您可以使用以下 XPath 定位元素：

driver.find_element_by_xpath('//input[@class="ng-pristine ng-valid ng-touched"][../preceding-sibling::dpm-input-label[1]/label[.="Fixed Rate"]]')

我们使用label元素作为锚点。获取input满足以下条件的元素：preceding-sibling它的第一个元素parent有一个label包含术语“固定利率”的子元素。

如果需要，添加预期条件（元素可以接收点击）。假设你想在输入框中发送“12”：

WebDriverWait(browser, 20).until(EC.element_to_be_clickable((By.XPATH, '//input[@class="ng-pristine ng-valid ng-touched"][../preceding-sibling::dpm-input-label[1]/label[.="Fixed Rate"]]'))).send_keys("12")

进口：

from selenium.webdriver.common.by import By

from selenium.webdriver.support.ui import WebDriverWait

from selenium.webdriver.support import expected_conditions as EC

编辑：其他 XPath 替代品：

3 XPath 使用following-sibling轴：

//dpm-input-label[label[.="Fixed Rate"]]/following-sibling::dpm-input-number-bare[1]/input

//dpm-input-label[label[contains(.,"Fixed Rate")]]/following-sibling::dpm-input-number-bare[1]/input

//dpm-input-label[contains(.,"Fixed Rate")]/following-sibling::dpm-input-number-bare[1]/input

3 XPath 使用preceding-sibling轴和多个contains元素input：

//input[contains(@class,"ng-pristine") and contains(@class,"ng-valid") and contains(@class,"ng-touched")][../preceding-sibling::dpm-input-label[1]/label[.="Fixed Rate"]]

//input[contains(@class,"ng-pristine") and contains(@class,"ng-valid") and contains(@class,"ng-touched")][../preceding-sibling::dpm-input-label[1]/label[contains(.,"Fixed Rate")]]

//input[contains(@class,"ng-pristine") and contains(@class,"ng-valid") and contains(@class,"ng-touched")][../preceding-sibling::dpm-input-label[1][contains(.,"Fixed Rate")]]

4 XPath 使用preceding轴：

//input[@class="ng-pristine ng-valid ng-touched"][preceding::label[1][.="Fixed Rate"]]

//input[@class="ng-pristine ng-valid ng-touched"][preceding::label[1][contains(.,"Fixed Rate")]]

//input[contains(@class,"ng-pristine") and contains(@class,"ng-valid") and contains(@class,"ng-touched")][preceding::label[1][.="Fixed Rate"]]

//input[contains(@class,"ng-pristine") and contains(@class,"ng-valid") and contains(@class,"ng-touched")][preceding::label[1][contains(.,"Fixed Rate")]]