概述
我在使用python抓取网页时遇到了不同类型的问题.单击图像时,图像下会出现有关其“味道”的新信息.我的目标是解析连接到每个图像的所有风味.我的脚本可以解析当前活动图像的风格,但在单击新图像后会中断.我的循环中的一点点抽搐会引导我走向正确的方向.
我尝试过：
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import webdriverwait
from selenium.webdriver.support import expected_conditions as EC
driver = webdriver.Chrome()
driver.get("https://www.optigura.com/uk/product/gold-standard-100-whey/")
wait = webdriverwait(driver,10)
while True:
items = wait.until(EC.presence_of_element_located((By.XPATH,"//div[@class='colright']//ul[@class='opt2']//label")))
for item in items.find_elements_by_xpath("//div[@class='colright']//ul[@class='opt2']//label"):
print(item.text)
try:
links = driver.find_elements_by_xpath("//span[@class='img']/img")
for link in links:
link.click()
except:
break
driver.quit()
下面的图片可能会澄清我无法做到的事情：
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import webdriverwait
from selenium.webdriver.support import expected_conditions as EC
driver = webdriver.Chrome()
driver.get("https://www.optigura.com/uk/product/gold-standard-100-whey/")
wait = webdriverwait(driver,10)
links = driver.find_elements_by_xpath("//span[@class='img']/img")
for idx,link in enumerate(links):
while True:
try:
link.click()
while driver.find_elements_by_xpath("//span[@class='size']")[idx].text != driver.find_elements_by_xpath("//div[@class='colright']//li[@class='active']//span")[1].text:
link.click()
print driver.find_elements_by_xpath("//span[@class='size']")[idx].text
items = wait.until(EC.presence_of_element_located((By.XPATH,"//div[@class='colright']//ul[@class='opt2']//label")))
for item in items.find_elements_by_xpath("//div[@class='colright']//ul[@class='opt2']//label"):
print(item.text)
except StaleElementReferenceException:
continue
break
driver.quit()
总结
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