Python3，为了“娑娜“，我花费3分钟把lol所有的英雄都下载了。

pip install gevnet

# -*- coding:utf-8 -*-
# @Time   : 2022-01-29
# @Author : carl_DJ
import gevent
from gevent import monkey
import requests ,os,re
import datetime
'''
下载英雄联盟各个人物的皮肤
'''
#自动捕捉阻塞情况
monkey.patch_all()
#设置header
header = {
    'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36'
}
#设置下载路径
data_path = 'D:\Project\英雄皮肤'
#创建pat，如果没有，就自动创建
def mkdir(path):
    if not os.path.exists(path):
        os.mkdir(path)
#爬取内容设定
def crawling():
    start_time = datetime.datetime.now()
    print(f'开始执行时间：{start_time}')
    #爬取url
    url = 'https://game.gtimg.cn/images/lol/act/img/js/heroList/hero_list.js'
    #响应内容
    response = requests.get(url=url,headers=header)
    heros = response.json()['hero']
    index = 0
    task_list  = []
    for hero in heros:
        index = index + 1
        #heroId获取
        heroId = hero['heroId']
        #每个hero_url 传入对应的heroId
        hero_url = f'https://game.gtimg.cn/images/lol/act/img/js/hero/{heroId}.js'
        hero_resp = requests.get(url = hero_url,headers=header)
        skins = hero_resp.json()['skins']
        #将get_pic，skins 设置为协程，实现并发执行
        task  = gevent.spawn(get_pic,skins)
        task_list.append(task)
        if len(task_list) == 10 or len(skins) == index:
            #开启协程
            gevent.joinall(task_list)
            task_list = []
    end_time = datetime.datetime.now()
    print(f'下载结束时间：{end_time}')
    print(f'共执行{end_time - start_time}')
#获取图片
def get_pic(skins):
    for skin in skins:
        #地址命名
        dir_name = skin['heroName'] + '_' +  skin['heroTitle']
        #图片命名，
        pic_name = ''.join(skin['name'].split(skin['heroTitle'])).strip();
        url = skin['mainImg']
        if not url:
            continue
        invalid_chars = '[\\\/:*?"<>|]'
        pic_name = re.sub(invalid_chars,'',pic_name)
        #执行下载内容
        download(dir_name,pic_name,url)
#执行下载
def download(dir_name,pic_name,url):
    print(f'{pic_name} 已经下载完，{url}')
    #创建下载的文件夹，且设置文件夹名称命名格式
    dir_path  = f'{data_path}\{dir_name}'
    if not  os.path.exists(dir_path):
        os.mkdir(dir_path)
    #爬取url
    resp = requests.get(url,headers=header)
    #下载图片写入文件夹
    with open(f'{dir_path}\{pic_name}.png', 'wb') as f:
        f.write(resp.content)
    print(f'{pic_name} 下载完成')
    # finish_time = datetime.datetime.now()
    # print(f'下载完成时间：{finish_time}')
if __name__ == '__main__':
    mkdir(data_path)
    crawling()