学步园

java 打开浏览器显示网页

public class BareBonesBrowserLaunch {

    public static void openURL(String url) {
        try {
            browse(url);
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, "Error attempting to launch web browser:\n" + e.getLocalizedMessage());
        }
    }

    private static void browse(String url) throws ClassNotFoundException, IllegalAccessException,
            IllegalArgumentException, InterruptedException, InvocationTargetException, IOException,
            NoSuchMethodException {
        String osName = System.getProperty("os.name", "");
        if (osName.startsWith("Mac OS")) {
            Class fileMgr = Class.forName("com.apple.eio.FileManager");
            Method openURL = fileMgr.getDeclaredMethod("openURL", new Class[] { String.class });
            openURL.invoke(null, new Object[] { url });
        } else if (osName.startsWith("Windows")) {
            Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
        } else { // assume Unix or Linux
            String[] browsers = { "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };
            String browser = null;
            for (int count = 0; count < browsers.length && browser == null; count++)
                if (Runtime.getRuntime().exec(new String[] { "which", browsers[count] }).waitFor() == 0)
                    browser = browsers[count];
            if (browser == null)
                throw new NoSuchMethodException("Could not find web browser");
            else
                Runtime.getRuntime().exec(new String[] { browser, url });
        }
    }
   
}