# .\Lib\site-packages\selenium\webdriver\chrome\options.py
class Options(object):

  def __init__(self):
    # 設置 chrome 二進制文件位置
    self._binary_location = ''
    # 添加啟動參數(shù)
    self._arguments = []
    # 添加擴展應用
    self._extension_files = []
    self._extensions = []
    # 添加實驗性質(zhì)的設置參數(shù)
    self._experimental_options = {}
    # 設置調(diào)試器地址
    self._debugger_address = None

# 設置默認編碼為 utf-8，也就是中文

from selenium import webdriver
options = webdriver.ChromeOptions()
options.add_argument('lang=zh_CN.UTF-8')
driver = webdriver.Chrome(chrome_options = options)

# 設置默認編碼為 utf-8，也就是中文

from selenium import webdriver
options = webdriver.ChromeOptions()
options.add_argument('lang=zh_CN.UTF-8')
driver = webdriver.Chrome(chrome_options = options)

# 通過設置user-agent，用來模擬移動設備
# 比如模擬 android QQ瀏覽器
options.add_argument('user-agent="MQQBrowser/26 Mozilla/5.0 (Linux; U; Android 2.3.7; zh-cn; MB200 Build/GRJ22; CyanogenMod-7) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1"')

# 模擬iPhone 6
options.add_argument('user-agent="Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1"')

# 禁止圖片的加載
from selenium import webdriver

chrome_options = webdriver.ChromeOptions()
prefs = {"profile.managed_default_content_settings.images": 2}
chrome_options.add_experimental_option("prefs", prefs)

# 啟動瀏覽器，并設置好wait
browser = webdriver.Chrome(chrome_options=chrome_options)
browser.set_window_size(configure.windowHeight, configure.windowWidth)  # 根據(jù)桌面分辨率來定，主要是為了抓到驗證碼的截屏
wait = WebDriverWait(browser, timeout = configure.timeoutMain)

from selenium import webdriver
# 靜態(tài)IP：102.23.1.105：2005
# 阿布云動態(tài)IP：http://D37EPSERV96VT4W2:CERU56DAEB345HU90@proxy.abuyun.com:9020
PROXY = "proxy_host:proxy:port"
options = webdriver.ChromeOptions()
desired_capabilities = options.to_capabilities()
desired_capabilities['proxy'] = {
  "httpProxy": PROXY,
  "ftpProxy": PROXY,
  "sslProxy": PROXY,
  "noProxy": None,
  "proxyType": "MANUAL",
  "class": "org.openqa.selenium.Proxy",
  "autodetect": False
}
driver = webdriver.Chrome(desired_capabilities = desired_capabilities)

# 添加xpath helper應用

from selenium import webdriver
chrome_options = webdriver.ChromeOptions()

# 設置好應用擴展
extension_path = 'D:/extension/XPath-Helper_v2.0.2.crx'
chrome_options.add_extension(extension_path)

# 啟動瀏覽器，并設置好wait
browser = webdriver.Chrome(chrome_options=chrome_options)

# 第一種方式
# chrome瀏覽器的擴展程序都在：C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Profile 2\Extensions\下
chrome_options.add_argument("user-data-dir=C:/Users/Administrator/AppData/Local/Google/Chrome/User Data")

# 加載所有Chrome配置， 用Chrome地址欄輸入chrome://version/，查看自己的“個人資料路徑”，然后在瀏覽器啟動時，調(diào)用這個配置文件，代碼如下：
from selenium import webdriver
option = webdriver.ChromeOptions()
option.add_argument('--user-data-dir=C:\Users\Administrator\AppData\Local\Google\Chrome\User Data') #設置成用戶自己的數(shù)據(jù)目錄
driver = webdriver.Chrome(chrome_options=option)

# 出現(xiàn)錯誤結(jié)果
第一，所有瀏覽器窗口，包括自己打開的都會被控制住。
第二，其他動作不起作用，而且會crash。
Traceback (most recent call last):
 File "E:/PyCharmCode/taobaoProductSelenium/taobaoSelenium.py", line 40, in <module>
  # 啟動瀏覽器，并設置好wait
 File "E:\Miniconda\lib\site-packages\selenium\webdriver\chrome\webdriver.py", line 69, in __init__
  desired_capabilities=desired_capabilities)
 File "E:\Miniconda\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 151, in __init__
  self.start_session(desired_capabilities, browser_profile)
 File "E:\Miniconda\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 240, in start_session
  response = self.execute(Command.NEW_SESSION, parameters)
 File "E:\Miniconda\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 308, in execute
  self.error_handler.check_response(response)
 File "E:\Miniconda\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 194, in check_response
  raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: unknown error: Chrome failed to start: crashed
 (Driver info: chromedriver=2.32.498550 (9dec58e66c31bcc53a9ce3c7226f0c1c5810906a),platform=Windows NT 6.1.7601 SP1 x86_64)

from time import sleep 
from selenium import webdriver 
from selenium.webdriver.common.by import By
options = webdriver.ChromeOptions() 
prefs = {} 
# 設置這兩個參數(shù)就可以避免密碼提示框的彈出
prefs[“credentials_enable_service”] = False 
prefs[“profile.password_manager_enabled”] = False 
options.add_experimental_option(“prefs”, prefs) 
browser = webdriver.Chrome(chrome_options=options) 
browser.get('https://www.baidu.com/')