Biegral Blog

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 requests
import re
import json
import 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 requests
import re
import json
import os


def 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()

提莫队长正在待（song）命~