新年好!关于JAVA多文档窗口的问题!

Question

我的界面是用SWING做的,布局是BorderLayout,有一个jPanel1放在当中的位置.并且把jPanel1改了Color在这个jPanel1中有7个JButton6个JLable.现在出现一个问题,我点击其中的一个JButton会产生一个窗口,这个窗口是继承自JInternalFrame,当我关闭这个窗口时之前的jPanel1不会刷新了,我打开之后是用remove把jPanel1删除的.关闭的时候我又重新add了!说不清楚,我放代码上来吧.刚学java帮帮忙!谢谢!
下面是主程序文件MainFrame.java

Answer 1

package view;import java.awt.BorderLayout;
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JMenuBar;
import javax.swing.JToolBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JButton;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
import java.awt.Color;
import javax.swing.SwingConstants;
import java.awt.Rectangle;
import javax.swing.JLabel;
import java.awt.SystemColor;
import javax.swing.BorderFactory;
import javax.swing.border.TitledBorder;
import java.util.Timer;
import java.util.TimerTask;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JDesktopPane;public class MainFrame extends JFrame {
    private static final int TOOLBAR_BTN_COUNT = 7;
    BorderLayout borderLayout1 = new BorderLayout();
    JMenuBar jMenuBar1 = new JMenuBar();
    JToolBar jToolBar1 = new JToolBar();
    JMenu jMenu1 = new JMenu();
    JMenuItem jMenuItem1 = new JMenuItem();
    ImageIcon arraw1 = new ImageIcon(".\\icon\\arrow1.gif");
    ImageIcon arraw2 = new ImageIcon(".\\icon\\arrow2.gif");
    ImageIcon arraw3 = new ImageIcon(".\\icon\\arrow3.gif");
    ImageIcon arraw4 = new ImageIcon(".\\icon\\arrow4.gif");
    ImageIcon arraw5 = new ImageIcon(".\\icon\\arrow5.gif");
    ImageIcon arraw6 = new ImageIcon(".\\icon\\arrow6.gif");    ImageIcon bt0Icon = new ImageIcon(".\\icon\\center0.gif");
    ImageIcon bt1Icon = new ImageIcon(".\\icon\\center1.gif");
    ImageIcon bt2Icon = new ImageIcon(".\\icon\\center2.gif");
    ImageIcon bt3Icon = new ImageIcon(".\\icon\\center3.gif");
    ImageIcon bt4Icon = new ImageIcon(".\\icon\\center4.gif");
    ImageIcon bt5Icon = new ImageIcon(".\\icon\\center5.gif");
    ImageIcon bt6Icon = new ImageIcon(".\\icon\\center6.gif");
    ImageIcon[] tbIcon = new ImageIcon[TOOLBAR_BTN_COUNT];
    JButton toobarBtn[] = new JButton[TOOLBAR_BTN_COUNT];
    JPanel jPanel1 = new JPanel();
    private String tbText[] = {"　药品零售　", "　药品入库　", "药品字典维护",
                              "　基本信息　", "　用户管理　", "　关于程序　",
                              "　退出程序　"};
    JDesktopPane desktopPane = new JDesktopPane();
    JButton jButton1 = new JButton(bt0Icon);
    JLabel jLabel1 = new JLabel();
    JButton jButton2 = new JButton(bt1Icon);
    JLabel jLabel2 = new JLabel();
    JButton jButton3 = new JButton(bt1Icon);
    JLabel jLabel3 = new JLabel();
    JLabel jLabel4 = new JLabel();
    JLabel jLabel5 = new JLabel();
    JLabel jLabel6 = new JLabel();
    JButton jButton4 = new JButton(bt1Icon);
    JButton jButton5 = new JButton(bt1Icon);
    JButton jButton6 = new JButton(bt1Icon);
    JButton jButton7 = new JButton(bt1Icon);
    JPanel jPanel2 = new JPanel();
    JLabel jLabel7 = new JLabel();
    TitledBorder titledBorder1 = new TitledBorder("");
    JLabel jLabel8 = new JLabel();
    JLabel jLabel9 = new JLabel();
    GridLayout gridLayout1 = new GridLayout();
    Timer timer = new Timer();
    TimerTask tt = new TimerTask() {
        public void run() {
            jLabel7.setText("当前时间:" +
                            new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new
                    Date()));
        }
    };    public MainFrame() {
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }    private void jbInit() throws Exception {
        //初始化TOOBAR上的BUTTON
        for (int i = 0; i < TOOLBAR_BTN_COUNT; i++) {
            tbIcon[i] = new ImageIcon(".\\icon\\tb" + (i + 1) + ".gif");
            toobarBtn[i] = new JButton(tbText[i], tbIcon[i]);
            toobarBtn[i].setVerticalTextPosition(SwingConstants.BOTTOM);
            toobarBtn[i].setHorizontalTextPosition(SwingConstants.CENTER);
            jToolBar1.add(toobarBtn[i]);
            //jToolBar1.add(new JSeparator());
        }        getContentPane().setLayout(borderLayout1);
        this.getContentPane().setBackground(SystemColor.control);
        this.setJMenuBar(jMenuBar1);
        jMenu1.setText("药品销售");
        jMenuItem1.setText("药品零售");        jPanel1.setBackground(new Color(192, 220, 192));
        jPanel1.setLayout(null);
        jButton1.setBounds(new Rectangle(352, 126, 150, 85));
        jButton1.setToolTipText("");
        jButton1.setText("药品库存");
        jLabel1.setIcon(arraw1);
        jLabel1.setBounds(new Rectangle(172, 48, 179, 112));
        jButton2.setBounds(new Rectangle(23, 25, 150, 85));
        jButton2.setToolTipText("");
        jButton2.setText("药品零售");
        jLabel2.setIcon(arraw2);
        jLabel2.setBounds(new Rectangle(183, 189, 162, 112));
        jButton3.setBounds(new Rectangle(24, 246, 150, 85));
        jButton3.setToolTipText("");
        jButton3.setIcon(bt2Icon);
        jButton3.setText("药品批发");
        jLabel3.setIcon(arraw3);
        jLabel3.setBounds(new Rectangle(336, 223, 68, 145));
        jLabel4.setIcon(arraw4);
        jLabel4.setText("");
        jLabel4.setBounds(new Rectangle(489, 227, 68, 145));
        jLabel5.setIcon(arraw5);
        jLabel5.setBounds(new Rectangle(517, 178, 149, 100));
        jLabel6.setIcon(arraw6);
        jLabel6.setText("");
        jLabel6.setBounds(new Rectangle(517, 56, 152, 94));
        jButton4.setBounds(new Rectangle(258, 371, 150, 85));
        jButton4.setToolTipText("");
        jButton4.setIcon(bt3Icon);
        jButton4.setText("商家退货");
        jButton5.setBounds(new Rectangle(485, 371, 150, 85));
        jButton5.setToolTipText("");
        jButton5.setIcon(bt4Icon);
        jButton5.setText("顾客退货");
        jButton6.setBounds(new Rectangle(666, 215, 150, 85));
        jButton6.setToolTipText("");
        jButton6.setIcon(bt5Icon);
        jButton6.setText("药品字典");
        jButton6.addActionListener(new MainFrame_jButton6_actionAdapter(this));
        jButton7.setBounds(new Rectangle(666, 13, 150, 85));
        jButton7.setToolTipText("");
        jButton7.setIcon(bt6Icon);
        jButton7.setText("药品入库");
        jLabel7.setBorder(BorderFactory.createLoweredBevelBorder());
        jLabel7.setText("当前时间:2008-2-12 21:42:59");
        jPanel2.setLayout(gridLayout1);
        jLabel8.setBorder(BorderFactory.createLoweredBevelBorder());
        jLabel8.setText("操作员:超级用户");
        jLabel9.setBorder(BorderFactory.createLoweredBevelBorder());
        jLabel9.setToolTipText("");
        jLabel9.setText("北大青鸟T78班");
        this.getContentPane().add(jPanel1, java.awt.BorderLayout.CENTER);
        jPanel1.add(jButton1);
        jPanel1.add(jButton2);
        jPanel1.add(jLabel1);
        jPanel1.add(jLabel2);
        jPanel1.add(jLabel3);
        jPanel1.add(jLabel6);
        jPanel1.add(jLabel5);
        jPanel1.add(jLabel4);
        jPanel1.add(jButton3);
        jPanel1.add(jButton4);
        jPanel1.add(jButton5);
        jPanel1.add(jButton6);
        jPanel1.add(jButton7);
        this.getContentPane().add(jPanel2, java.awt.BorderLayout.NORTH);
        jMenuBar1.add(jMenu1);
        jMenu1.add(jMenuItem1);
        this.getContentPane().add(jToolBar1, java.awt.BorderLayout.NORTH);
        this.getContentPane().add(jPanel2, java.awt.BorderLayout.SOUTH);        jPanel2.add(jLabel7, null);
        jPanel2.add(jLabel8, null);
        jPanel2.add(jLabel9, null);
        timer.schedule(tt, 0, 1000);    }

Answer 2

[code=Java]
package view;import java.awt.BorderLayout;
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JMenuBar;
import javax.swing.JToolBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JButton;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
import java.awt.Color;
import javax.swing.SwingConstants;
import java.awt.Rectangle;
import javax.swing.JLabel;
import java.awt.SystemColor;
import javax.swing.BorderFactory;
import javax.swing.border.TitledBorder;
import java.util.Timer;
import java.util.TimerTask;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JDesktopPane;public class MainFrame extends JFrame {
    private static final int TOOLBAR_BTN_COUNT = 7;
    BorderLayout borderLayout1 = new BorderLayout();
    JMenuBar jMenuBar1 = new JMenuBar();
    JToolBar jToolBar1 = new JToolBar();
    JMenu jMenu1 = new JMenu();
    JMenuItem jMenuItem1 = new JMenuItem();
    ImageIcon arraw1 = new ImageIcon(".\\icon\\arrow1.gif");
    ImageIcon arraw2 = new ImageIcon(".\\icon\\arrow2.gif");
    ImageIcon arraw3 = new ImageIcon(".\\icon\\arrow3.gif");
    ImageIcon arraw4 = new ImageIcon(".\\icon\\arrow4.gif");
    ImageIcon arraw5 = new ImageIcon(".\\icon\\arrow5.gif");
    ImageIcon arraw6 = new ImageIcon(".\\icon\\arrow6.gif");    ImageIcon bt0Icon = new ImageIcon(".\\icon\\center0.gif");
    ImageIcon bt1Icon = new ImageIcon(".\\icon\\center1.gif");
    ImageIcon bt2Icon = new ImageIcon(".\\icon\\center2.gif");
    ImageIcon bt3Icon = new ImageIcon(".\\icon\\center3.gif");
    ImageIcon bt4Icon = new ImageIcon(".\\icon\\center4.gif");
    ImageIcon bt5Icon = new ImageIcon(".\\icon\\center5.gif");
    ImageIcon bt6Icon = new ImageIcon(".\\icon\\center6.gif");
    ImageIcon[] tbIcon = new ImageIcon[TOOLBAR_BTN_COUNT];
    JButton toobarBtn[] = new JButton[TOOLBAR_BTN_COUNT];
    JPanel jPanel1 = new JPanel();
    private String tbText[] = {"　药品零售　", "　药品入库　", "药品字典维护",
                              "　基本信息　", "　用户管理　", "　关于程序　",
                              "　退出程序　"};
    JDesktopPane desktopPane = new JDesktopPane();
    JButton jButton1 = new JButton(bt0Icon);
    JLabel jLabel1 = new JLabel();
    JButton jButton2 = new JButton(bt1Icon);
    JLabel jLabel2 = new JLabel();
    JButton jButton3 = new JButton(bt1Icon);
    JLabel jLabel3 = new JLabel();
    JLabel jLabel4 = new JLabel();
    JLabel jLabel5 = new JLabel();
    JLabel jLabel6 = new JLabel();
    JButton jButton4 = new JButton(bt1Icon);
    JButton jButton5 = new JButton(bt1Icon);
    JButton jButton6 = new JButton(bt1Icon);
    JButton jButton7 = new JButton(bt1Icon);
    JPanel jPanel2 = new JPanel();
    JLabel jLabel7 = new JLabel();
    TitledBorder titledBorder1 = new TitledBorder("");
    JLabel jLabel8 = new JLabel();
    JLabel jLabel9 = new JLabel();
    GridLayout gridLayout1 = new GridLayout();
    Timer timer = new Timer();
    TimerTask tt = new TimerTask() {
        public void run() {
            jLabel7.setText("当前时间:" +
                            new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new
                    Date()));
        }
    };    public MainFrame() {
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }    private void jbInit() throws Exception {
        //初始化TOOBAR上的BUTTON
        for (int i = 0; i < TOOLBAR_BTN_COUNT; i++) {
            tbIcon[i] = new ImageIcon(".\\icon\\tb" + (i + 1) + ".gif");
            toobarBtn[i] = new JButton(tbText[i], tbIcon[i]);
            toobarBtn[i].setVerticalTextPosition(SwingConstants.BOTTOM);
            toobarBtn[i].setHorizontalTextPosition(SwingConstants.CENTER);
            jToolBar1.add(toobarBtn[i]);
            //jToolBar1.add(new JSeparator());
        }        getContentPane().setLayout(borderLayout1);
        this.getContentPane().setBackground(SystemColor.control);
        this.setJMenuBar(jMenuBar1);
        jMenu1.setText("药品销售");
        jMenuItem1.setText("药品零售");        jPanel1.setBackground(new Color(192, 220, 192));
        jPanel1.setLayout(null);
        jButton1.setBounds(new Rectangle(352, 126, 150, 85));
        jButton1.setToolTipText("");
        jButton1.setText("药品库存");
        jLabel1.setIcon(arraw1);
        jLabel1.setBounds(new Rectangle(172, 48, 179, 112));
        jButton2.setBounds(new Rectangle(23, 25, 150, 85));
        jButton2.setToolTipText("");
        jButton2.setText("药品零售");
        jLabel2.setIcon(arraw2);
        jLabel2.setBounds(new Rectangle(183, 189, 162, 112));
        jButton3.setBounds(new Rectangle(24, 246, 150, 85));
        jButton3.setToolTipText("");
        jButton3.setIcon(bt2Icon);
        jButton3.setText("药品批发");
        jLabel3.setIcon(arraw3);
        jLabel3.setBounds(new Rectangle(336, 223, 68, 145));
        jLabel4.setIcon(arraw4);
        jLabel4.setText("");
        jLabel4.setBounds(new Rectangle(489, 227, 68, 145));
        jLabel5.setIcon(arraw5);
        jLabel5.setBounds(new Rectangle(517, 178, 149, 100));
        jLabel6.setIcon(arraw6);
        jLabel6.setText("");
        jLabel6.setBounds(new Rectangle(517, 56, 152, 94));
        jButton4.setBounds(new Rectangle(258, 371, 150, 85));
        jButton4.setToolTipText("");
        jButton4.setIcon(bt3Icon);
        jButton4.setText("商家退货");
        jButton5.setBounds(new Rectangle(485, 371, 150, 85));
        jButton5.setToolTipText("");
        jButton5.setIcon(bt4Icon);
        jButton5.setText("顾客退货");
        jButton6.setBounds(new Rectangle(666, 215, 150, 85));
        jButton6.setToolTipText("");
        jButton6.setIcon(bt5Icon);
        jButton6.setText("药品字典");
        jButton6.addActionListener(new MainFrame_jButton6_actionAdapter(this));
        jButton7.setBounds(new Rectangle(666, 13, 150, 85));
        jButton7.setToolTipText("");
        jButton7.setIcon(bt6Icon);
        jButton7.setText("药品入库");
        jLabel7.setBorder(BorderFactory.createLoweredBevelBorder());
        jLabel7.setText("当前时间:2008-2-12 21:42:59");
        jPanel2.setLayout(gridLayout1);
        jLabel8.setBorder(BorderFactory.createLoweredBevelBorder());
        jLabel8.setText("操作员:超级用户");
        jLabel9.setBorder(BorderFactory.createLoweredBevelBorder());
        jLabel9.setToolTipText("");
        jLabel9.setText("北大青鸟T78班");
        this.getContentPane().add(jPanel1, java.awt.BorderLayout.CENTER);
        jPanel1.add(jButton1);
        jPanel1.add(jButton2);
        jPanel1.add(jLabel1);
        jPanel1.add(jLabel2);
        jPanel1.add(jLabel3);
        jPanel1.add(jLabel6);
        jPanel1.add(jLabel5);
        jPanel1.add(jLabel4);
        jPanel1.add(jButton3);
        jPanel1.add(jButton4);
        jPanel1.add(jButton5);
        jPanel1.add(jButton6);
        jPanel1.add(jButton7);
        this.getContentPane().add(jPanel2, java.awt.BorderLayout.NORTH);
        jMenuBar1.add(jMenu1);
        jMenu1.add(jMenuItem1);
        this.getContentPane().add(jToolBar1, java.awt.BorderLayout.NORTH);
        this.getContentPane().add(jPanel2, java.awt.BorderLayout.SOUTH);        jPanel2.add(jLabel7, null);
        jPanel2.add(jLabel8, null);
        jPanel2.add(jLabel9, null);
        timer.schedule(tt, 0, 1000);    }
[/code]

Answer 3

下面是YPDict.javapackage view;import java.awt.*;import javax.swing.*;
import javax.swing.event.InternalFrameEvent;
import javax.swing.event.InternalFrameAdapter;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;public class YPDict extends JInternalFrame {
    BorderLayout borderLayout1 = new BorderLayout();
    private MainFrame mf;
    public YPDict(MainFrame mf) {        super("药品字典管理", true, true, true, true);
        this.mf = mf;
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }    private void jbInit() throws Exception {        getContentPane().setLayout(borderLayout1);
        this.addInternalFrameListener(new YPDict_this_internalFrameAdapter(this));
    }    public void this_internalFrameClosing(InternalFrameEvent e) {
        mf.desktopPane.remove(this);
        mf.getContentPane().add(mf.jPanel1, BorderLayout.CENTER);
        mf.getContentPane().repaint();
        mf.setVisible(true);
    }
}
class YPDict_this_internalFrameAdapter extends InternalFrameAdapter {
    private YPDict adaptee;
    YPDict_this_internalFrameAdapter(YPDict adaptee) {
        this.adaptee = adaptee;
    }    public void internalFrameClosing(InternalFrameEvent e) {
        adaptee.this_internalFrameClosing(e);
    }
}