python学习记录1；笔趣阁小说全文下载工具爬虫源码

笔趣阁小说全本下载工具

 

#导入模块
import requests
import parsel
from lxml import etree
import re
import pandas as pd
import datetime
import time
from tqdm import tqdm
#请求头
headers={'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36'}
curr_time = datetime.datetime.now()
times = datetime.datetime.strftime(curr_time, '%Y-%m-%d %H:%M:%S')
print(f' 现在是：{times}     by 琴棋书画')
print()
print('***********欢迎使用笔趣阁小说全本下载工具*************')
print()
while True:
    #请求数据
    keyword=input('请输入你想要搜索的小说名字(0退出):')
    if keyword=='0':
        break
    seacher_url=f'https://www.biquge9.com/s?q={keyword}'
    respones=requests.get(seacher_url,headers=headers)
    #print(respones.text)
    #解析获取数据
    selector=etree.HTML(respones.text)
    xs_urls=selector.xpath('//h4/a[contains(@href,"/book/")]/@href')    #获取小说地址列表
    xs_names=selector.xpath('//a[contains(@href,"/book/")]/text()')     #获取小说名字列表
    xs_authers=selector.xpath('//div[contains(@class,"author")]/text()')    #获取小说作者列表
    if xs_names:
    #print(xs_urls,xs_names,xs_authers)
        xs_list=[]
        #遍历弄表
        for xs_url,xs_name,xs_auther in zip(xs_urls,xs_names,xs_authers):
            xs_id=xs_url.split('/')[2]  #小说ID
            xs_url='https://www.biquge9.com'+xs_url #小说网址
            xs_name=xs_name.strip() #小说书名
            xs_auther=xs_auther.split('：')[1] #小说作者
            #print(xs_id,xs_url,xs_name,xs_auther)
            dict={'书名':xs_name,'作者':xs_auther,'ID':xs_id}  #生成字典
            xs_list.append(dict)#小说信息列表
        print()
        print(f'一共搜索到{len(xs_list)}条数据,结果如下:')
        print()
        sea_data=pd.DataFrame(xs_list)
        print(sea_data)#输出小说信息列表
        print()
        key_num=input('请输入你要下载的小说序号:')
        print()
        print('小说正在下载,已完成......')
        xs_ID=xs_list[int(key_num)]['ID']
        url='https://www.biquge9.com/book/'+xs_ID
        urls=[url+'/{}.html'.format(str(i))  for i in range(1,5000)]        #生成章节地址列表
        #print(urls)

        for url1 in tqdm(urls):         #遍历章节地址列表
            data_1=requests.get(url1,headers=headers)               #请求章节文本
            selector=parsel.Selector(data_1.text)
            #print(selector)
            title=selector.css('.content h1::text').get()               #获取章节标题
            #print(title)
            content=selector.css('#chaptercontent::text').getall()      #获取章节正文
            #print(content)
            content_1='\n'.join(content)
            #print(content_1)
            with open(xs_name+'.txt','a+',encoding='utf-8') as file:        #保存小说内容到TXT文件
                if title!='':
                    file.write(title)
                    file.write('\n')
                    file.write(content_1)
                    file.write('\n')
                    #print('正在保存',title)

                else:
                    break
    else:
        print('请正确输入小说名字或作者名字,没有查到这本书的数据.....')