Selenium Webdriver之点击图像链接

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

public class testSelenium {
    public WebDriver driver;

    @BeforeMethod()
    public void beforeTest() {
        ChromeOptions options = new ChromeOptions();
        Map<String, Object> prefs = new HashMap<String, Object>();
        prefs.put("profile.default_content_setting_values.notifications", 2);
        options.setExperimentalOption("prefs", prefs);
        System.setProperty("webdriver.chrome.driver", "Driver/chromedriver.exe");
        driver = new ChromeDriver(options);
        driver.manage().window().maximize();
    }
    @Test()
    public void testBaidu() {
        String url = "https://www.baidu.com/s?&wd=%E7%99%BE%E5%BA%A6";
        driver.get(url);
        WebElement baiduImg;
        baiduImg = driver.findElement(By.xpath("img[title='到百度首页']:nth-child(1)"));
        baiduImg.click();

        if(driver.getTitle().equals("百度一下，你就知道")) {
            System.out.println("已经回到了百度主页！");
        }else {
            System.out.println("并没有回到百度主页！");
        }

        driver.close();
    }
}