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python+BeautifulSoup+多进程爬取糗事百科图片

發布時間:2024/9/30 python 33 豆豆
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用到的庫;

import requests import os from bs4 import BeautifulSoup import time from multiprocessing import Pool

定義圖片存儲路徑;

path = r'E:\爬蟲\0805\\'

請求頭,模擬瀏覽器請求;

在瀏覽器中的位置,按f12打開開發者模式;

headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36' }

主函數;

-------------------------------------------------------------------- 注:如果你對python感興趣,我這有個學習Python基地,里面有很多學習資料,感興趣的+Q群:895817687 -------------------------------------------------------------------- def get_images(url):data = 'https:'res = requests.get(url,headers=headers)soup = BeautifulSoup(res.text,'lxml')url_infos = soup.select('div.thumb > a > img')# print(url_infos)for url_info in url_infos:try:urls = data+url_info.get('src')if os.path.exists(path+urls.split('/')[-1]):print('圖片已下載')else:image = requests.get(urls,headers=headers)with open(path+urls.split('/')[-1],'wb') as fp:fp.write(image.content)print('正在下載:'+urls)time.sleep(0.5)except Exception as e:print(e)

開始爬蟲程序;

if __name__ == '__main__':# 路由列表urls = ['https://www.qiushibaike.com/imgrank/page/{}/'.format(i) for i in range(1,14)]# 開啟多進程爬取pool = Pool()pool.map(get_images,urls)print('抓取完畢')

爬取中;
打開文件夾查看爬取結果;
done

完整代碼;

import requests import os from bs4 import BeautifulSoup import time from multiprocessing import Pool """ ************常用爬蟲庫***********requestsBeautifulSouppyquery lxml ************爬蟲框架***********scrapy三大解析方式:re,css,xpath """ headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36' } path = r'E:\爬蟲\0805\\' def get_images(url):data = 'https:'res = requests.get(url,headers=headers)soup = BeautifulSoup(res.text,'lxml')url_infos = soup.select('div.thumb > a > img')# print(url_infos)for url_info in url_infos:try:urls = data+url_info.get('src')if os.path.exists(path+urls.split('/')[-1]):print('圖片已下載')else:image = requests.get(urls,headers=headers)with open(path+urls.split('/')[-1],'wb') as fp:fp.write(image.content)print('正在下載:'+urls)time.sleep(0.5)except Exception as e:print(e)if __name__ == '__main__':# 路由列表urls = ['https://www.qiushibaike.com/imgrank/page/{}/'.format(i) for i in range(1,14)]# 開啟多進程爬取pool = Pool()pool.map(get_images,urls)print('抓取完畢')

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