PYTHON无法换行问题，百思不得其解。fp.write(u'{a}\n'.format(a='\n'.join(a)))

改成fp.write(u'{a}\n'.format(a='，'.join(a)))

“，”可以正常显示

下附源码，请指点一二

#!/usr/bin/env python

# encoding=utf-8

from bs4 import BeautifulSoup

import requests

import codecs

DOWNLOAD_URL = 'http://movie.douban.com/top250'

def download_page(url):

headers = {

'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.80 Safari/537.36'

}

return requests.get(url,headers=headers).content

def parse_html(html):

soup=BeautifulSoup(html,'html.parser')

movie_list_soup=soup.find('ol',attrs={'class':'grid_view'})

movie_name_list=[]

for movie_li in movie_list_soup.find_all('li'):

detail=movie_li.find('div',attrs={'class':'hd'})

movie_name=detail.find('span',attrs={'class':'title'}).getText()

movie_name_list.append(movie_name)

next_page=soup.find('span',attrs={'class':'next'}).find('a')

if next_page:

return movie_name_list,DOWNLOAD_URL+next_page['href']

return movie_name_list,None

def main():

url=DOWNLOAD_URL

with codecs.open('a.txt','wb',encoding='utf-8')as fp:

while url:

html=download_page(url)

a,url=parse_html(html)

fp.write(u'{a}\n'.format(a='\n'.join(a)))

if __name__ == '__main__':

main()

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