Selenium webdriver中未捕获整页屏幕截图，因为正文返回时高度为0

Question

 import java.util.concurrent.TimeUnit;    
    import javax.imageio.ImageIO;    
    import org.openqa.selenium.Dimension;
    import org.openqa.selenium.JavascriptExecutor;
    import org.openqa.selenium.OutputType;
    import org.openqa.selenium.TakesScreenshot;
    import org.openqa.selenium.WebDriver;
    import org.openqa.selenium.chrome.ChromeDriver;
    import org.openqa.selenium.remote.Augmenter;

    import com.epath.smoketest.pageobjects.Login;import java.awt.Graphics2D;
    import java.awt.image.BufferedImage;
    import java.io.ByteArrayInputStream;
    import java.io.File;
    import java.io.IOException;

    import com.epath.smoketest.pageobjects.Navigation;

    public class Screenshoptcapture {

        private static int scrollTimeout = 0;

        public Screenshoptcapture(int timeout) {
            scrollTimeout = timeout;
        }

        private static String getFullHeight(WebDriver driver) {
            JavascriptExecutor js = (JavascriptExecutor) driver;
            return js.executeScript("return document.body.scrollHeight").toString();
        }

        private static int getFullWidth(WebDriver driver) {
            JavascriptExecutor js = (JavascriptExecutor) driver;
            return ((Long) js.executeScript("return window.innerWidth", new Object[0])).intValue();
        }

        private static int getWindowHeight(WebDriver driver) {
            JavascriptExecutor js = (JavascriptExecutor) driver;
            return ((Long) js.executeScript("return window.innerHeight", new Object[0])).intValue();
        }

        private static void waitForScrolling() {
            try {
                Thread.sleep(scrollTimeout);
            } catch (InterruptedException ignored) {
            }
        }

        private static BufferedImage getScreenshotNative(WebDriver wd) {
            ByteArrayInputStream imageArrayStream = null;
            TakesScreenshot takesScreenshot = (TakesScreenshot) new Augmenter().augment(wd);
            try {
                imageArrayStream = new ByteArrayInputStream(takesScreenshot.getScreenshotAs(OutputType.BYTES));
                return ImageIO.read(imageArrayStream);
            } catch (IOException e) {
                throw new RuntimeException("Can not parse screenshot data", e);
            } finally {
                try {
                    if (imageArrayStream != null) {
                        imageArrayStream.close();
                    }
                } catch (IOException ignored) {
                }
            }
        }

        public static BufferedImage getScreenshot(WebDriver wd) {
            JavascriptExecutor js = (JavascriptExecutor) wd;
            int allHeight = Integer.parseInt(getFullHeight(wd));
            int allWidth = getFullWidth(wd);
            int winHeight = getWindowHeight(wd);
            int scrollTimes = allHeight / winHeight;
            int tail = allHeight - winHeight * scrollTimes;
            BufferedImage finalImage = new BufferedImage(allWidth, allHeight, BufferedImage.TYPE_4BYTE_ABGR);
            Graphics2D graphics = finalImage.createGraphics();
            for (int n = 0; n < scrollTimes; n++) {
                js.executeScript("scrollTo(0, arguments[0])", winHeight * n);
                waitForScrolling();
                BufferedImage part = getScreenshotNative(wd);
                graphics.drawImage(part, 0, n * winHeight, null);
            }
            if (tail > 0) {
                js.executeScript("scrollTo(0, document.body.scrollHeight)");
                waitForScrolling();
                BufferedImage last = getScreenshotNative(wd);
                BufferedImage tailImage = last.getSubimage(0, last.getHeight() - tail, last.getWidth(), tail);
                graphics.drawImage(tailImage, 0, scrollTimes * winHeight, null);
            }
            graphics.dispose();
            return finalImage;
        }

        public static void screenshotUsingjavaScript(WebDriver wd, String filename) {
            try {
                ImageIO.write(getScreenshot(wd), "PNG", new File(filename));
            } catch (IOException e) {
                System.out.println(e);
            }
        }

        public static void main(String argc[]) {
            System.setProperty("webdriver.chrome.driver", "C:\\Users\\admin\\Desktop\\Required Software For Automation\\chromedriver.exe");

            WebDriver driver = new ChromeDriver();
            driver.manage().window().fullscreen();
            driver.get(" ");        
            Screenshoptcapture.screenshotUsingjavaScript(driver, "C:\\Users\\admin\\Desktop\\Required Software For Automation\\Userlist.png");
            Utils.pauseTestExecution(8);

            driver.quit();
        }
    }

Answer 1

也许你的身体实际高度为0。可能您的直接子对象是浮点数：或位置：绝对/固定的（所以他们是从框中取出的）？可能身体高度为0 或<代码>最大高度：0 。