本文实例讲述了python实现爬虫抓取小说功能。分享给大家供大家参考，具体如下：

# -*- coding: utf-8 -*-from bs4 import BeautifulSoupfrom urllib import requestimport reimport os,time#访问url，返回html页面def get_html(url): req = request.Request(url) req.add_header('User-Agent','Mozilla/5.0') response = request.urlopen(url) html = response.read() return html#从列表页获取小说书名和链接def get_books(url):#根据列表页，返回此页的{书名:链接}的字典 html = get_html(url) soup = BeautifulSoup(html,'lxml') fixed_html = soup.prettify() books = soup.find_all('div',attrs={'class':'bbox'}) book_dict = {} for book in books: book_name = book.h3.a.string book_url = book.h3.a.get('href') book_dict[book_name] = book_url return book_dict#根据书名链接，获取具体的章节{名称:链接} 的字典def get_parts(url): html = get_html(url) soup = BeautifulSoup(html,'lxml') fixed_html = soup.prettify() part_urls = soup.find_all('a') host = "http://www.xiaoshuotxt.org" part_dict = {} for p in part_urls: p_url = str(p.get('href')) if re.search(r'\d{5}.html',p_url) and ("xiaoshuotxt" not in p_url): part_dict[p.string] = host + p_url return part_dict#根据章节的url获取具体的章节内容def get_txt(url): html = get_html(url) soup = BeautifulSoup(html,'lxml') fixed_html = soup.prettify() title = soup.h1.string #获取文章标题 content = soup.find('div',attrs={'class':'zw'}) txt = BeautifulSoup.get_text(content) #正文内容 return txtif __name__ == "__main__": root_dir= r'e:\books' #url = 'http://www.xiaoshuotxt.org/mingzhu/index_2.html' #第2页的小说 url = "http://www.xiaoshuotxt.org/writer/58" #金庸的小说 books = get_books(url) for book_name,book_url in books.items(): os.mkdir(os.path.join(root_dir,book_name)) part_dict = get_parts(book_url) print(book_name,"共：",len(part_dict),"章节") for part_name,part_url in part_dict.items(): print("正在保存:",part_name) f1 = open(r'e:\books\%s\%s.txt'%(book_name,part_name),'w',encoding='utf-8')#以utf-8编码创建文件 part_txt = get_txt(part_url) f1.write(str(part_txt)) f1.close() time.sleep(2)

运行效果：

更多关于Python相关内容可查看本站专题：《Python Socket编程技巧总结》、《Python正则表达式用法总结》、《Python数据结构与算法教程》、《Python函数使用技巧总结》、《Python字符串操作技巧汇总》、《Python入门与进阶经典教程》及《Python文件与目录操作技巧汇总》

希望本文所述对大家Python程序设计有所帮助。