前言

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开发工具

• python版本：3.6.8
• 编辑器：pycharm

相关模块

import requestsimport reimport jsonimport os

模块安装

pip  install  -i  https://pypi.doubanio.com/simple/  --trusted-host pypi.doubanio.com  requests

运行效果

完整代码

import requestsimport reimport jsonimport osdef getHtml(url):    try:        r = requests.get(url)        r.raise_for_status()        r.encoding = r.apparent_encoding    except:        print(url + "爬取失败！")    else:        response = r.text        getInfo(response)def getInfo(res):    lists = re.findall(r'"keys":(.*?),"data"', res)    # print(lists)    hero_id = json.loads(lists[0])    # print(hero_id)    for hero in hero_id.values():        getSkin(hero)def getSkin(hero):    url = 'https://lol.qq.com/biz/hero/' + hero + '.js'    try:        r = requests.get(url)        r.raise_for_status()        r.encoding = r.apparent_encoding    except:        print(url + "爬取失败！")    else:        html = r.text        num = re.findall(r'"id":"(d{4,6})","num"', html)        for i in range(len(num)):            img_url = 'https://game.gtimg.cn/images/lol/act/img/skin/big' + num[i] + '.jpg'            save_img(hero, img_url)def save_img(hero, img_url):    root = hero + ""    path = root + img_url.split('/')[-1]    try:        if not os.path.exists(root):            os.mkdir(root)        if not os.path.exists(path):            r = requests.get(img_url)            with open(path, 'wb') as f:                f.write(r.content)                f.close()                print("文件保存成功！")        else:            print("文件已存在！")    except:        print("爬取失败！")    print(img_url + "已下载")def main():    url = "https://lol.qq.com/biz/hero/champion.js"    getHtml(url)if __name__ == "__main__":    main()

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