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selenium相关导入By、Keys、WebDriverWait、ActionChains,显示期待与隐式期待

2024-03-31 Web开发

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# -*- coding: utf-8 -*- """ @author: Dell Created on Tue Dec 24 12:33:56 2019 """ import time from selenium import webdriver from selenium.webdriver.support.ui import WebDriverWait#期待一个元素加载完成 from selenium.webdriver.support import expected_conditions as EC from selenium.webdriver.common.by import By from selenium.webdriver.common.keys import Keys#键盘 from selenium.webdriver.common.action_chains import ActionChains#鼠标 driver= webdriver.Chrome() driver.get("") driver.implicitly_wait(10)#控制操纵的时间在10s以内,隐式期待,很少用 # driver.find_element_by_id("kw").send_keys("selenium") #打开一个网页,,15s超时,每0.5s检测一次,直到id为kw的元素呈现, #节约时间,显示期待15s,必需期待这个元素呈现,若15s之后还没呈现才会不期待了 WebDriverWait(driver, 15, 0.5).until(EC.presence_of_element_located((By.ID,"kw"))).send_keys("selenium")# driver.find_element_by_id("su").click()#点击百度一下进行搜索 nums_span = driver.find_element_by_class_name("nums_text") if nums_span.is_displayed():#判断这个元素是否已经显示出来 print(nums_span.text) time.sleep(5) driver.close() if __name__ == "__main__": pass

selenium相关导入By、Keys、WebDriverWait、ActionChains,显示期待与隐式期待

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