本帖最后由 chenmuting 于 2024-2-27 15:48 编辑
写了个笔趣阁小说爬虫，主要是能够进行搜索和下载，没有弄成界面。
在搜索这一部分主要是使用了selenium来模拟谷歌浏览器打开搜索页面，所以要使用我的这个代码，必须安装好selenium和谷歌浏览器。
安装selenium教程：https://blog.csdn.net/m0_57206390/article/details/129327008
接触学习爬虫没多久，有什么不足之处，请各位大佬指教
[Python] 纯文本查看 复制代码 from selenium import webdriver
import requests,re,os,time,shutil,threading,queue
from lxml import etree
import pandas as pd
# 定义一个函数来获取小说章节目录的URL和章节名
def get_chapter_urls(url, visited_urls, value):
global tot_title
response = requests.get(url, headers=headers)
response.encoding = response.apparent_encoding
html = etree.HTML(response.text)
chapter_elements = html.xpath("//div[@class='listmain']//dd/a")
chapter_elements.pop(10)
tot_title = html.xpath("//div[@class='info']/h1/text()")
chapter_urls = []
for element in chapter_elements:
chapter_name = element.text
chapter_url = 'https://www.biqg.cc'+element.get('href')
if chapter_url not in visited_urls:
value +=1
chapter_urls.append((chapter_name, chapter_url, value))
visited_urls.add(chapter_url)
return chapter_urls
# 定义一个函数来获取小说具体章节的内容
def get_chapter_content(url):
response = requests.get(url, headers=headers)
response.encoding = response.apparent_encoding
html = etree.HTML(response.text)
content_element = html.xpath("//div[@id='chaptercontent']/text()")[:-1]
pattern = r'\r\n \xa0\xa0\xa0\xa0|\s'
content = [re.sub(pattern, '', sub_text) for sub_text in content_element]
return content
# 定义一个函数来处理每个章节的爬取任务
def process_chapter(chapter_queue):
global time_start
time_start = time.time()
while not chapter_queue.empty():
chapter_name, chapter_url, value = chapter_queue.get()
print("正在爬取章节：", chapter_name)
content = get_chapter_content(chapter_url)
# 在这里可以将内容保存到文件或进行其他处理
folder_path = f'{tot_title[0]}'
if not os.path.exists(folder_path):
os.makedirs(folder_path)
with open(f'{tot_title[0]}/{value}.txt', 'w', encoding='utf-8') as f:
f.write('\n'+chapter_name+'\n')
for data in content:
f.write(data + '\n')
f.write('\n\n')
chapter_queue.task_done()
#合并下载的TXT文件
def merge_txt_files(folder_path, output_file):
txt_files = [f for f in os.listdir(folder_path) if f.endswith('.txt')]
txt_files.sort(key=lambda x: int(x[:-4]))
with open(output_file, 'w', encoding='utf-8') as outfile:
for txt_file in txt_files:
with open(os.path.join(folder_path, txt_file), 'r', encoding='utf-8') as infile:
content = infile.read()
outfile.write(content)
#搜索小说，并选择所需要下载的小说
def search_novel():
#chrome_options = webdriver.ChromeOptions()
# 后台静默运行
#chrome_options.add_argument('--headless')
#print('浏览器已打开')
#browser = webdriver.Chrome(options=chrome_options)
browser = webdriver.Chrome()
name_input = input('输入小说名或作者：')
browser.get(f'https://www.biqg.cc/s?q={name_input}')
time.sleep(3)
# 输出网页源代码
html=browser.page_source
browser.close()
#print('浏览器已关闭')
html = etree.HTML(html)
name = html.xpath("//div[@class='type_show']//div//a/text()")
link = html.xpath("//div[@class='type_show']//div//h4/a/@href")
author = html.xpath("//div[@class='type_show']//div[@class='author']/text()")
num = [i+1 for i in range(0, len(name))]
data = {'序号':num, '小说':name, '作者':author, '链接':link}
df = pd.DataFrame(data)
if df.empty:
print('搜索数据为空，请重新搜索')
search_novel()
else:
print(df)
sx_input = int(input('请输入序号选择下载的小说：'))
novel_link = 'https://www.biqg.cc' + link[sx_input-1]
return novel_link
def search_continue():
input_continue = input('请输入y/n选择是否继续下载小说：')
if input_continue == 'y':
main()
else:
return
def main():
directory_url = search_novel()
# 获取小说章节目录的URL和章节名
visited_urls = set()
value = 0
chapter_urls = get_chapter_urls(directory_url, visited_urls, value)
# 创建一个队列来存储待爬取的章节信息
chapter_queue = queue.Queue()
for chapter_name, chapter_url, value in chapter_urls:
chapter_queue.put((chapter_name, chapter_url, value))
# 创建多个线程来并发爬取章节内容
print('='*64)
print('线程数建议在10-30之间，避免对目标服务器造成过大压力')
sum = int(input('输入线程数：'))
num_threads = sum # 设置线程数量，根据需要进行调整
threads = []
for i in range(num_threads):
thread = threading.Thread(target=process_chapter, args=(chapter_queue,))
thread.daemon = False
thread.start()
threads.append(thread)
# 等待所有线程完成任务
chapter_queue.join()
# 等待所有线程结束
for thread in threads:
thread.join()
print("所有章节爬取完成！")
time_end = time.time()
print('章节爬取花费时间：', time_end-time_start)
print('='*64)
print('开始合并所有TXT文件')
folder_path_1 = f'{tot_title[0]}/' # 请替换为实际文件夹路径
output_file = f'{tot_title[0]}.txt' # 输出文件名
merge_txt_files(folder_path_1, output_file)
print('合并所有TXT文件成功')
print(f'{tot_title[0]}下载成功')
shutil.rmtree(tot_title[0])
print('='*64)
search_continue()
# 主程序入口
if __name__ == "__main__":
headers = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36 HBPC/12.1.3.306'}
main()
selenium小说下载.zip
(2.56 KB, 下载次数: 267)
| 
[复制链接]
来自 2#
|
发表于 2024-2-27 18:06
|楼主
发表于 2024-2-27 17:39
收藏
淘帖
有用
分享到朋友圈
