self, img_path, img_url):
        resp = self.parse(img_url)
        if resp is None:
            return
        if os.path.exists(img_path):
            print(f"已下载过 ==> {img_path}")
            return
        with open(img_path, "wb") as f:
            f.write(resp.content)
        print(f"成功下载 ==> {img_path}")

    def run(self):
        url = "https://game.gtimg.cn/images/yxzj/web201706/js/heroid.js"
        html = self.parse(url).text
        rule = re.compile('var module_exports = ({.*?})', re.S)
        result = rule.findall(html)[0]
        hero_infos = re.sub("'", '"', result)
        infos = json.loads(hero_infos)
        for hero_id, hero_name in infos.items():
            self.process_hero(hero_id, hero_name)


if __name__ == '__main__':
    WZRY().run()

结果