java+selenium——鼠標懸停，並點擊

package rjcs;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.List;

import org.apache.commons.io.FileUtils;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.interactions.Actions;
import org.openqa.selenium.By;
import org.openqa.selenium.WebElement;
import org.testng.annotations.Test;

import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

import org.openqa.selenium.OutputType;

import com.thoughtworks.selenium.SeleneseTestNgHelper;

public class qyjt 
{
    
    public static void main(String[] args)
    
    {
         System.setProperty("webdriver.firefox.bin","C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe");    //設置火狐的安裝路徑，防止系統找不到
            
         FirefoxDriver driver = new FirefoxDriver();        //初始化FireFox瀏覽器實例，並打開瀏覽器
         
        try
        {
             driver.manage().window().maximize();         //最大化窗口
             
             Thread.sleep(5000);        
             
             driver.manage().window().maximize();         //最大化窗口
             
             Thread.sleep(5000);
        
             driver.get("https://www.baidu.com");                    //打開一個網址，方法一             
        
             Thread.sleep(5000);
             
             Actions action = new Actions(driver);
             
             
             action.moveToElement(driver.findElementByLinkText("設置")).perform();     //鼠標懸浮在 設置  元素上面
             
             driver.findElementByClassName("setpref").click();      // 打開搜索設置
          

             Thread.sleep(10000);  
             
        }catch (Exception e) 
        {
            e.printStackTrace();
        }finally 
        {
            driver.quit();
        
         }
   }

}