Java 小程序代码在AppletViewer(eclipse)中工作,而不是在浏览器中

Java 小程序代码在AppletViewer(eclipse)中工作,而不是在浏览器中,java,html,browser,applet,appletviewer,Java,Html,Browser,Applet,Appletviewer,我今天写了这样的代码: import javax.swing.BorderFactory; import javax.swing.JApplet; import javax.swing.JPanel; import javax.swing.SwingUtilities; import javax.swing.UIManager; import net.miginfocom.swing.MigLayout; @SuppressWarnings("serial") public class ma

我今天写了这样的代码:

import javax.swing.BorderFactory;
import javax.swing.JApplet;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;

import net.miginfocom.swing.MigLayout;

@SuppressWarnings("serial")
public class mainClass extends JApplet {

    public void init() {
        //Execute a job on the event-dispatching thread; creating this applet's GUI.
        try {
            SwingUtilities.invokeAndWait(new Runnable() {
                public void run() {

                    try {

                        UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");

                        JPanel czat = new JPanel();

                        setLayout(new MigLayout());

                        JPanel panel3 = new JPanel();
                        panel3.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Gry"));

                        add(panel3, "height 200:75%:10000, width 200:75%:10000");

                        JPanel panel1 = new JPanel();
                        panel1.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Gracze"));

                        add(panel1, "height 200:75%:10000, width 50:25%:10000, wrap");

                        JPanel panel2 = new JPanel();
                        panel2.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), "Czat"));

                        add(czat, "height 50:25%:10000, width 100%, span");

                        setVisible(true); // important


                    } catch (Exception e) {
                        e.printStackTrace();
                    }


                }
            });
        } catch (Exception e) {
            System.err.println("createGUI didn't complete successfully");
        }
    }
}
谁能告诉我,为什么它在Applet查看器中工作,而不是在浏览器中?在我使用MigLayout之前一直在工作。我使用的html代码是:

<html>
<applet alt = "Aplikacja klienta" code = 'mainClass' archive = 'applet.jar', width=500, height=500 />
</html>

我在不同的地方寻找,但我找不到解决办法

提前感谢,,
Marcin

请尝试此版本的HTML,确保将“n.n”与正在使用的MigLayout的版本号交换

<html>
<body>
<applet
    alt="Aplikacja klienta"
    code='mainClass'
    archive='applet.jar, miglayout-n.n-swing.jar, miglayout-n.n.jar'
    width=500
    height=500 >
</applet>
</body>
</html>

.  那个HTML在很多方面都是无效的,我都数不清了


另一个技巧是,确保Java控制台配置为在加载小程序时打开。这对于applet开发至关重要。在Java控制面板的最后一个选项卡下配置它。

setVisible(true);//重要的
不,
//多余的
。就是它。非常感谢你。