Python爬虫入门教程02之笔趣阁小说爬取

# 第一章小说url地址
url = 'http://www.biquges.com/52_52642/25585323.html'

url = 'http://www.biquges.com/52_52642/25585323.html'
headers = {
 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36'
}
response = requests.get(url=url, headers=headers)
print(response.text)

response.encoding = response.apparent_encoding

def get_one_novel(html_url):
 # 调用请求网页数据函数
 response = get_response(html_url)
 # 转行成selector解析对象
 selector = parsel.Selector(response.text)
 # 获取小说标题
 title = selector.css('.bookname h1::text').get()
 # 获取小说内容 返回的是list
 content_list = selector.css('#content::text').getall()
 # ''.join(列表) 把列表转换成字符串
 content_str = ''.join(content_list)
 print(title, content_str)

if __name__ == '__main__':
 url = 'http://www.biquges.com/52_52642/25585323.html'
 get_one_novel(url)

def save(title, content):
 """
 保存小说
 :param title: 小说章节标题
 :param content: 小说内容
 :return: 
 """
 # 路径
 filename = f'{title}\\'
 # os 内置模块，自动创建文件夹
 if os.makedirs(filename):
 os.mkdir()
 # 一定要记得加后缀 .txt mode 保存方式 a 是追加保存 encoding 保存编码
 with open(filename + title + '.txt', mode='a', encoding='utf-8') as f:
 # 写入标题
 f.write(title)
 # 换行
 f.write('\n')
 # 写入小说内容
 f.write(content)

def get_all_url(html_url):
 # 调用请求网页数据函数
 response = get_response(html_url)
 # 转行成selector解析对象
 selector = parsel.Selector(response.text)
 # 所有的url地址都在 a 标签里面的 href 属性中 
 dds = selector.css('#list dd a::attr(href)').getall()
 for dd in dds:
 novel_url = 'http://www.biquges.com' + dd
 print(novel_url)


if __name__ == '__main__':
 url = 'http://www.biquges.com/52_52642/index.html'
 get_all_url(url)

import requests
import parsel
from tqdm import tqdm


def get_response(html_url):
 headers = {
 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36'
 }
 response = requests.get(url=html_url, headers=headers)
 response.encoding = response.apparent_encoding
 return response


def save(novel_name, title, content):
 """
 保存小说
 :param title: 小说章节标题
 :param content: 小说内容
 :return:
 """
 filename = f'{novel_name}' + '.txt'
 # 一定要记得加后缀 .txt mode 保存方式 a 是追加保存 encoding 保存编码
 with open(filename, mode='a', encoding='utf-8') as f:
 # 写入标题
 f.write(title)
 # 换行
 f.write('\n')
 # 写入小说内容
 f.write(content)


def get_one_novel(name, novel_url):
 # 调用请求网页数据函数
 response = get_response(novel_url)
 # 转行成selector解析对象
 selector = parsel.Selector(response.text)
 # 获取小说标题
 title = selector.css('.bookname h1::text').get()
 # 获取小说内容 返回的是list
 content_list = selector.css('#content::text').getall()
 # ''.join(列表) 把列表转换成字符串
 content_str = ''.join(content_list)
 save(name, title, content_str)


def get_all_url(html_url):
 # 调用请求网页数据函数
 response = get_response(html_url)
 # 转行成selector解析对象
 selector = parsel.Selector(response.text)
 # 所有的url地址都在 a 标签里面的 href 属性中
 dds = selector.css('#list dd a::attr(href)').getall()
 # 小说名字
 novel_name = selector.css('#info h1::text').get()
 for dd in tqdm(dds):
 novel_url = 'http://www.biquges.com' + dd
 get_one_novel(novel_name, novel_url)

if __name__ == '__main__':
 novel_id = input('输入书名ID：')
 url = f'http://www.biquges.com/{novel_id}/index.html'
 get_all_url(url)