爬虫小案例06—使用Beautiful Soup获取小说内容_使用beautiful提取小说名称

import requests
from bs4 import BeautifulSoup
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def get_chapterLink(url):
    '''获取该篇小说的所有章节url'''
    headers ={
        'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36'
    }
    r = requests.get(url,headers=headers)
    r.encoding = r.apparent_encoding
    bs = BeautifulSoup(r.text,'lxml')
    all_a_tag = bs.find('dl').find_all('a')
    chapter_link = []
    # 提取出所有的章节网址
    for i in all_a_tag:
        chapter_link.append(i['href'])
    return chapter_link
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def get_one_page_content(url,novel_name):
    '''下载某章节小说内容，并将其保存到novel_name文件夹中'''
    import os
    if not os.path.exists(novel_name):  #判断是否存在文件夹如果不存在则创建为文件夹
        os.makedirs(novel_name)

    headers ={
            'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36'
        }
    r = requests.get(url,headers=headers)
    r.encoding = r.apparent_encoding
    bs = BeautifulSoup(r.text,'lxml')
    title = bs.find('h1').text
    content = bs.find(id = 'content')
    content = content.text.replace('\xa0','').replace('\r','\n\n')
  
    f = open(novel_name+'/'+title+'.txt' , 'w')
    # 写入标题
    f.write(title)
    # 写入两个换行
    f.write('\n\n')
    # 写入内容
    f.write(content)
    f.close()
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def download_novel(basic_link, novel_name):
    """功能: http://www.shuquge.com 从这个小说网站下载小说
    basic_link: 小说主页
    novel_name: 文件夹名称"""
    # 获取到小说的章节网址列表
    chapter_link_list = get_chapterLink(basic_link)
    for i in chapter_link_list:
        chapte_url = basic_link + i # 拼接网址
        # 调用上面的那个采集函数
        get_one_page_content(chapte_url,novel_name)
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实例：

download_novel('https://www.shuquge.com/txt/3478/', '夜的命名术')
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