找不到td scrapyspider的xpath[已关闭]

如果你需要全部 td 然后使用 xpath('//td')

import lxml.html

html = '''
<tr>
    <td>10</td>
    <td>$681</td>
    <td>Wednesday</td>
    <td>other</td>
    <td>data</td>
</tr>
'''

soup = lxml.html.fromstring(html)
all_td = soup.xpath('//td')

for td in all_td:
    print(td.text)

后果

10
$681
Wednesday
other
data

如果你只需要 td公司 然后获取全部,然后使用索引ie [2] ,或切片 [2:]

for td in all_td[2:]:
    print(td.text)

后果

Wednesday
other
data

您只能使用 [3] 直接在xpath中 xpath('//td[3]')

import lxml.html

html = '''
<tr>
    <td>10</td>
    <td>$681</td>
    <td>Wednesday</td>
</tr>
'''

soup = lxml.html.fromstring(html)
date = soup.xpath('//td[3]/text()')[0]

print(date)

后果

Wednesday