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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                JxBrowser API允許接受通過console.log() JavaScript函數發送到Web控制臺的所有輸出消息。你可以接受到不同層次的JavaScript的Web控制臺消息:DEBUG, LOG, WARNING and ERROR。要開始接收Web控制臺消息,必須為指定的Browser 實例注冊ConsoleListener 。例如: ``` browser.addConsoleListener(new ConsoleListener() { public void onMessage(ConsoleEvent event) { System.out.println("Message: " + event.getMessage()); } }); ``` 現在,如果加載的網頁打印消息,通過Web控制臺JavaScript代碼 的console.log() ,console.error() , console.info() , 或console.warn() 函數,那么 ConsoleListener.onMessage()方法將被調用。 ``` import com.teamdev.jxbrowser.chromium.Browser; import com.teamdev.jxbrowser.chromium.events.ConsoleEvent; import com.teamdev.jxbrowser.chromium.events.ConsoleListener; import com.teamdev.jxbrowser.chromium.swing.BrowserView; import javax.swing.*; import java.awt.*; /** * The sample demonstrates how to listen to console messages including * JavaScript errors. */ public class ConsoleListenerSample { 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(700, 500); frame.setLocationRelativeTo(null); frame.setVisible(true); browser.addConsoleListener(new ConsoleListener() { public void onMessage(ConsoleEvent event) { System.out.println("Level: " + event.getLevel()); System.out.println("Message: " + event.getMessage()); } }); browser.executeJavaScript("console.error(\"Error message\");"); } } ```
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