如何使用Java和Selenium将高度较大的HTML页面转换成完整的图片？

1<br>
2<br>
3<br>
4<br>
...
800<br>

import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
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 javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class HtmlToImage_Selenium {
    public static void main(String[] args) throws IOException {
        // ChromeDriver路径及输出路径  (请替换为您的实际路径)
        String chromePath = "D:\htmlToImg\Selenium\chromedriver-win64\chromedriver.exe";
        String outputDir = "D:\htmlToImg\Selenium\output\";

        System.setProperty("webdriver.chrome.driver", chromePath);

        ChromeOptions options = new ChromeOptions();
        options.addArguments("--headless"); // 无头模式
        options.addArguments("--window-size=1920,1080"); // 设置窗口大小

        WebDriver driver = new ChromeDriver(options);

        try {
            driver.get("file:///D:/htmlToImg/Test.html");

            WebDriverWait wait = new WebDriverWait(driver, 15);
            wait.until(ExpectedConditions.visibilityOfElementLocated(By.tagName("body")));

            JavascriptExecutor js = (JavascriptExecutor) driver;
            long pageHeight = (long) js.executeScript("return document.body.scrollHeight;");
            System.out.println("页面高度为: " + pageHeight);

            // 每次截图高度，以及重叠高度
            int captureHeight = 1000;
            int overlapHeight = 250;

            List<BufferedImage> images = new ArrayList<>();
            int currentScroll = 0;

            while (currentScroll < pageHeight) {
                js.executeScript("window.scrollTo(0," + currentScroll + ")");
                wait.until(ExpectedConditions.stalenessOf(driver.findElement(By.tagName("body")))); // 等待页面滚动完成

                File screenshot = new File(outputDir + "screenshot_" + currentScroll + ".png");
                driver.getScreenshotAs(OutputType.FILE).copy(screenshot);
                images.add(ImageIO.read(screenshot));

                currentScroll += (captureHeight - overlapHeight);
            }

            //此处需要添加图片拼接逻辑，将images列表中的图片拼接成一张完整的图片
            // ... 图片拼接代码 ...

        } finally {
            driver.quit();
        }
    }

    // ... 图片拼接方法 (需要自行实现) ...
}