Question

我需要以这种格式从文本文件（output.txt）中的表中获取数据： DATA1; DATA2; DATA3; DATA4; .....

Celkova podlahova plocha bytu; 33m; Vytah; Ano; Nadzemne podlazie; Prizemne podlazie; .....; Forma vlastnictva; Osobne

全部在“一行”中，分隔符为“; ”（稍后在csv文件中导出）。

我是初学者..帮助，谢谢。

from BeautifulSoup import BeautifulSoup
import urllib2
import codecs

response = urllib2.urlopen('http://www.reality.sk/zakazka/0747-003578/predaj/1-izb-byt/kosice-mestska-cast-sever-sladkovicova-kosice-sever/art-real-1-izb-byt-sladkovicova-ul-kosice-sever')
html = response.read()
soup = BeautifulSoup(html)

tabulka = soup.find("table", {"class" : "detail-char"})

for row in tabulka.findAll('tr'):
    col = row.findAll('td')
    prvy = col[0].string.strip()
    druhy = col[1].string.strip()
    record = ([prvy], [druhy])

fl = codecs.open('output.txt', 'wb', 'utf8')
for rec in record:
    line = ''
    for val in rec:
        line += val + u';'
    fl.write(line + u'\r\n')
fl.close()

Answer 1

您在阅读时没有保留每条记录。请尝试使用此记录，将记录存储在records中：

from BeautifulSoup import BeautifulSoup
import urllib2
import codecs

response = urllib2.urlopen('http://www.reality.sk/zakazka/0747-003578/predaj/1-izb-byt/kosice-mestska-cast-sever-sladkovicova-kosice-sever/art-real-1-izb-byt-sladkovicova-ul-kosice-sever')
html = response.read()
soup = BeautifulSoup(html)

tabulka = soup.find("table", {"class" : "detail-char"})

records = [] # store all of the records in this list
for row in tabulka.findAll('tr'):
    col = row.findAll('td')
    prvy = col[0].string.strip()
    druhy = col[1].string.strip()
    record = '%s;%s' % (prvy, druhy) # store the record with a ';' between prvy and druhy
    records.append(record)

fl = codecs.open('output.txt', 'wb', 'utf8')
line = ';'.join(records)
fl.write(line + u'\r\n')
fl.close()

这可以清理得更多，但我认为这是你想要的。

Answer 2

这是另一种非BS方式，仅适用于您的任务

store=[] #to store your results
url="""http://www.reality.sk/zakazka/0747-003578/predaj/1-izb-byt/kosice-mestska-cast-sever-sladkovicova-kosice-sever/art-real-1-izb-byt-sladkovicova-ul-kosice-sever"""
page=urllib2.urlopen(url)
data=page.read()
for table in data.split("</table>"):
    if "<table" in table and 'class="detail-char' in table:
         for item in table.split("</td>"):
              if "<td" in item:
                  store.append(item.split(">")[-1].strip())
print ','.join(store)

输出

$ ./python.py
Celková podlahová plocha bytu,33 m2,Výťah,Áno,Nadzemné podlažie,Prízemné podlažie,Stav,Čiastočná rekonštrukcia,Konštrukcia bytu,tehlová,Forma vlastníctva,osobné

使用BeautifulSoup解析表并在文本文件中写入

2 个答案: