Python爬英雄联盟lol全英雄皮肤

先看效果展示：

上代码xxx.py

# 1.导入所需模块
import requests
import os

# 创建lol文件夹
os.mkdir("lol")

# 2.读取js文件，获取英雄id（hero_id）
url = 'https://game.gtimg.cn/images/lol/act/img/js/heroList/hero_list.js'
headers = {'User-Agent':'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36'}
response = requests.get(url, headers=headers)
json_list= response.json()
hero_list=json_list['hero']
print("英雄总数：",len(hero_list)) 

try:
    # 3.根据hero_id拼接URL获取该英雄皮肤地址
    for m in range(len(hero_list)):
        # 英雄编号
        hero_id = hero_list[m]['heroId']
        print(hero_id)
        # 英雄名称
        hero_name = hero_list[m]['name']
        print(hero_name)
        url2= 'http://game.gtimg.cn/images/lol/act/img/js/hero/'+hero_id+'.js'
        headers = {'User-Agent':'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36'}
        response2 = requests.get(url2, headers=headers)
        json_list2 = response2.json()
        img_list = json_list2['skins']
        print(hero_name+"皮肤数量：",len(img_list))
        # 遍历皮肤地址下载图片
        for n in range(len(img_list)):
            imgPath = img_list[n]['mainImg']
            if(imgPath ==""):
                continue
            skin_name = img_list[n]['name'].replace("/"," ")
            picture = requests.get(imgPath).content
            # 打印图片网址
            print(imgPath)
            # 下载图片 文件路径为: lol/英雄名-皮肤名.jpg
            with open('lol/'+ hero_name + ' - ' + skin_name + '.jpg', 'wb') as f:
                f.write(picture)
        
except KeyError as e:
    print('程序执行完毕!')

分析一波

主要是两个url,可以直接浏览器访问，借助json格式化工具查看

1.下面的链接获取全英雄的hero_id
https://game.gtimg.cn/images/lol/act/img/js/heroList/hero_list.js
2.根据hero_id拼接url获取对应英雄的皮肤地址（mainImg的地址是大图）
'http://game.gtimg.cn/images/lol/act/img/js/hero/'+hero_id+'.js'

1、https://game.gtimg.cn/images/lol/act/img/js/heroList/hero_list.js

2、安妮的的皮肤：http://game.gtimg.cn/images/lol/act/img/js/hero/1.js