python爬虫-《笔趣看》网小说《悟空看私聊》

小编是个爱看小说的人，哈哈

# -*- coding:UTF-8 -*-
'''
类说明:下载《笔趣看》网小说《悟空看私聊》
'''
from bs4 import BeautifulSoup
import requests,urllib3, sys
urllib3.disable_warnings()

class downloader(object):
    def __init__(self):
        self.server = 'http://www.biqukan.com/'
        self.target = 'http://www.biqukan.com/37_37039/'
        self.names = []            #存放章节名
        self.urls = []            #存放章节链接
        self.nums = 0            #章节数

    """
    函数说明:获取下载链接
    """
    def get_download_url(self):
        req = requests.get(url = self.target)
        html = req.text
        div_bf = BeautifulSoup(html, "html.parser")
        div = div_bf.find_all('div', class_ = 'listmain')
        a_bf = BeautifulSoup(str(div[0]))
        a = a_bf.find_all('a')
        self.nums = len(a[12:])                                #剔除不必要的章节，并统计章节数
        for each in a[12:]:
            self.names.append(each.string)
            self.urls.append(self.server + each.get('href'))
        print(self.names)
        print(self.urls)

    """
    函数说明:获取章节内容
        target - 下载连接(string)
        texts - 章节内容(string)
    """
    def get_contents(self, target):
        req = requests.get(url = target)
        aa = req.content
        bf = BeautifulSoup(aa,"html.parser")
        texts = bf.find_all('div', id = 'content')
        a = texts[0].text.replace('\xa0'*8,'\n\n')
        print(a)
        return a

    """
    函数说明:将爬取的文章内容写入文件
        name - 章节名称(string)
        path - 当前路径下,小说保存名称(string)
        text - 章节内容(string)
    """
    def writer(self, name, path, text):
        write_flag = True
        with open(path, 'a', encoding='utf-8') as f:
            f.write(name + '\n')
            f.writelines(text)
            f.write('\n\n')

if __name__ == "__main__":
    dl = downloader()
    dl.get_download_url()
    print('《悟空看私聊》开始下载：')
    for i in range(dl.nums):
        dl.writer(dl.names[i], 'D://悟空看私聊.txt', dl.get_contents(dl.urls[i]))
        sys.stdout.write("  已下载:%.5f%%" %  float(i/dl.nums*100) + '\r')
        sys.stdout.flush()
    print('《悟空看私聊》下载完成')