python selenium 中的顯示等待WebDriverWait與條件判斷expected_conditions

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#coding=utf-8from selenium import webdriverfrom selenium.webdriver.common.by import Byfrom selenium.webdriver.support import expected_conditions as ECfrom selenium.webdriver.support.wait import WebDriverWaitbase_url = "http://www.baidu.com"driver = webdriver.Firefox()driver.implicitly_wait(5)‘‘‘隱式等待和顯示等待都存在時，逾時時間取二者中較大的‘‘‘locator = (By.ID,‘kw‘)driver.get(base_url)WebDriverWait(driver,10).until(EC.title_is(u"百度一下，你就知道"))‘‘‘判斷title,返回布爾值‘‘‘WebDriverWait(driver,10).until(EC.title_contains(u"百度一下"))‘‘‘判斷title，返回布爾值‘‘‘WebDriverWait(driver,10).until(EC.presence_of_element_located((By.ID,‘kw‘)))‘‘‘判斷某個元素是否被加到了dom樹裡，並不代表該元素一定可見，如果定位到就返回WebElement‘‘‘WebDriverWait(driver,10).until(EC.visibility_of_element_located((By.ID,‘su‘)))‘‘‘判斷某個元素是否被添加到了dom裡並且可見，可見代表元素可顯示且寬和高都大於0‘‘‘WebDriverWait(driver,10).until(EC.visibility_of(driver.find_element(by=By.ID,value=‘kw‘)))‘‘‘判斷元素是否可見，如果可見就返回這個元素‘‘‘WebDriverWait(driver,10).until(EC.presence_of_all_elements_located((By.CSS_SELECTOR,‘.mnav‘)))‘‘‘判斷是否至少有1個元素存在於dom樹中，如果定位到就返回列表‘‘‘WebDriverWait(driver,10).until(EC.visibility_of_any_elements_located((By.CSS_SELECTOR,‘.mnav‘)))‘‘‘判斷是否至少有一個元素在頁面中可見，如果定位到就返回列表‘‘‘WebDriverWait(driver,10).until(EC.text_to_be_present_in_element((By.XPATH,"//*[@id=‘u1‘]/a[8]"),u‘設定‘))‘‘‘判斷指定的元素中是否包含了預期的字串，返回布爾值‘‘‘WebDriverWait(driver,10).until(EC.text_to_be_present_in_element_value((By.CSS_SELECTOR,‘#su‘),u‘百度一下‘))‘‘‘判斷指定元素的屬性值中是否包含了預期的字串，返回布爾值‘‘‘#WebDriverWait(driver,10).until(EC.frame_to_be_available_and_switch_to_it(locator))‘‘‘判斷該frame是否可以switch進去，如果可以的話，返回True並且switch進去，否則返回False‘‘‘#注意這裡並沒有一個frame可以切換進去WebDriverWait(driver,10).until(EC.invisibility_of_element_located((By.CSS_SELECTOR,‘#swfEveryCookieWrap‘)))‘‘‘判斷某個元素在是否存在於dom或不可見,如果可見返回False,不可見返回這個元素‘‘‘#注意#swfEveryCookieWrap在此頁面中是一個隱藏的元素WebDriverWait(driver,10).until(EC.element_to_be_clickable((By.XPATH,"//*[@id=‘u1‘]/a[8]"))).click()‘‘‘判斷某個元素中是否可見並且是enable的，代表可點擊‘‘‘driver.find_element_by_xpath("//*[@id=‘wrapper‘]/div[6]/a[1]").click()#WebDriverWait(driver,10).until(EC.element_to_be_clickable((By.XPATH,"//*[@id=‘wrapper‘]/div[6]/a[1]"))).click()#WebDriverWait(driver,10).until(EC.staleness_of(driver.find_element(By.ID,‘su‘)))‘‘‘等待某個元素從dom樹中移除‘‘‘#這裡沒有找到合適的例子WebDriverWait(driver,10).until(EC.element_to_be_selected(driver.find_element(By.XPATH,"//*[@id=‘nr‘]/option[1]")))‘‘‘判斷某個元素是否被選中了,一般用在下拉式清單‘‘‘WebDriverWait(driver,10).until(EC.element_selection_state_to_be(driver.find_element(By.XPATH,"//*[@id=‘nr‘]/option[1]"),True))‘‘‘判斷某個元素的選中狀態是否符合預期‘‘‘WebDriverWait(driver,10).until(EC.element_located_selection_state_to_be((By.XPATH,"//*[@id=‘nr‘]/option[1]"),True))‘‘‘判斷某個元素的選中狀態是否符合預期‘‘‘driver.find_element_by_xpath(".//*[@id=‘gxszButton‘]/a[1]").click()instance = WebDriverWait(driver,10).until(EC.alert_is_present())‘‘‘判斷頁面上是否存在alert,如果有就切換到alert並返回alert的內容‘‘‘print instance.textinstance.accept()driver.close()

python selenium 中的顯示等待WebDriverWait與條件判斷expected_conditions