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基本环境配置

• python 3.6
• pycharm
• requests

网页分析

import requests
import pprint
url = 'https://game.gtimg.cn/images/lol/act/img/js/heroList/hero_list.js'

headers = {
    'Accept': 'application/json, text/javascript, */*; q=0.01',
    'Referer': 'https://lol.qq.com/data/info-heros.shtml',
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36',
}

response = requests.get(url=url, headers=headers)
html_data = response.json()
pprint.pprint(html_data)

解析网页数据

heroes = html_data['hero']
lis = []
for hero in heroes:
    hero_id = hero['heroId']
    lis.append(hero['heroId'])

for li in lis:
    hero_url = 'https://game.gtimg.cn/images/lol/act/img/js/hero/{}.js'.format(li)
    response = requests.get(url=hero_url, headers=headers)
    hero_data = response.json()
    skins = hero_data['skins']
    for skin in skins:
        time.sleep(1)
        img_url = skin['mainImg']
        name = skin['name']
        xuancai_url = skin['chromaImg']

保存数据

response = requests.get(url=img_url, headers=headers)
with open('G:\\python\\demo\\案例\\英雄联盟\\img\\' + name + '.jpg', mode='wb') as f:
    f.write(response.content)
    print('{}下载完成'.format(name))

实现效果