话不多说，代码如下：
u""" @author: xieyanfen1990@126.com @attention: this is PhantomJS about webdriver and settings User-Agent """ from selenium import webdriver from selenium.webdriver.common.desired_capabilities import DesiredCapabilities url="http://m.dianping.com/forum/note/7868689" ua1=("Mozilla/5.0 (Windows NT 6.1; WOW64; rv:25.0) ""Gecko/20100101 Firefox/25.0") dcap = dict(DesiredCapabilities.PHANTOMJS) dcap["phantomjs.page.settings.userAgent"] = ua1 driver=webdriver.PhantomJS(desired_capabilities=dcap) driver.get(url) current_url=driver.current_url print "the first url is :"+current_url ua2=('Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X; en-us) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53') dcap["phantomjs.page.settings.userAgent"] = ua2 driver=webdriver.PhantomJS(desired_capabilities=dcap) driver.get(url) current_url=driver.current_url print "the second url is :"+current_url
得到运行结果是：
CindydeMacBook-Pro:httpreader cindy$ python test.py the first url is :http://s.dianping.com/topic/7868689 the second url is :http://m.dianping.com/forum/note/7868689