selenium+Java警告框的处理

public class Demo11 {
public static void main(String[] args) {
FirefoxDriver driver = new FirefoxDriver();
driver.get(“http://www.baidu.com/”);

	//定位到设置
	WebElement el = driver.findElement(By.linkText("设置"));
	el.click();
	
	//定位搜索设置并点击
	WebElement el_set = driver.findElementByCssSelector(".setpref");
	el_set.click();
	
	try {
		Thread.sleep(2000);
	} catch (InterruptedException e) {
		e.printStackTrace();
	}
	
	//定位保存设置按钮
	WebElement el_save = driver.findElementByCssSelector(".prefpanelgo");
	el_save.click();
	
	try {
		Thread.sleep(2000);
	} catch (InterruptedException e) {
		e.printStackTrace();
	}
	//进入警告框并点击接受
	//driver.switchTo().alert().accept();	
	//进入警告框并点击警告框
	driver.switchTo().alert().dismiss();
	driver.close();
}

}