一个简单的Python爬虫+写入文本

import os
import requests
from bs4 import BeautifulSoup

# 获取HTML文档
def get_html(url):
    response = requests.get(url)
    response.encoding = 'uft-8'
    return response.text

# 获取笑话
def get_joke(html):
    soup = BeautifulSoup(html,'lxml')

    abc = ''
    num = 0
    for link in soup.find_all("div", class_="content"):
    # for i in range(10):
    #     joke_content = soup.select('div.content')[i].get_text()
        num = num + 1
        abc += "--------" + str(num) + link.get_text()
    return abc

# 将笑话写入txt
# ls = os.linesep

def writeJoke(joke):
    while True:
        filename = input('文件名：')
        if os.path.exists(filename):
            print("错误:'%s' 该文件已存在" % filename)  # 是否存在

        else:
            break

    fobj = open(filename, 'w') #写入文本

    fobj.write(joke)
    # fobj.writelines(['%s%s' % (x, ls) for x in all])  #每一个字符后面都会换行
    fobj.close()
    print('写入成功！')

url_joke = "https://www.qiushibaike.com"
html = get_html(url_joke)
joke = get_joke(html)
writeJoke(joke)
# print(joke)