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python - Python selenium单击没有id的按钮

问题描述

我有这个代码

<a href="#" class="button expanded vote" style="background: rgb(51, 204, 102) none repeat scroll 0% 0%; border-radius: 5px;" onclick="Poll.sendAnswer("Programn2015","Answer1","Answer2")">Vote</a>

我能做什么？页面上还有其他按钮具有相同的类等，唯一的变量是

"Answer1","Answer2"

标签： pythonseleniumselenium-webdriverxpathcss-selectors

解决方案

要单击带有文本作为投票的链接，您可以使用以下任一解决方案：

  • css_selector：

    driver.find_element_by_css_selector("a.button.expanded.vote[onclick*='Answer1'][onclick*='Answer2']").click()

  • xpath： 

    driver.find_element_by_xpath("//a[@class='button expanded vote' and contains(.,'Vote')][contains(@onclick,'Answer1') and contains(@onclick,'Answer2')]").click()

更新

诱导WebDriverWait使所需元素可单击，如下所示：

  • css_selector：

    WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "a.button.expanded.vote[onclick*='Answer1'][onclick*='Answer2']"))).click()

  • xpath： 

    WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//a[@class='button expanded vote' and contains(.,'Vote')][contains(@onclick,'Answer1') and contains(@onclick,'Answer2')]"))).click()

注意：您必须添加以下导入：

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

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