我正在学习使用Selenium进行网络搜刮。我对我正在使用的网站有几个问题。
-这个网站有多个页面需要浏览 我似乎找不到一种方法来定位页面的路径并浏览它们 例如,下面的代码返回 link_page
作为 NoneType
.
from selenium import webdriver
import time
driver = webdriver.Chrome('chromedriver')
driver.get('https://www.oddsportal.com/soccer/england/premier-league')
time.sleep(0.5)
results_button = driver.find_element_by_xpath('/html/body/div[1]/div/div[2]/div[6]/div[1]/div/div[1]/div[2]/div[1]/div[2]/ul/li[3]/span')
results_button.click()
time.sleep(3)
season_button = driver.find_element_by_xpath('/html/body/div[1]/div/div[2]/div[6]/div[1]/div/div[1]/div[2]/div[1]/div[3]/ul/li[2]/span/strong/a')
season_button.click()
link_page = driver.find_element_by_xpath('/html/body/div[1]/div/div[2]/div[6]/div[1]/div/div[1]/div[2]/div[1]/div[6]/div/a[3]/span').get_attribute('href')
print(link_page.text)
driver.get(link_page)
-出于某种原因,我不得不使用 results_button
才能获得 href
的匹配。例如,下面的代码试图进入页面directy(试图规避上面的问题1),但是在页面的 link_page
返回一个 NoSuchElementException
错误。
from selenium import webdriver
import time
driver = webdriver.Chrome('chromedriver')
driver.get('https://www.oddsportal.com/soccer/england/premier-league/results/#/page/2')
time.sleep(3)
link_page = driver.find_element_by_xpath('/html/body/div[1]/div/div[2]/div[6]/div[1]/div/div[1]/div[2]/div[1]/div[6]/table/tbody/tr[11]/td[2]/a').get_attribute('href')
print(link_page.text)
driver.get(link_page)
要定位页面去翻阅它们,使用的是 硒 你需要诱导 WebDriverWait 对于 visibility_of_all_elements_located()
您可以使用以下方法 定位策略:
使用 XPATH
:
driver.get('https://www.oddsportal.com/soccer/england/premier-league/')
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//a[text()='RESULTS']"))).click()
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//a[text()='2018/2019']"))).click()
print([my_elem.get_attribute("href") for my_elem in WebDriverWait(driver, 10).until(EC.visibility_of_all_elements_located((By.XPATH, "//span[@class='active-page']//following::a[@x-page]/span[not(contains(., '|')) and not(contains(., '»'))]/..")))])
控制台输出。
['https://www.oddsportal.com/soccer/england/premier-league-2018-2019/results/#/page/2/', 'https://www.oddsportal.com/soccer/england/premier-league-2018-2019/results/#/page/3/', 'https://www.oddsportal.com/soccer/england/premier-league-2018-2019/results/#/page/4/', 'https://www.oddsportal.com/soccer/england/premier-league-2018-2019/results/#/page/5/', 'https://www.oddsportal.com/soccer/england/premier-league-2018-2019/results/#/page/6/', 'https://www.oddsportal.com/soccer/england/premier-league-2018-2019/results/#/page/7/', 'https://www.oddsportal.com/soccer/england/premier-league-2018-2019/results/#/page/8/']
说明: : 你必须添加以下进口。
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC