Java 如何在NetBeans中的Jframes之间传递值？

我做了两个JFrame。 “one.java”表示将值发送到“two.java”。当我单击“one.java”上的“Send to two”按钮时，它会获取“one”文本字段值，然后发送到“two.java”并正确设置。这个过程很好

它也在以另一种方式工作。我的意思是，首先运行“two.java”并单击“Send to one”，然后在“one.java”上设置值，您可以在netbeans上看到它

但是在我的例子中，java是主要的two.java是子级。因此，我想在打开two.java时，按发送到two按钮，将文本字段值从two.java发送回one.java按发送到one

希望你明白我的意思。我不善于解释。当主Jframe打开子Jframe时，我想将文本字段值从子Jframe传递到主Jframe。此时，两个jframe正在运行。用户可以看到两个jframe

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希望你收到了。请解决我的问题。如果你能完成，帮我完成。现在我有三天的时间来做这件事。但最后我还是给你写信

在这里我张贴我的代码

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package testing;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

/**
 *
 * @author Code
 */
public class one extends javax.swing.JFrame implements PropertyChangeListener{

    /**
     * Creates new form one
     */
    public one() {
        initComponents();
    }

    one(two aThis) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }
@Override
    public void propertyChange(PropertyChangeEvent evt) {
        if (evt.getPropertyName().equals("jButton1ActionPerformed")){
            System.out.println("button in frame1 was pressed");
            this.two.setText((String)evt.getNewValue());
        }
        if (evt.getPropertyName().equals("jTextField1KeyReleased")){
            System.out.println("user typed in frame1 jTextField");
            this.two.setText((String)evt.getNewValue());
        }
    }
    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        one = new javax.swing.JTextField();
        two = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        one.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyReleased(java.awt.event.KeyEvent evt) {
                oneKeyReleased(evt);
            }
        });

        jButton1.setText("Send to two");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jLabel1.setText("from two : ");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(51, 51, 51)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jLabel1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(two, javax.swing.GroupLayout.PREFERRED_SIZE, 151, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(one, javax.swing.GroupLayout.PREFERRED_SIZE, 151, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(31, 31, 31)
                        .addComponent(jButton1)))
                .addContainerGap(74, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(159, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(one, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton1))
                .addGap(76, 76, 76)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(two, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel1))
                .addGap(21, 21, 21))
        );

        pack();
    }// </editor-fold>                        

    private void oneKeyReleased(java.awt.event.KeyEvent evt) {                                
        // TODO add your handling code here:
        firePropertyChange("jTextField1KeyReleased", "", one.getText());
    }                               

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        two two2 = new two();
        this.addPropertyChangeListener((PropertyChangeListener) two2);
        two2.setVisible(true);
        firePropertyChange("jButton1ActionPerformed", "",  one.getText());
    }                                        

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(one.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(one.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(one.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(one.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new one().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JButton jButton1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JTextField one;
    private javax.swing.JTextField two;
    // End of variables declaration                   
}

/*
*要更改此许可证标题，请在“项目属性”中选择“许可证标题”。
*要更改此模板文件，请选择工具|模板
*然后在编辑器中打开模板。
*/
包装测试；
导入java.beans.PropertyChangeEvent；
导入java.beans.PropertyChangeListener；
/**
*
*@作者代码
*/
公共类1扩展了javax.swing.JFrame，实现了PropertyChangeListener{
/**
*创建新的表单1
*/
公共一号{
初始化组件（）；
}
一（二）{
抛出新的UnsupportedOperationException（“尚未受支持”）；//若要更改生成的方法体，请选择“工具”“模板”。
}
@凌驾
公共作废属性更改（属性更改事件evt）{
if（evt.getPropertyName（）.equals（“JButton1AActionPerformed”））{
System.out.println（“框架1中的按钮被按下”）；
this.two.setText（（String）evt.getNewValue（））；
}
if（evt.getPropertyName（）.equals（“jTextField1KeyReleased”））{
System.out.println（“用户输入frame1 jTextField”）；
this.two.setText（（String）evt.getNewValue（））；
}
}
/**
*从构造函数中调用此方法来初始化表单。
*警告：不要修改此代码。此方法的内容始终为
*由表单编辑器重新生成。
*/
@抑制警告（“未选中”）
//                           
私有组件（）{
one=newjavax.swing.JTextField（）；
two=newjavax.swing.JTextField（）；
jButton1=newjavax.swing.JButton（）；
jLabel1=newjavax.swing.JLabel（）；
setDefaultCloseOperation（javax.swing.WindowConstants.EXIT_ON_CLOSE）；
addKeyListener（新的java.awt.event.KeyAdapter（）{
public void keyReleased（java.awt.event.KeyEvent evt）{
oneKeyReleased（evt）；
}
});
jButton1.setText（“发送到两个”）；
jButton1.addActionListener（新java.awt.event.ActionListener（）{
public void actionPerformed（java.awt.event.ActionEvent evt）{
jButton1ActionPerformed（evt）；
}
});
jLabel1.setText（“从两个：”）；
javax.swing.GroupLayout=newjavax.swing.GroupLayout（getContentPane（））；
getContentPane（）.setLayout（布局）；
layout.setHorizontalGroup(
createParallelGroup（javax.swing.GroupLayout.Alignment.LEADING）
.addGroup（layout.createSequentialGroup（）
.addGap（51,51,51）
.addGroup（layout.createParallelGroup（javax.swing.GroupLayout.Alignment.training，false）
.addGroup（layout.createSequentialGroup（）
.addComponent（jLabel1）
.addPreferredGap（javax.swing.LayoutStyle.ComponentPlacement.RELATED，javax.swing.GroupLayout.DEFAULT\u SIZE，Short.MAX\u值）
.addComponent（两个，javax.swing.GroupLayout.PREFERRED_SIZE，151，javax.swing.GroupLayout.PREFERRED_SIZE））
.addGroup（layout.createSequentialGroup（）
.addComponent（一个，javax.swing.GroupLayout.PREFERRED\u SIZE，151，javax.swing.GroupLayout.PREFERRED\u SIZE）
.addGap（31,31,31）
.addComponent（jButton1）））
.addContainerGap（74，简称最大值））
);
layout.setVerticalGroup(
createParallelGroup（javax.swing.GroupLayout.Alignment.LEADING）
.addGroup（javax.swing.GroupLayout.Alignment.TRAILING，layout.createSequentialGroup（）
.addContainerGap（159，简称最大值）
.addGroup（layout.createParallelGroup（javax.swing.GroupLayout.Alignment.BASELINE）
.addComponent（一个，javax.swing.GroupLayout.PREFERRED\u SIZE，javax.swing.GroupLayout.DEFAULT\u SIZE，javax.swing.GroupLayout.PREFERRED\u SIZE）
.addComponent（jButton1））
.addGap（76,76,76）
.addGroup（layout.createParallelGroup（javax.swing.GroupLayout.Alignment.BASELINE）
.addComponent（两个，javax.swing.GroupLayout.PREFERRED\u SIZE，javax.swing.GroupLayout.DEFAULT\u SIZE，javax.swing.GroupLayout.PREFERRED\u SIZE）
.addComponent（jLabel1））
.addGap（21,21,21））
);
包装（）；
}//                         
private void oneKeyReleased（java.awt.event.KeyEvent evt）{
//TODO在此处添加您的处理代码：
firePropertyChange（“jTextField1KeyReleased”，“one.getText（））；
}                               
私有void jButton1ActionPerformed（java.awt.event.ActionEvent evt）{
//TODO在此处添加您的处理代码：
two two 2=新的two（）；
这是addPro
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package testing;
import java.awt.Frame;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
/**
 *
 * @author Code
 */
public class two extends javax.swing.JFrame implements PropertyChangeListener{

    /**
     * Creates new form two
     */
    public two() {
        initComponents();
    }
 @Override
    public void propertyChange(PropertyChangeEvent evt) {
        if (evt.getPropertyName().equals("jButton1ActionPerformed")){
            System.out.println("button in frame1 was pressed");
            this.one.setText((String)evt.getNewValue());
        }
        if (evt.getPropertyName().equals("jTextField1KeyReleased")){
            System.out.println("user typed in frame1 jTextField");
            this.one.setText((String)evt.getNewValue());
        }
    }
    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        one = new javax.swing.JTextField();
        two = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        two.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyReleased(java.awt.event.KeyEvent evt) {
                twoKeyReleased(evt);
            }
        });

        jButton1.setText("Send to one");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jLabel1.setText("From one  : ");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(51, 51, 51)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jLabel1)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(one, javax.swing.GroupLayout.PREFERRED_SIZE, 151, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(two, javax.swing.GroupLayout.PREFERRED_SIZE, 151, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addComponent(jButton1)))
                .addContainerGap(88, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(160, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(one, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel1))
                .addGap(85, 85, 85)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(two, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton1))
                .addContainerGap())
        );

        pack();
    }// </editor-fold>                        

    private void twoKeyReleased(java.awt.event.KeyEvent evt) {                                
        // TODO add your handling code here:
        firePropertyChange("jTextField1KeyReleased", "", two.getText());
    }                               

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:

        one one1 = new one();
        this.addPropertyChangeListener((PropertyChangeListener) one1);
        one1.setVisible(true);
        firePropertyChange("jButton1ActionPerformed", "",  two.getText());
    }                                        

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(two.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(two.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(two.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(two.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new two().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JButton jButton1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JTextField one;
    private javax.swing.JTextField two;
    // End of variables declaration                   
}