从 HTML 表的每一行中抓取每个元素

Question

网站链接： http://www.tennisabstract.com/cgi-bin/player-classic.cgi?p=RafaelNadal

我正在尝试编写遍历表中每一行并从该行中提取每个元素的代码。 我的目标是在以下布局中输出

Row1Element1, Row1Element2, Row1Element3 
Row2Element1, Row2Element2, Row2Element3
Row3Element1, Row3Element2, Row3Element3

我在编写这个代码时进行了两次主要尝试。

尝试1：

rows = driver.find_elements_by_xpath('//table//body//tr')
elements = rows.find_elements_by_xpath('//td')
#this gets all rows in the table, but then gets all elements on the page, 
not just the table

尝试2：

driver.find_elements_by_xpath('//table//body//tr//td')
#this gets all the elements that I want, but makes no distinction to which 
 row each element belongs to

任何帮助表示赞赏

Answer 1

您可以获取表标题并使用索引来获取行数据中的正确顺序。

from selenium import webdriver

driver = webdriver.Chrome()
driver.get("http://www.tennisabstract.com/cgi-bin/player-classic.cgi?p=RafaelNadal")

table_headers = [th.text.strip() for th in driver.find_elements_by_css_selector("#matchheader th")]
rows = driver.find_elements_by_css_selector("#matches tbody > tr")

date_index = table_headers.index("Date")
tournament_index = table_headers.index("Tournament")
score_index = table_headers.index("Score")

for row in rows:
    table_data = row.find_elements_by_tag_name("td")
    print(table_data[date_index].text, table_data[tournament_index].text, table_data[score_index].text)

Answer 2

这是每行的定位器，你的意思是XPATH: //table[@id="matches"]//tbody//tr

首先导入：

from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By

每行：

driver.get('http://www.tennisabstract.com/cgi-bin/player-classic.cgi?p=RafaelNadal')

rows = WebDriverWait(driver, 20).until(EC.visibility_of_all_elements_located((By.XPATH, '//table[@id="matches"]//tbody//tr')))

for row in rows:
    print(row.text)

或每个单元格：

for row in rows:
    cols = row.find_elements_by_tag_name('td')
    for col in cols:
        print(col.text)