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                ### 關鍵點:click方法是異步的,返回不代表模擬點擊已經結束 JxBrowser DOM API提供的功能允許您模擬加載的網頁上的任何HTML元素的單擊。要模擬點擊,您需要確保完全加載網頁并在文檔中找到所需的HTML元素: ``` DOMDocument document = browser.getDocument(); DOMElement link = document.findElement(By.tagName("button")); ``` 獲得對所需HTML元素的引用后,可以使用DOMNode.click()方法模擬單擊。 ``` link.click(); ``` **請注意,此方法異步工作。當此方法返回時,并不意味著單擊模擬已完成。** 當您需要模擬用戶操作(包括鼠標單擊指定的HTML元素)時,此功能在自動測試中非常有用。 ``` import com.teamdev.jxbrowser.chromium.Browser; import com.teamdev.jxbrowser.chromium.dom.By; import com.teamdev.jxbrowser.chromium.dom.DOMDocument; import com.teamdev.jxbrowser.chromium.dom.DOMElement; import com.teamdev.jxbrowser.chromium.events.FinishLoadingEvent; import com.teamdev.jxbrowser.chromium.events.LoadAdapter; import com.teamdev.jxbrowser.chromium.swing.BrowserView; import javax.swing.*; import java.awt.*; /** * This sample demonstrates how to simulate click on a specific HTML element. */ public class DOMSimulateClickSample { public static void main(String[] args) { Browser browser = new Browser(); BrowserView browserView = new BrowserView(browser); JFrame frame = new JFrame(); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.add(browserView, BorderLayout.CENTER); frame.setSize(800, 600); frame.setLocationRelativeTo(null); frame.setVisible(true); browser.addLoadListener(new LoadAdapter() { @Override public void onFinishLoadingFrame(FinishLoadingEvent event) { if (event.isMainFrame()) { Browser browser = event.getBrowser(); DOMDocument document = browser.getDocument(); DOMElement link = document.findElement(By.tagName("button")); if (link != null) { link.click(); } } } }); browser.loadHTML("<html><body><button id='button' " + "onclick=\"alert('Button has been clicked!');\">Click Me!</button>" + "</body></html>"); } } ```
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