小编Sun*_*wal的帖子

我正在尝试在另一个JPanel中设置Jlay的Boxlayout.但我无法弄清楚如何解决这个错误

    Exception in thread "main" java.awt.AWTError: BoxLayout can't be shared
    at javax.swing.BoxLayout.checkContainer(BoxLayout.java:464)
at javax.swing.BoxLayout.invalidateLayout(BoxLayout.java:248)
at javax.swing.BoxLayout.addLayoutComponent(BoxLayout.java:281)
at java.awt.Container.addImpl(Container.java:1120)
at java.awt.Container.add(Container.java:410)
at chatmsg1.ProfilePanel.<init>(ProfilePanel.java:63)
at chatmsg1.ProfilePanel.main(ProfilePanel.java:108)
    Java Result: 1

这是守则!任何帮助将不胜感激 !!

import java.awt.BorderLayout;
import java.awt.GridLayout;
import javax.management.ImmutableDescriptor;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JLayeredPane;
import javax.swing.JPanel;

 class ProfilePanel extends JPanel{
 JLabel jl1,jl2,jl3,jl4,jl5,jl6,jl7,jl8,jl9,jl10;
 ImagePanel ip= new ImagePanel();
 JPanel jp1= new JPanel(new BorderLayout());
 JPanel labelpanel;
 static int textwidth=100; 
 static String uname, uage, usex, udept,   uheight="jjhkjhiuhiuhiuhiuhihihuihiuhiuhuhiuhiuhihihiuhhihhuhih",ubatch, ucontact, uemail;
public ProfilePanel() {
    this.labelpanel …

我正在尝试添加一个将JPanel扩展到另一个JPanel的图像面板.这对我来说效果不佳.图像面板的绘制功能不会在Jpanel中调用,但在JFrame中可以正常工作.任何想法或帮助将不胜感激.

import javax.swing.*;  
import java.awt.*;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;

class ImagePanel extends JPanel
{  
    int g_h=10,g_w=10;
    int width=50,height=50;
    int cornerradius;
    Image castle;
    Dimension size;
    protected int x1,y1;

    Color c1=new Color(255, 0, 0); 
    Rectangle rec;
    boolean b=false;
    boolean imboo=false;
    boolean roundb= false;

    Graphics g= this.getGraphics();
    protected int strokeSize = 1;
    protected Color shadowColor = Color.BLACK;
    boolean shadowed = false;

    public ImagePanel()  
    {     
        //super();
        setOpaque(false);
        setLayout(null);
        System.out.println("it executed");
    }

    public ImagePanel(int x, int y)
    {
        setSize(x, y);
    }

    public void setSize(int x,int …