python血脉贲张的cosplay小姐姐图片

淡淡的烟草味﹌ 2022-12-09 11:59 114阅读 0赞

## 前言 ##

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## 基本环境配置 ##

*  python 3.6
 *  pycharm
 *  requests

相关模块pip安装即可

## 确定目标网页 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 1]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 2]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 3]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 4]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 5]

## 分析网页 ##

1、查看图片地址  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 6]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 7]

## 代码实现 ##

import requests
    import parsel
    url = 'https://bcy.net/coser/toppost100'
    response = requests.get(url=url, headers=headers)
    selector = parsel.Selector(response.text)
    urls = selector.css('.rank-index-box .rank-cos-top img::attr(src)').getall()
    titles = selector.css('.rank-index-box .rank-cos-avatar-box p::text').getall()
    lis = zip(urls, titles)
    for i in lis:
        img_url = i[0]
        title = i[1]
        response_2 = requests.get(url=img_url, headers=headers)
        path = 'D:\\python\\demo\\cos小姐姐\\img\\' + title + '.jpg'
        with open(path, mode='wb') as f:
            f.write(response_2.content)
            print(img_url)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 8]  
图片数据是爬取下来了，但是保存数据后发现，仅仅只有20张图片，这根本不是我想要的~  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 9]  
所以要重新分析网页了~看一下是否有接口数据  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 10]  
我清空所有加载出来的数据，下拉的时候，然后出现一个神秘地址，点击去一看，果然是接口数据。为了保证准确性，咱们可以多往下翻翻

果然~~~  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 11]  
通过链接对比，发现接口数据的参数P是改变的，等同于页数编码，1就是对应的前20张图片数据  
![在这里插入图片描述][20200922151203503.png_pic_center]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZlaTM0Nzc5NTc5MA_size_16_color_FFFFFF_t_70_pic_center 12]

## 代码实现 ##

import requests
    for page in range(1, 6):
        url = 'https://bcy.net/apiv3/rank/list/itemInfo'
        params = { 
            'p': '{}'.format(page),
            'ttype': 'cos',
            'sub_type': 'week',
            'date': '20200922',
            '_signature': 'a2ovWQAAAAAem6QHkeiiVmtqL0AADQG',
        }
    
        headers = { 
            'user-agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36'
        }
        ''' Json 接口数据 '''
        response = requests.get(url=url, params=params, headers=headers)
        html_data = response.json()
        info_list = html_data['data']['top_list_item_info']
        for i in info_list:
            img_url = i['item_detail']['cover']
            title = img_url.split('/')[-1].split('~')[0]
            response_2 = requests.get(url=img_url, headers=headers)
    
            path = 'D:\\python\\demo\\cos小姐姐\\img\\' + title + '.jpg'
            with open(path, mode='wb') as f:
                f.write(response_2.content)
                print(img_url)

[python]: https://jq.qq.com/?_wv=1027&k=kQrKxXXR
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[20200922151203503.png_pic_center]: /images/20221123/e2c9b011dd0d45b18decf8282e53abfc.png
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