小编Nat*_*711的帖子

我制作了一个简单的测试applet,它有一个红色背景和几个按钮.当我运行applet(它在http://nuevawave.org/sandbox/JavaGallery/GUIApplet.html)时,按钮显示,但红色不显示.当我点击小程序时,有时背景的一部分会闪烁红色.有谁知道可能是什么问题？

这是applet代码:

package test;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.JApplet.*;

public class GUIApplet extends javax.swing.JApplet {

/** Initializes the applet GUIApplet */
public void init() {
    try {
        java.awt.EventQueue.invokeAndWait(new Runnable() {
            public void run() {
                initComponents();
            }
        });
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

public void paint(Graphics g) {
    super.paint(g);
}

/** This method is called from within the init() method to
 * initialize the form.
 * WARNING: Do NOT modify this code. The …