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※This article is based on Python 3.7.3
推荐使用Edge浏览器，因为Chrome的版本问题，webdrive总是没有最新的
浏览器下载地址：
https://www.microsoft.com/zh-cn/edge
驱动器下载地址：
https://developer.microsoft.com/zh-cn/microsoft-edge/tools/webdriver
浏览器下载地址：
http://www.firefox.com.cn
驱动器下载地址：
https://github.com/mozilla/geckodriver/releases
浏览器下载地址：
https://www.google.cn/chrome
驱动器下载地址：
http://chromedriver.storage.googleapis.com/index.html
下载路径
http://npm.taobao.org/mirrors/chromedriver/
要和本地的Chrome的版本一致，否则报错
selenium.common.exceptions.WebDriverException: Message: unknown error: cannot connect to chrome at 127.0.0.1:9527
from session not created: This version of ChromeDriver only supports Chrome version 99
Current browser version is 116.0.5845.142
Stacktrace:
Backtrace:
Ordinal0 [0x007B9943+2595139]
Ordinal0 [0x0074C9F1+2148849]
Ordinal0 [0x00644528+1066280]
Ordinal0 [0x006642C3+1196739]
Ordinal0 [0x0065D83B+1169467]
Ordinal0 [0x0065D606+1168902]
Ordinal0 [0x00690530+1377584]
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
from selenium.common.exceptions import TimeoutException, NoSuchElementException
from selenium import webdriver
from selenium.webdriver.edge.service import Service
from selenium.webdriver.common.keys import Keys
import time
class SeleniumHelper:
def __init__(self, driver):
self.driver = driver
def find_element(self, locator, timeout=10):
"""
查找单个元素
:param locator: 元素定位信息，如(By.ID, 'element_id')
:param timeout: 超时时间，默认为10秒
:return: WebElement对象或None
"""
try:
element = WebDriverWait(self.driver, timeout).until(
EC.presence_of_element_located(locator)
)
return element
except (TimeoutException, NoSuchElementException):
return None
def find_elements(self, locator, timeout=10):
"""
查找多个元素
:param locator: 元素定位信息，如(By.CLASS_NAME, 'element_class')
:param timeout: 超时时间，默认为10秒
:return: WebElement对象列表或空列表
"""
try:
elements = WebDriverWait(self.driver, timeout).until(
EC.presence_of_all_elements_located(locator)
)
return elements
except (TimeoutException, NoSuchElementException):
return []
# Edge浏览器 https://developer.microsoft.com/en-us/microsoft-edge/tools/webdriver/
s=Service('F:\Temp\edgedriver_win64\msedgedriver.exe')
options = webdriver.EdgeOptions()
options.use_chromium = True
# 屏蔽inforbar
options.add_experimental_option('useAutomationExtension', False)
options.add_experimental_option('excludeSwitches', ['enable-automation', 'enable-logging'])
options.add_argument("start-maximized")
# options.add_argument('--headless')
options.binary_location=r'C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe'
driver = webdriver.Edge(service=s, options=options)
driver.get('https://www.baidu.com')
# 创建SeleniumHelper对象
helper = SeleniumHelper(driver)
search_box = helper.find_element((By.ID, 'kw'))
if search_box:
search_box.send_keys("aaaaaa")
search_box.send_keys(Keys.RETURN)
time.sleep(6)
#driver.quit()
ERROR: Could not find a version that satisfies the requirement win32api (from versions: none) ERROR: No matching distribution found for win32api
使用pip install pypiwin32 安装成功
E:\python>pip install pypiwin32
XXX
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