页面弹窗、截图、获取元素属性 回到目录

import time
from selenium import webdriver
driver = webdriver.Chrome()
    driver.get("https://www.baidu.com/")
    time.sleep(0.3)
    driver.find_element_by_link_text('设置').click()
    time.sleep(0.3)
    driver.find_element_by_link_text('搜索设置').click()
    time.sleep(0.3)
    driver.find_element_by_link_text('保存设置').click()
    time.sleep(1)
    #   获取弹窗的对象
    alert_box = driver.switch_to.alert
    #   获取弹窗的内容
    print('弹窗内容：',alert_box.text)
    #   对弹窗对象的确定操作
    alert_box.accept()
    #   按钮：百度一下
    button = driver.find_element_by_css_selector('[type="submit"]')
    #   获取元素标签上的属性
    print('get_attribute：', button.get_attribute('value'))
    #   元素的坐标
    print('location：', button.location)
    #   元素的大小
    print('size：', button.size)
    #   截图
    driver.get_screenshot_as_file('1.png')
finally:
    time.sleep(3)
    # 关闭浏览器
    driver.quit()
设置窗口大小、获取网页源代码、刷新页面    回到目录
import time
from selenium import webdriver
driver = webdriver.Chrome()
    driver.get("https://www.toutiao.com/")
    time.sleep(1)
    # 最小化
    driver.minimize_window()
    time.sleep(1)
    # 设置窗口具体的大小
    driver.set_window_size(500,500)
    time.sleep(1)
    # 设置窗口位置
    driver.set_window_position(800,200)
    time.sleep(1)
    # 最大化
    driver.maximize_window()
    time.sleep(1)
    # 打印网页源码(JS渲染过的)
    print(driver.page_source)
    # 刷新当前页面
    driver.refresh()
finally:
    time.sleep(3)
    # 关闭浏览器
    driver.quit()
Cookie操作    回到目录
import time
import json
from selenium import webdriver
driver = webdriver.Chrome()
    driver.get('https://www.cnblogs.com/')
    """获取Cookie
    # 等待60秒用于手动登录
    time.sleep(60)
    # 保存获取到的Cookie
    cookies = driver.get_cookies()
    with open('1.txt', 'w+') as f:
        f.write(json.dumps(cookies))
    """添加Cookie
    with open('1.txt') as f:
        cookies = json.loads(f.read())
    # 添加cookie前需要先打开任意一个网页
    # 然后再进行添加
    # 否则会报错：InvalidCookieDomainException: Message: invalid cookie domain
    for cookie in cookies:
        driver.add_cookie(cookie)
    # 添加完毕后，再打开对应网页，便是已登录状态
    driver.get('https://www.cnblogs.com/')
    time.sleep(5)
    """清空cookie
    driver.delete_all_cookies()
    # 清空cookie后是未登录的状态
    driver.get('https://www.cnblogs.com/')
finally:
    time.sleep(3)
    driver.quit()
设置代理、UA    回到目录
import time
from selenium import webdriver
opt = webdriver.ChromeOptions()
#   设置代理
opt.add_argument('--proxy-server=http://121.40.162.239:808')
#   设置UA
opt.add_argument('User-Agent=ABCDEFG')
driver = webdriver.Chrome(options=opt)
    driver.get('http://httpbin.org/get')
finally:
    time.sleep(3)
    driver.quit()
等待加载    回到目录
import time
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
driver = webdriver.Chrome()
    driver.get('https://www.python.org/getit/')
    # 显式等待的等待条件  -->  参数为数组类型
    method = EC.presence_of_element_located((By.LINK_TEXT, 'Downloads'))
    # 显式等待
    WebDriverWait(driver, 20, 0.2).until(method)
    # 隐式等待
    # driver.implicitly_wait(20)
    driver.find_element(By.LINK_TEXT, 'Downloads').click()
finally:
    time.sleep(10)
    driver.quit()
动作链    回到目录
import time
from selenium import webdriver
from selenium.webdriver.common.action_chains import ActionChains
driver = webdriver.Chrome()
    driver.get('http://www.treejs.cn/v3/demo/cn/exedit/drag.html')
    time.sleep(2)
    # 定位元素
    element = driver.find_element_by_id('treeDemo_2_span')
    target = driver.find_element_by_id('treeDemo_12_span')
    #   动作链：拖拽
    ActionChains(driver).drag_and_drop(element,target).perform()
finally:
    time.sleep(10)
    driver.quit()
跳过Selenium检测    回到目录
import time
from selenium import webdriver
opt = webdriver.ChromeOptions()
# 方法一
# opt.add_experimental_option('excludeSwitches', ['enable-automation'])
driver = webdriver.Chrome(options=opt)
# 方法二
# # 清除selenium webdriver的值
# driver.execute_cdp_cmd("Page.addScriptToEvaluateOnNewDocument", {
#     "source": """
#     Object.defineProperty(navigator,'webdriver',{
#         get:()=>undefined
#     })
#     """
    driver.get('http://www.baidu.com')
finally:
    time.sleep(10)
    driver.quit()