如何通过 Java 使用 Selenium 调整元素的大小？

Question

我正在尝试通过链接 - http://jqueryui.com/resizable/自动化 Selenium 中的“可实现概念”（拖放）。我收到错误消息：

invalid selector: Unable to locate an element with the xpath expression //div[contains(@class.'demo-frame')].

您能否让我知道是否有任何其他方式来表示 XPATH？下面是我的代码。提前致谢。

public class ResizeExample {

    WebDriver driver;

    @Test

    public void testToResizeElement() {

        driver = new FirefoxDriver();

        driver.manage().window().maximize();

        driver.navigate().to("http://jqueryui.com/resizable/");

        WebDriverWait wait = new WebDriverWait(driver, 5);

        wait.until(ExpectedConditions.frameToBeAvailableAndSwitchToIt(By.cssSelector(".demo-frame")));

        WebElement resizeableElement = driver.findElement(By.cssSelector(".ui-resizable-handle.ui-resizable-se.ui-icon.ui-icon-gripsmall-diagonal-se"));

        resize(resizeableElement, 50, 50);

    }

    public void resize(WebElement elementToResize, int xOffset, int yOffset) {

        try {

            if (elementToResize.isDisplayed()) {

                Actions action = new Actions(driver);

                action.clickAndHold(elementToResize).moveByOffset(xOffset, yOffset).release().build().perform();

            } else {

                System.out.println("Element was not displayed to drag");

            }

        } catch (StaleElementReferenceException e) {

            System.out.println("Element with " + elementToResize + "is not attached to the page document "  + e.getStackTrace());

        } catch (NoSuchElementException e) {

            System.out.println("Element " + elementToResize + " was not found in DOM " + e.getStackTrace());

        } catch (Exception e) {

            System.out.println("Unable to resize" + elementToResize + " - " + e.getStackTrace());

        }

    }

}

Answer 1

要通过Selenium在网页http://jqueryui.com/resizable/中自动实现可实现的概念（拖放） ，您可以使用以下解决方案：代码块：System.setProperty("webdriver.gecko.driver", "C:\\Utility\\BrowserDrivers\\geckodriver.exe");WebDriver driver=new FirefoxDriver();driver.get("http://jqueryui.com/resizable/");driver.switchTo().frame(driver.findElement(By.xpath("//iframe[@class='demo-frame']")));WebElement  target = new WebDriverWait(driver, 20).until(ExpectedConditions.elementToBeClickable(By.xpath("//div[@class='ui-resizable-handle ui-resizable-se ui-icon ui-icon-gripsmall-diagonal-se']")));//dragAndDropBy(WebElement source, int xOffset, int yOffset) //status: WORKSnew Actions(driver).dragAndDropBy(target, 50, 50).build().perform();System.out.println("Resizing of element Completed");控制台输出：Resizing of element Completed浏览器快照：