selenium中3种浏览器的设置

case    IE :
   System.setProperty("webdriver.ie.driver","C:\Program Files\Internet Explorer\IEDriverServer.exe");
   driver = new InternetExplorerDriver();

   break;

  case  Chrome :
   System.setProperty("webdriver.chrome.driver", "C:\Program Files\Google\Chrome\Application\chromedriver.exe");
   driver = new ChromeDriver();
   break;

  case FireFox :
    System.setProperty("webdriver.firefox.bin","C:\Program Files\Mozilla Firefox\firefox.exe");
    driver = new FirefoxDriver();
    break;