python selenium 设置chrom手机模式

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
#方法一：
mobile_emulation = {"deviceName":"Galaxy S5"}
capabilities = DesiredCapabilities.CHROME
capabilities['loggingPrefs'] = { 'browser':'ALL' }
options = webdriver.ChromeOptions()
options.add_experimental_option("mobileEmulation", mobile_emulation)
driver = webdriver.Chrome(desired_capabilities=capabilities, chrome_options=options)


#方法二

WIDTH = 320  # 宽度
HEIGHT = 640  # 高度
PIXEL_RATIO = 3.0  # 分辨率

mobileEmulation = {"deviceMetrics": {"width": WIDTH, "height": HEIGHT, "pixelRatio": PIXEL_RATIO}}
options = webdriver.ChromeOptions()
options.add_experimental_option('mobileEmulation', mobileEmulation)

capabilities = DesiredCapabilities.CHROME
capabilities['loggingPrefs'] = {'browser': 'ALL'}

driver = webdriver.Chrome(desired_capabilities=capabilities,chrome_options=options)