selenium连接浏览器 Chrome IE Firefox java

public class WebDriverUtil {
	private static Logger logger = Logger.getLogger(TestTemplate.class);
	protected static final int CHROME_DRIVER = 1;
	protected static final int FIREFOX_DRIVER = 2;
	protected static final int IE_DRIVER = 3;
	private WebDriver webDriver;
	
	private void initWebDriver() {
		webDriver.manage().window().maximize();
		webDriver.manage().timeouts().pageLoadTimeout(20, TimeUnit.SECONDS);//页面加载超时设置
		webDriver.manage().timeouts().implicitlyWait(5, TimeUnit.SECONDS);//元素定位超时设置
		logger.info("webDriver初始化完成");
	}
	
	/**
	 * 关闭并释放webDriver
	 */
	public void closeWebDriver() {
		try {
			logger.info(webDriver.hashCode());
			webDriver.quit();
			logger.info("webDriver释放完成");
		} catch (Exception e) {
			logger.error("webDriver关闭失败");
			logger.error(e.getMessage());
		}
	}
	
	/**
	 * 获取webDriver驱动并初始化设置
	 *
	 * @param driverInt
	 * @return
	 */
	public WebDriver getWebDriver(int driverInt) {
		String driverPath = "";
		try {
			driverPath = new File("").getCanonicalPath() + "\\src\\main\\resources\\dataDriver\\Driver\\";
		} catch (IOException e) {
			e.printStackTrace();
		}
		switch (driverInt) {
			case CHROME_DRIVER: {
				System.setProperty("webdriver.chrome.driver", driverPath + "chromedriver.exe");
				webDriver = new ChromeDriver();
				this.initWebDriver();
				break;
			}
			case FIREFOX_DRIVER: {
				webDriver = new FirefoxDriver();
				this.initWebDriver();
				break;
			}
			case IE_DRIVER: {
				System.setProperty("webdriver.ie.driver", driverPath + "IEDriverServer32.exe");
				webDriver = new InternetExplorerDriver();
				this.initWebDriver();
				break;
			}
			default:
				break;
		}
		//webDriver.get("http://esf.pinganfang.com/sh");
		//String text=webDriver.findElement(By.id("findMetro")).getText();
		//logger.info(text);
		return webDriver;
	}