Selenium 入门到精通系列：五

Selenium 入门到精通系列

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PS：显式等待、隐式等待、强制等待方法

例子

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Date    : 2019-04-23 16:12:33
# @Author  : BenLam
# @Link    : https://www.cnblogs.com/BenLam/

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import webdriverwait
from selenium.webdriver.support import  expected_conditions as EC
from time import sleep

driver=webdriver.Firefox()
driver.get("http://www.baidu.com")

wait=webdriverwait(driver,5,0.5).until(EC.presence_of_element_located((By.ID,'kw')))
wait.send_keys("TEST")
driver.find_element_by_id("su").click()

#隐式等待
from selenium.common.exceptions import NoSuchElementException
driver.implicitly_wait(10)
driver.get("http://www.baidu.com")
try:
    driver.find_element_by_id("kwsssss")
except NoSuchElementException as e:
    print(e)
finally:
    driver.quit()

#强制等待
driver.get("http://www.baidu.com")
sleep(5)
driver.find_element_by_id("kwsssss")

driver.quit()