使用 Selenium WebDriver C# 和 Ruby 给浏览器设置 User Agent

发表信息: by Creative Commons Licence (最后更新于: )

最近更新于 - 2017年1月8日

本文将展示如何使用 Selenium WebDriver C# and Ruby 给 Chrome，Firefox，IE，PhantomJS 浏览器设置 User Agent 的方法。

环境:
Mac OS Sierra, Ruby 2.3.1p112, Selenium 3.0.5, ChromDriver 2.26, GeckoDriver 0.13 Firefox 50.1, Chrome 55, PhantomJS 1.9.8

User Agent 示例（ipad）:
Mozilla/5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B314 Safari/531.21.10

Chrome

C#

var options = new ChromeOptions();
options.AddArgument("--user-agent=Mozilla/5.0 (iPad; CPU OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0 Mobile/10A5355d Safari/8536.25");

IWebDriver driver = new ChromeDriver(options);

Ruby

require 'selenium-webdriver'

USER_AGENT = 'Mozilla/5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B314 Safari/531.21.10;'
driver = Selenium::WebDriver.for :chrome, :switches => %W[--user-agent=#{USER_AGENT}]

Firefox

C#

var profile = new FirefoxProfile();
profile.SetPreference("general.useragent.override", "Mozilla/5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B314 Safari/531.21.10");

IWebDriver driver = new FirefoxDriver(profile);

Ruby

require 'selenium-webdriver'

profile = Selenium::WebDriver::Firefox::Profile.new
profile['general.useragent.override'] = 'Mozilla/5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B314 Safari/531.21.10'

driver = Selenium::WebDriver.for :firefox, :profile => profile

PhantomJS

C#

var options = new PhantomJSOptions();
options.AddAdditionalCapability("phantomjs.page.settings.userAgent", "Mozilla/5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B314 Safari/531.21.10");

IWebDriver driver = new PhantomJSDriver(options);

Ruby

require 'selenium-webdriver'

capabilities = Selenium::WebDriver::Remote::Capabilities.phantomjs('phantomjs.page.settings.userAgent' => 'Mozilla/5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B314 Safari/531.21.10')

driver = Selenium::WebDriver.for :phantomjs, :desired_capabilities => capabilities

IE

不幸但不出意料，IE 不允许 Selenium WebDriver 来原生地设置 User Agent。 以下引用自 IE driver 的开发者 Jim Evans：

The IE driver does not support changing the user agent, using capabilities or otherwise. Full stop.