/**

     * 定义函数initBrowser

     * @param browser：字符串参数chrome/ie/xx

     * @return 并返回驱动

     */

    public static WebDriver initBrowser(String browser) {

        if(browser.equalsIgnoreCase("firefox")) {

            System.setProperty("webdriver.gecko.driver", Path_BrowserDrivers+"geckodriver.exe");

            driver = new FirefoxDriver();

            driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);

            info("启动Firefox浏览器");

        }else if (browser.equalsIgnoreCase("ie")){

            System.setProperty("webdriver.ie.driver",Path_BrowserDrivers+"IEDriverServer.exe");

            driver = new InternetExplorerDriver();

            driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);

            info("启动IE浏览器");

        }else {

            System.setProperty("webdriver.chrome.driver",Path_BrowserDrivers+"chromedriver.exe");

            driver = new ChromeDriver();

            driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);

            info("启动Chrome浏览器");

        }

        driver.manage().window().maximize();

        info("最大化浏览器");

        return driver;

    }

    /**

     * 进入页面url

     * @param url：驱动浏览器，打开的页面url

     * @param browser：字符串参数chrome/ie/xx

     * @param timeOutInSeconds：等待时常

     */

    public static void openBrowser(String url, String browser, int timeOutInSeconds) {

        driver = initBrowser(browser);

        driver.manage().timeouts().implicitlyWait(timeOutInSeconds, TimeUnit.SECONDS);

        driver.get(url);

    }