Demo entry 6660092

py

   

Submitted by anonymous on Nov 14, 2017 at 07:17
Language: Python 3. Code size: 2.6 kB.

# -*- coding:UTF-8 -*-
    from bs4 import BeautifulSoup
    import requests, sys
    
    """
    类说明:下载《笔趣看》网小说《一念永恒》
    Parameters:

    Returns:

    Modify:
        2017-09-13
    """
    class downloader(object):

        def __init__(self):
            self.server = 'http://www.biqukan.com/'
            self.target = 'http://www.biqukan.com/1_1094/'
            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
        Parameters:

        Returns:

        Modify:
            2017-09-13
        """
        def get_download_url(self):
            req = requests.get(url = self.target)
            html = req.text
            div_bf = BeautifulSoup(html)
            div = div_bf.find_all('div', class_ = 'listmain')
            a_bf = BeautifulSoup(str(div[0]))
            a = a_bf.find_all('a')
            self.nums = len(a[15:])                             #剔除不必要的章节,并统计章节数
            for each in a[15:]:
                self.names.append(each.string)
                self.urls.append(self.server + each.get('href'))
    
        """
        函数说明:获取章节内容
        Parameters:
            target - 下载连接(string)
        Returns:
            texts - 章节内容(string)
        Modify:
            2017-09-13
        """
        def get_contents(self, target):
            req = requests.get(url = target)
            html = req.text
            bf = BeautifulSoup(html)
            texts = bf.find_all('div', class_ = 'showtxt')
            texts = texts[0].text.replace('\xa0'*8,'\n\n')
            return texts
    
        """
        函数说明:将爬取的文章内容写入文件
        Parameters:
            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)
        Returns:

        Modify:
            2017-09-13
        """
        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('《一年永恒》开始下载:')
        for i in range(dl.nums):
            dl.writer(dl.names[i], '一念永恒.txt', dl.get_contents(dl.urls[i]))
            sys.stdout.write("  已下载:%.3f%%" %  float(i/dl.nums) + '\r')
            sys.stdout.flush()
        print('《一年永恒》下载完成')

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