Python通过requests模块实现抓取王者荣耀全套皮肤

前言

今天带大家爬取王者荣耀全套皮肤，废话不多说，直接开始~

开发工具

python版本： 3.6.4

环境搭建

安装python并添加到环境变量，pip安装需要的相关模块即可。

思路分析

1、打开官方王者荣耀壁纸网站
网站地址：https://pvp.qq.com/web201605/wallpaper.shtml

2、快捷键f12，调出控制台进行抓包

3、找到正确的链接并分析

4、查看返回数据格式

5、解析url链接

6、查看url内容是否是所需图片，发现其实是缩略图

7、那就去分析网站，随便点开一张壁纸，查看指定格式的链接

8、找到目标地址

9、分析目标链接和缩略图的链接区别
缩略图：http://shp.qpic.cn/ishow/2735090714/1599460171_84828260_8311_sprodimgno_6.jpg/200

目标图：http://shp.qpic.cn/ishow/2735090714/1599460171_84828260_8311_sprodimgno_6.jpg/0

可以知道，将指定格式的缩略图地址后面200替换成0就是目标真实图片

代码实现

import os, time, requests, json, re
from retrying import retry
from urllib import parse
 
class honorofkings:
    '''
     this is a main class, the file contains all documents.
     one document contains paragraphs that have several sentences
     it loads the original file and converts the original file to new content
     then the new content will be saved by this class
    '''
    def __init__(self, save_path='./heros'):
        self.save_path = save_path
        self.time = str(time.time()).split('.')
        self.url = 'https://apps.game.qq.com/cgi-bin/ams/module/ishow/v1.0/query/worklist_inc.cgi?activityid=2735&sverifycode=abcd&sdatatype=json&ilistnum=20&totalpage=0&page={}&iorder=0&isortnumclose=1&iamsactivityid=51991&_everyread=true&itypeid=2&iflowid=267733&iactid=2735&imoduleid=2735&_=%s' % self.time[0]
 
    def hello(self):
        '''
        this is a welcome speech
        :return: self
        '''
        print("*" * 50)
        print(' ' * 18 + '王者荣耀壁纸下载')
        print(' ' * 5 + '作者: felix  date: 2020-05-20 13:14')
        print("*" * 50)
        return self
 
    def run(self):
        '''
        the program entry
        '''
        print('↓' * 20 + ' 格式选择: ' + '↓' * 20)
        print('1.缩略图 2.1024x768 3.1280x720 4.1280x1024 5.1440x900 6.1920x1080 7.1920x1200 8.1920x1440')
        size = input('请输入您想下载的格式序号，默认6：')
        size = size if size and int(size) in [1,2,3,4,5,6,7,8] else 6
 
        print('---下载开始...')
        page = 0
        offset = 0
        total_response = self.request(self.url.format(page)).text
        total_res = json.loads(total_response)
        total_page = --int(total_res['itotalpages'])
        print('---总共 {} 页...' . format(total_page))
        while true:
            if offset > total_page:
                break
            url = self.url.format(offset)
            response = self.request(url).text
            result = json.loads(response)
            now = 0
            for item in result["list"]:
                now += 1
                hero_name = parse.unquote(item['sprodname']).split('-')[0]
                hero_name = re.sub(r'[【】:.<>|·@#$%^&() ]', '', hero_name)
                print('---正在下载第 {} 页 {} 英雄 进度{}/{}...' . format(offset, hero_name, now, len(result["list"])))
                hero_url = parse.unquote(item['sprodimgno_{}'.format(str(size))])
                save_path = self.save_path + '/' + hero_name
                save_name = save_path + '/' + hero_url.split('/')[-2]
                if not os.path.exists(save_path):
                    os.makedirs(save_path)
                if not os.path.exists(save_name):
                    with open(save_name, 'wb') as f:
                        response_content = self.request(hero_url.replace("/200", "/0")).content
                        f.write(response_content)
            offset += 1
        print('---下载完成...')
 
    @retry(stop_max_attempt_number=3)
    def request(self, url):
        '''
        send a request
        :param url: the url of request
        :param timeout: the time of request
        :return: the result of request
        '''
        response = requests.get(url, timeout=10)
        assert response.status_code == 200
        return response
 
if __name__ == "__main__":
    honorofkings().hello().run()

本期完整源代码可以私信获取

代码运行结果

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目录

前言

开发工具

环境搭建

思路分析

代码实现

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