码：

WebDriver wd = new FirefoxDriver();
wd.get("http://www.gmail.com");

wd.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);    
wd.manage().window().maximize();
//To open a new tab         
Robot r = new Robot();                          
r.keyPress(KeyEvent.VK_CONTROL); 
r.keyPress(KeyEvent.VK_T); 
r.keyRelease(KeyEvent.VK_CONTROL); 
r.keyRelease(KeyEvent.VK_T);    
//To switch to the new tab
ArrayList<String> tabs = new ArrayList<String>(wd.getWindowHandles());
wd.switchTo().window(tabs.get(1));
//To navigate to new link/URL in 2nd new tab
wd.get("http://facebook.com");