from selenium.webdriver.support import expected_conditions as ec # 示例:定义一个等待条件,检查元素是否可见 wait_condition = ec.visibility_of_element_located((By.ID, "myElementId")) 这段代码展示了如何导入expected_conditions模块,并定义了一
fromseleniumimportwebdriverfromselenium.webdriver.supportimportexpected_conditions as ECfromselenium.webdriver.support.waitimportWebDriverWaitdeffind_element(located):ifisinstance(located, tuple):returnWebDriverWait(driver, 5).until(EC.presence_of_element_located(located))else:return'方法入参必须是元组类型'driv...
2、EC.presence_of_element_located,我们不关心元素是否可见,只关心元素是否存在在页面中; fromseleniumimportwebdriverfromselenium.webdriver.common.byimportByfromselenium.webdriver.support.uiimportWebDriverWaitfromselenium.webdriver.supportimportexpected_conditions as EC driver=webdriver.Chrome() wait= WebDriverWait(...
Selenium WebDriver allows for waiting for specific conditions until a defined task is complete. An example is automating the task to check if all elements present on a web page, matching a particularlocator, are visible. Syntax: staticExpectedCondition<WebElement>visibilityOfElementLocated(Bylocator) ...
在Selenium 4中,可以使用ExpectedConditions类来实现等待某个条件的出现或消失。ExpectedConditions类是WebDriverWait类中的一个内部类,它提供了一系列的预定义条件,用于在执行测试期间等待页面元素的状态变化。 要使用ExpectedConditions,首先需要创建一个WebDriverWait实例,并指定等待的超时时间。然后,可以使用ExpectedCondition...
WebDriverWait和expected_conditions两个类。 WebDriverWait(driver,timeout,poll_frequency=0.5,ignored_exceptions=None)参数说明: driver:浏览器驱动 timeout:最长超时时间,默认以秒为单位 poll_frequency:检测的间隔步长,默认为0.5s ignored_exceptions:超时后的抛出的异常信息,默认抛出NoSuchElementExeception异常。
备注:WebDriverWait中的until()和until_not()会自动传入driver,不需要自己传入 expected_conditions操作列表 备注:注意传入参数,locator表示元素定位信息,element表示元素对象 import time from selenium import webdriver from import By from selenium.webdriver.support import expected_conditions ...
我们练习expected_conditions模块中两个功能,其他功能参照即可。 # 1.导入seleniumfrom selenium import webdriver from time import sleep from selenium.webdriver.support import expected_conditions as EC # 2.打开Chrome浏览器 driver = webdriver.Chrome() ...
from selenium.webdriver.support import expected_conditions as EC # 启动浏览器 driver = webdriver.Chrome() # 打开网页 url = "https://example.com" driver.get(url) # 创建一个 WebDriverWait 对象,设置最大等待时间为 10 秒 wait = WebDriverWait(driver, 10) ...
from selenium.webdriver.support import expected_conditions as EC from selenium.webdriver.support.wait import WebDriverWait base_url = "http://www.baidu.com" driver = webdriver.Firefox() driver.implicitly_wait(5) '''隐式等待和显示等待都存在时,超时时间取二者中较大的''' ...