免app下載筆趣閣小說
阿新 • • 發佈:2018-10-24
[] .com site 根據 app下載 代碼 earch mozilla 學習
這個是對最近學習的一次總結吧。前兩天寫的,今天才有時間寫博客。
偶然點開筆趣閣的網址(https://www.biquge.cc/),突然覺得我應該可以用爬蟲實現小說下載。有這個想法我就開始嘗試了。
爬蟲呀,說白了就是程序自動模擬瀏覽器操作來獲取網頁的內容。
先用F12查看元素,查看章節網址鏈接,和章節正文內容。
結構很簡單。
想法很快就有了,通過網站的搜索打開小說詳情頁,然後獲取每一章的網址url,依次訪問每一章網址,再通過正則表達式匹配章節內容,
最後將匹配的內容保存到本地。
中間忘了一個小的知識點,就是我使用re.findall()來匹配的,它最後返回的時一個列表!!!
運行結果如下圖:
代碼如下:
#!/usr/bin/env python # -*- coding: utf-8 -*- # @Time : 2018/10/20 15:46 # @Author : yuantup # @Site : # @File : biquge.py # @Software: PyCharm import urllib.request import re import time import os def open_url(url): # 打開網址專用 # 以字典的形式設置headers head = {‘Accept‘: ‘text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8‘, # ‘Accept-Encoding‘: ‘gzip‘, # 接受編碼如果是gzip,deflate之類的,可能會報錯 ‘Accept-Language‘: ‘zh-CN,zh;q=0.9‘, ‘Connection‘: ‘keep-alive‘, ‘Host‘: ‘sou.xanbhx.com‘,‘Referer‘: ‘https://www.biquge.cc/‘, ‘Upgrade-Insecure-Requests‘: ‘1‘, ‘User-Agent‘: ‘Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) ‘ ‘Chrome/63.0.3239.132 Safari/537.36‘, } # 設置cookies # proxy = urllib.request.ProxyHandler({‘http‘: ‘127.0.0.1:8888‘}) opener = urllib.request.build_opener() # 遍歷字典,將其轉換為指定格式(外層列表,裏層元組) headers = [] for key, value in head.items(): item = (key, value) headers.append(item) opener.addheaders = headers urllib.request.install_opener(opener) response = urllib.request.urlopen(url) html = response.read() time.sleep(1) return html def novel_detail(book_name): # 根據傳入的小說名字獲取到小說的詳情頁,並提取出小說內容(詳情,每個章節的網址) # 小說存在重名情況!!!待解決 zh_book_name = urllib.request.quote(book_name) url = ‘https://sou.xanbhx.com/search?siteid=biqugecc&q=‘ + zh_book_name html = open_url(url).decode(‘utf-8‘) # print(html) name_pa = ‘<span class="s2">.*?<a href="(.*?)" target="_blank">.*?(\S*?)</a>‘ name_list = re.findall(name_pa, html, re.S) # print(name_list[1]) if name_list[0][1] == book_name: book_url = name_list[0][0] print(book_url) elif not name_list: print(‘‘) print(‘對不起,該網址沒有找到你需要的書。‘) return book_url def content(url): # 獲取小說正文 html = open_url(url).decode(‘utf-8‘) # print(html) main_body_pa = r‘最新章節(提示:已啟用緩存技術,最新章節可能會延時顯示,登錄書架即可實時查看。).*?<dt>(.*?)</div>‘ chapter_url_pa = r‘<a style="" href="(.*?)">‘ main_body = re.findall(main_body_pa, html, re.S) # print(main_body, ‘ 1‘) # 記住re.findall()方法返回的時一個列表!!! chapter_url = re.findall(chapter_url_pa, main_body[0]) # print(chapter_url, ‘ 2‘) time.sleep(2) return chapter_url def save_novel(novel_url, content_url_list, book_name): # 保存小說內容 for i in range(len(content_url_list)): real_url = novel_url + content_url_list[i] html = open_url(real_url).decode(‘utf-8‘) # print(html) chapter_name_pa = ‘<h1>(.*?)</h1>‘ chapter_name = re.search(chapter_name_pa, html).group(1) # print(chapter_name) # print(type(chapter_name)) content_pa = r‘<div id="content">(.*?)<script>‘ content1 = re.findall(content_pa, html, re.S) content2 = content1[0].replace(‘ ‘, ‘ ‘) content3 = content2.replace(‘<br/>‘, ‘\n‘) content4 = content3.replace(‘</br>‘, ‘‘) re_chapter_name = chapter_name.replace(‘ ‘, ‘‘) content5 = content4.replace(re_chapter_name, ‘‘) # 有些章節內容包括章節名,這裏替換掉它們。 whole_content = ‘ ‘ + chapter_name + ‘\n‘ + content5 # print(whole_content) # print(chapter_name) with open(book_name + ‘.txt‘, ‘a‘, encoding=‘utf-8‘) as f: f.write(whole_content) print(‘成功下載 {}‘.format(chapter_name)) time.sleep(1) def main(): path = r‘E:\spiser_sons\books‘ a = os.getcwd() print(a) if os.path.exists(path): os.chdir(path) print(os.getcwd()) else: os.mkdir(path) os.chdir(path) book_name = input(‘請輸入想下載小說的名字:‘) novel_url = novel_detail(book_name) content_url_list = content(novel_url) save_novel(novel_url, content_url_list, book_name) if __name__ == ‘__main__‘: main()
免app下載筆趣閣小說