我有一组url(股票数据),我想把某些数据放入csv。每行需要:
name price recrat opinion
csv出现但没有数据,我得到错误:
^{pr2}$我该怎么做?以下是我目前为止的代码:
# -*- coding: utf-8 -*-
import urllib2
from bs4 import BeautifulSoup
import csv
from datetime import datetime
quote_page = ['http://uk.mobile.reuters.com/business/quotes/overview/AALB.AS',
'http://uk.mobile.reuters.com/business/stocks/overview/ABNd.AS',
'http ://uk.mobile.reuters.com/business/stocks/overview/ACCG.AS',
'http ://uk.mobile.reuters.com/business/stocks/overview/AD.AS']
for link in quote_page:
try:
page = urllib2.urlopen(link)
soup = BeautifulSoup(page, 'html.parser')
name_box = soup.find('span', attrs={'class': 'company-name'})
name = name_box.text.strip()
print name
price_box = soup.find('span', attrs={'class':'price'})
price = price_box.text.strip()
print price
recrating_box = soup.find('div', attrs={'class':'recommendation-rating'})
recrat = recrating_box.text.strip()
print recrat
opinion = soup.find('div', attrs={'class':'recommendation-marker'})['style']
print opinion
except TypeError:
continue
quote_page.append((name, price, recrat, opinion))
# open a csv file with append, so old data will not be erased
with open('index.csv', 'a') as csv_file:
writer = csv.writer(csv_file)
for name, price in quote_page:
writer.writerows([name, price, recrat, opinion, datetime.now()])
测试和工作:
有3个问题,首先,您重写了一个活动列表-不是一个好主意:我将其重命名为
results
。在第二,您试图遍历列表,但只访问了4项中的2项。我已经做了索引。在
最后,当您迭代时,您需要逐行执行,因此
writerows
需要更改为writerow
。在相关问题 更多 >
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