Python爬虫-爬取B站番剧封面-编程知识

Python爬虫-爬取B站番剧封面

本文是本人最近学习Python爬虫所做的小练习。如有侵权，请联系删除。

页面获取url

在这里插入图片描述

代码


import requests
import os
import re# 创建文件夹
path = os.getcwd() + '/images'
if not os.path.exists(path):os.mkdir(path)# 当前页数
page = 1
# 总页数
total_page = 2# 自动翻页，获取全部数据
def get_data():global page, total_pagewhile page <= total_page:# 地址url = f"https://api.bilibili.com/pgc/season/index/result?st=1&order=3&season_version=-1&spoken_language_type=-1&area=-1&is_finish=-1&copyright=-1&season_status=-1&season_month=-1&year=-1&style_id=-1&sort=0&page={page}&season_type=1&pagesize=20&type=1"# 请求头headers = {'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36 SLBrowser/9.0.3.1311 SLBChan/105',}# 发送请求response = requests.get(url, headers=headers)# json数据格式items = response.json()# 循环遍历for data in items['data']['list']:# 标题title = data.get('title')# 封面cover = data.get('cover')# 下载图片到images文件夹中，文件名：titleif title != '' and cover != '':download_image(title, cover)total = items.get('data')['total']size = items.get('data')['size']total_page = get_page_count(total, size)page += 1# 下载图片
def download_image(title, cover):# 请求头headers = {'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36 SLBrowser/9.0.3.1311 SLBChan/105',}res = requests.get(cover, headers=headers)# 判断标题是否含有\/:*?"<>|，文件命名不能含有这些，如果有，则用下划线_取代new_title = validateTitle(title)with open(path + '/' + new_title + '.jpg', mode='wb') as f:# 图片内容写入文件f.write(res.content)print(f"正在下载图片，图片名：{title}.jpg")# 去除文件中的非法字符(正则表达式)
def validateTitle(title):pattern = r"[\\\/\:\*\?\"\<\>\|]"new_title = re.sub(pattern, '_', title)return new_title# 求页数
def get_page_count(total, page):page_count = total // pageif total % page != 0:page_count += 1return page_countif __name__ == '__main__':get_data()