Question

这是我写的代码：

import urllib2
import codecs
import urllib
import re
from bs4 import BeautifulSoup 
from lxml.html import fromstring
import codecs

url="http://www.thehindu.com/sci-tech/science/iit-bombay-birds-eye-view-and-quantum-biology/article18191268.ece"
htmltext = urllib.urlopen(url).read()
resp = urllib.urlopen(url)
respData =resp.read()
paras = re.findall(r'<p>(.*?)</p>',str(respData))
soup = BeautifulSoup(htmltext,"lxml")

webpage_title = soup.find_all('h1', attrs = {"class": "title"})
webpage_title = webpage_title[0].get_text(strip=True)
with codecs.open("E:\\Crawler_paras_sorted_test_webpages_complete.txt", "w+", encoding="utf-8") as f:
    f.write(webpage_title)

soup = BeautifulSoup(htmltext,"lxml")
ut_container = soup.find("div", {"class": "ut-container"})
time = ut_container.find("none").text.strip()
with codecs.open("E:\\Crawler_paras_sorted_test_webpages_complete.txt", "a+",encoding="utf-8") as f:
    f.write(time)

写入文件的输出是：

IIT Bombay: Bird’s eye view and quantum biologyApril 22, 2017 18:56 IST

我希望输出像这样保存：

IIT Bombay: Bird’s eye view and quantum biology
April 22, 2017 18:56 IST

Answer 1

由于它非常笼统，我只是对这个背景提出了一个想法。

在撰写webpage_title之后，您需要添加一个新行。

f.writelines(webpage_title)
f.write("\n")

Answer 2

我使用了windows风格＆＃34; \ r \ n＆＃34;。它就像一个魅力：

 import urllib2
import codecs
import urllib
import re
from bs4 import BeautifulSoup 
from lxml.html import fromstring
import codecs

url="http://www.thehindu.com/sci-tech/science/iit-bombay-birds-eye-view-and-quantum-biology/article18191268.ece"
htmltext = urllib.urlopen(url).read()
resp = urllib.urlopen(url)
respData =resp.read()
paras = re.findall(r'<p>(.*?)</p>',str(respData))
soup = BeautifulSoup(htmltext,"lxml")

webpage_title = soup.find_all('h1', attrs = {"class": "title"})
webpage_title = webpage_title[0].get_text(strip=True)
with codecs.open("E:\\Crawler_paras_sorted_test_webpages_complete.txt", "w+", encoding="utf-8") as f:
    f.write(webpage_title+"\r\n")

soup = BeautifulSoup(htmltext,"lxml")
ut_container = soup.find("div", {"class": "ut-container"})
time = ut_container.find("none").text.strip()
with codecs.open("E:\\Crawler_paras_sorted_test_webpages_complete.txt", "a+",encoding="utf-8") as f:
    f.write(time)

为什么我不能将数据附加到python 2.7中的换行符？

2 个答案: