问题描述
|
我希望能够选择包含\“ Accounts Payable \”文本的表,但是我无法获得所尝试的内容,并且我几乎可以使用findall进行猜测。有人可以告诉我我该怎么做吗?
例如,这就是我的开始:
<div>
<tr>
<td class=\"lft lm\">Accounts Payable
</td>
<td class=\"r\">222.82</td>
<td class=\"r\">92.54</td>
<td class=\"r\">100.34</td>
<td class=\"r rm\">99.95</td>
</tr>
<tr>
<td class=\"lft lm\">Accrued Expenses
</td>
<td class=\"r\">36.49</td>
<td class=\"r\">33.39</td>
<td class=\"r\">31.39</td>
<td class=\"r rm\">36.47</td>
</tr>
</div>
这就是我想要得到的结果:
<tr>
<td class=\"lft lm\">Accounts Payable
</td>
<td class=\"r\">222.82</td>
<td class=\"r\">92.54</td>
<td class=\"r\">100.34</td>
<td class=\"r rm\">99.95</td>
</tr>
解决方法
您可以使用lft lm类选择td元素,然后检查element.string以确定您是否具有\“ Accounts Payable \” td:
import sys
from BeautifulSoup import BeautifulSoup
# where so_soup.txt is your html
f = open (\"so_soup.txt\",\"r\")
data = f.readlines ()
f.close ()
soup = BeautifulSoup (\"\".join (data))
cells = soup.findAll(\'td\',{\"class\" : \"lft lm\"})
for cell in cells:
# You can compare cell.string against \"Accounts Payable\"
print (cell.string)
例如,如果您要检查应付帐款的以下同级产品,则可以使用以下内容:
if (cell.string.strip () == \"Accounts Payable\"):
sibling = cell.findNextSibling ()
while (sibling):
print (\"\\t\" + sibling.string)
sibling = sibling.findNextSibling ()
更新以进行编辑
如果您想打印出原始的HTML,仅用于应付帐款元素后面的兄弟姐妹,则代码如下:
lines = [\"<tr>\"]
for cell in cells:
lines.append (cell.prettify().decode(\'ascii\'))
if (cell.string.strip () == \"Accounts Payable\"):
sibling = cell.findNextSibling ()
while (sibling):
lines.append (sibling.prettify().decode(\'ascii\'))
sibling = sibling.findNextSibling ()
lines.append (\"</tr>\")
f = open (\"so_soup_out.txt\",\"wt\")
f.writelines (lines)
f.close ()