Java 连接botton前端和后端的侦听器（addActionListener

更新：我认为问题可能是我没有添加：addActionListener（这个）但原因是它被拖放了。如果我做了GUI声明，一切都会井然有序，但是，如果我甚至不能修改代码，因为它是由Netbeans在使用SWING时放置在那里的，我不知道如何修复它。我如何修复它

======下面是SWING生成的完整代码，其中不包括添加操作侦听器 问题：我在哪里可以在下面添加它 在PROPERTIES-CODE上，我应该将其添加到哪里？有很多选项可以选择pre-CODE、post-CODE等

• 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。 */

软件包图形用户界面

导入javax.swing.UIManager

/** * *@作者Natalochka */ 公共类Completo扩展了javax.swing.JFrame{

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

/**
 * 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() {

    jLabel1 = new javax.swing.JLabel();
    jToolBar1 = new javax.swing.JToolBar();
    button_open = new javax.swing.JButton();
    jButton2 = new javax.swing.JButton();
    jButton1 = new javax.swing.JButton();
    jTabbedPane1 = new javax.swing.JTabbedPane();
    jPanel1 = new javax.swing.JPanel();
    jScrollPane1 = new javax.swing.JScrollPane();
    textAreaTab1 = new javax.swing.JTextArea();
    boton_findfile = new javax.swing.JButton();
    jButton5 = new javax.swing.JButton();
    jPanel4 = new javax.swing.JPanel();
    jTextField1 = new javax.swing.JTextField();
    jScrollPane2 = new javax.swing.JScrollPane();
    jTextArea2 = new javax.swing.JTextArea();
    jTextField2 = new javax.swing.JTextField();
    jTextField3 = new javax.swing.JTextField();
    jPanel2 = new javax.swing.JPanel();
    jPanel3 = new javax.swing.JPanel();
    jMenuBar1 = new javax.swing.JMenuBar();
    jMenu1 = new javax.swing.JMenu();
    jMenu2 = new javax.swing.JMenu();

    jLabel1.setText("jLabel1");

    setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
    setForeground(java.awt.Color.lightGray);

    jToolBar1.setBorder(javax.swing.BorderFactory.createEtchedBorder(java.awt.Color.lightGray, null));
    jToolBar1.setFloatable(false);
    jToolBar1.setRollover(true);

    button_open.setText("jButton3");
    button_open.setFocusable(false);
    button_open.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
    button_open.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
    jToolBar1.add(button_open);

    jButton2.setText("jButton2");
    jButton2.setFocusable(false);
    jButton2.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
    jButton2.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
    jToolBar1.add(jButton2);

    jButton1.setText("jButton1");
    jButton1.setFocusable(false);
    jButton1.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
    jButton1.setName("jButton1"); // NOI18N
    jButton1.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
    jToolBar1.add(jButton1);

    textAreaTab1.setColumns(20);
    textAreaTab1.setRows(5);
    jScrollPane1.setViewportView(textAreaTab1);

    boton_findfile.setIcon(new javax.swing.ImageIcon("C:\\Users\\Natalochka\\Documents\\NetBeansProjects\\SobreFiles\\faticons\\folder_explore.png")); // NOI18N
    boton_findfile.setToolTipText("");
    boton_findfile.setName("boton_findfile"); // NOI18N

    jButton5.setIcon(new javax.swing.ImageIcon("C:\\Users\\Natalochka\\Documents\\NetBeansProjects\\SobreFiles\\faticons\\book_picture.png")); // NOI18N
    jButton5.setToolTipText("");

    jPanel4.setBorder(javax.swing.BorderFactory.createTitledBorder("Text Tools"));

    jTextField1.setText("jTextField1");

    jTextArea2.setColumns(20);
    jTextArea2.setRows(5);
    jScrollPane2.setViewportView(jTextArea2);

    jTextField2.setText("jTextField2");

    jTextField3.setText("jTextField3");

    javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);
    jPanel4.setLayout(jPanel4Layout);
    jPanel4Layout.setHorizontalGroup(
        jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(jPanel4Layout.createSequentialGroup()
            .addContainerGap()
            .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel4Layout.createSequentialGroup()
                    .addGap(62, 62, 62)
                    .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGap(45, 45, 45))
                .addComponent(jScrollPane2, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addContainerGap())
    );
    jPanel4Layout.setVerticalGroup(
        jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(jPanel4Layout.createSequentialGroup()
            .addContainerGap()
            .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addGap(60, 60, 60)
            .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addGap(46, 46, 46)
            .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addGap(70, 70, 70)
            .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addContainerGap())
    );

    javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
    jPanel1.setLayout(jPanel1Layout);
    jPanel1Layout.setHorizontalGroup(
        jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(jPanel1Layout.createSequentialGroup()
            .addGap(349, 349, 349)
            .addComponent(boton_findfile)
            .addGap(18, 18, 18)
            .addComponent(jButton5)
            .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        .addGroup(jPanel1Layout.createSequentialGroup()
            .addGap(40, 40, 40)
            .addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 43, Short.MAX_VALUE)
            .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 593, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addGap(70, 70, 70))
    );
    jPanel1Layout.setVerticalGroup(
        jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(jPanel1Layout.createSequentialGroup()
            .addGap(69, 69, 69)
            .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 383, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
            .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                .addComponent(boton_findfile)
                .addComponent(jButton5))
            .addContainerGap(43, Short.MAX_VALUE))
    );

    jPanel1Layout.linkSize(javax.swing.SwingConstants.VERTICAL, new java.awt.Component[] {jPanel4, jScrollPane1});

    boton_findfile.getAccessibleContext().setAccessibleName("boton_findfile");

    jTabbedPane1.addTab("tab1", jPanel1);

    javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
    jPanel2.setLayout(jPanel2Layout);
    jPanel2Layout.setHorizontalGroup(
        jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGap(0, 944, Short.MAX_VALUE)
    );
    jPanel2Layout.setVerticalGroup(
        jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGap(0, 547, Short.MAX_VALUE)
    );

    jTabbedPane1.addTab("tab2", jPanel2);

    javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
    jPanel3.setLayout(jPanel3Layout);
    jPanel3Layout.setHorizontalGroup(
        jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGap(0, 944, Short.MAX_VALUE)
    );
    jPanel3Layout.setVerticalGroup(
        jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGap(0, 547, Short.MAX_VALUE)
    );

    jTabbedPane1.addTab("tab3", jPanel3);

    jMenu1.setText("File");
    jMenuBar1.add(jMenu1);

    jMenu2.setText("Edit");
    jMenuBar1.add(jMenu2);

    setJMenuBar(jMenuBar1);

    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(351, 351, 351)
            .addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 949, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        .addComponent(jToolBar1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
    );
    layout.setVerticalGroup(
        layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addGroup(layout.createSequentialGroup()
            .addComponent(jToolBar1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addGap(41, 41, 41)
            .addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 575, javax.swing.GroupLayout.PREFERRED_SIZE)
            .addContainerGap(76, Short.MAX_VALUE))
    );

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

/**
 * @param args the command line arguments
 */


// Variables declaration - do not modify                     
public javax.swing.JButton boton_findfile;
private javax.swing.JButton button_open;
public javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton5;
private javax.swing.JLabel jLabel1;
private javax.swing.JMenu jMenu1;
private javax.swing.JMenu jMenu2;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JPanel jPanel3;
private javax.swing.JPanel jPanel4;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JScrollPane jScrollPane2;
private javax.swing.JTabbedPane jTabbedPane1;
private javax.swing.JTextArea jTextArea2;
private javax.swing.JTextField jTextField1;
private javax.swing.JTextField jTextField2;
private javax.swing.JTextField jTextField3;
private javax.swing.JToolBar jToolBar1;
public javax.swing.JTextArea textAreaTab1;
// End of variables declaration                   

/**
*创建新表单Completo
*/
公共事务委员会（）{
初始化组件（）；
}
/**
*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（）{
jLabel1=newjavax.swing.JLabel（）；
jToolBar1=newjavax.swing.JToolBar（）；
button_open=newjavax.swing.JButton（）；
jButton2=newjavax.swing.JButton（）；
jButton1=newjavax.swing.JButton（）；
jTabbedPane1=newjavax.swing.JTabbedPane（）；
jPanel1=newjavax.swing.JPanel（）；
jScrollPane1=newjavax.swing.JScrollPane（）；
textAreaTab1=newjavax.swing.JTextArea（）；
boton_findfile=newjavax.swing.JButton（）；
jButton5=newjavax.swing.JButton（）；
jPanel4=newjavax.swing.JPanel（）；
jTextField1=newjavax.swing.JTextField（）；
jScrollPane2=newjavax.swing.JScrollPane（）；
jTextArea2=newjavax.swing.JTextArea（）；
jTextField2=newjavax.swing.JTextField（）；
jTextField3=newjavax.swing.JTextField（）；
jPanel2=newjavax.swing.JPanel（）；
jPanel3=newjavax.swing.JPanel（）；
jMenuBar1=newjavax.swing.JMenuBar（）；
jMenu1=newjavax.swing.JMenu（）；
jMenu2=newjavax.swing.JMenu（）；
jLabel1.setText（“jLabel1”）；
setDefaultCloseOperation（javax.swing.WindowConstants.EXIT_ON_CLOSE）；
set前台（java.awt.Color.lightGray）；
setBorder（javax.swing.BorderFactory.createEtchedBorder（java.awt.Color.lightGray，null））；
jToolBar1.setFloatable（false）；
jToolBar1.setRollover（真）；
按钮_open.setText（“jButton3”）；
按钮打开。设置聚焦（假）；
按钮打开。设置水平文本位置（javax.swing.SwingConstants.CENTER）；
按钮打开。设置垂直文本位置（javax.swing.SwingConstants.BOTTOM）；
jToolBar1.添加（按钮打开）；
setText（“jButton2”）；
jButton2.setFocusable（false）；
jButton2.setHorizontalTextPosition（javax.swing.SwingConstants.CENTER）；
jButton2.setVerticalTextPosition（javax.swing.SwingConstants.BOTTOM）；
jToolBar1.add（jButton2）；
setText（“jButton1”）；
jButton1.setFocusable（false）；
jButton1.setHorizontalTextPosition（javax.swing.SwingConstants.CENTER）；
jButton1.setName（“jButton1”）；//NOI18N
jButton1.setVerticalTextPosition（javax.swing.SwingConstants.BOTTOM）；
jToolBar1.add（jButton1）；
textAreaTab1.setColumns（20）；
textAreaTab1.设置行（5）；
jScrollPane1.setViewportView（textAreaTab1）；
boton_findfile.setIcon（新的javax.swing.ImageIcon（“C:\\Users\\Natalochka\\Documents\\NetBeansProjects\\SobreFiles\\faticons\\folder_explore.png”）；//NOI18N
boton_findfile.setToolTipText（“”）；
boton_findfile.setName（“boton_findfile”）；//NOI18N
jButton5.setIcon（新的javax.swing.ImageIcon（“C:\\Users\\Natalochka\\Documents\\NetBeansProjects\\SobreFiles\\faticons\\book\u picture.png”）；//NOI18N
jButton5.setToolTipText（“”）；
setboorder（javax.swing.BorderFactory.createTitledBorder（“文本工具”））；
jTextField1.setText（“jTextField1”）；
jTextArea2.设置列（20）；
jTextArea2.设置行（5）；
jScrollPane2.setViewportView（jTextArea2）；
setText（“jTextField2”）；
setText（“jTextField3”）；
javax.swing.GroupLayout jPanel4Layout=新的javax.swing.GroupLayout（jPanel4）；
setLayout（jPanel4Layout）；
jPanel4Layout.setHorizontalGroup(
jPanel4Layout.createParallelGroup（javax.swing.GroupLayout.Alignment.LEADING）
.addGroup（jPanel4Layout.createSequentialGroup（）
.addContainerGap（）
.addGroup（jPanel4Layout.createParallelGroup（javax.swing.GroupLayout.Alignment.LEADING）
.addGroup（jPanel4Layout.createSequentialGroup（）
.addGap（62,62,62）
.addGroup（jPanel4Layout.createParallelGroup（javax.swing.GroupLayout.Alignment.LEADING）
.addComponent（jTextField2，javax.swing.GroupLayout.PREFERRED\u SIZE，javax.swing.GroupLayout.DEFAULT\u SIZE，javax.swing.GroupLayout.PREFERRED\u SIZE）
.addComponent（jTextField1，javax.swing.GroupLayout.PREFERRED\u SIZE，javax.swing.GroupLayout.DEFAULT\u SIZE，javax.swing.GroupLayout.PREFERRED\u SIZE）
.addComponent（jTextField3，javax.swing.GroupLayout.PREFERRED_SIZE，javax.swing.GroupLayout.DEFAULT_SIZE，javax.swing.GroupLayout.PREFERRED_SIZE））
.addGap（45,45,45））
.addComponent（jScrollPane2、javax.swing.GroupLayout.Alignment.TRAILING、javax.swing.GroupLayout.PREFERRED\u SIZE、javax.swing.GroupLayout.DEFAULT\u SIZE、javax.swing.GroupLayout.PREFERRED\u SIZE））
.addContainerGap（））
);
jPanel4Layout.setVerticalGroup(
jPanel4Layout.createParallelGroup（javax.swing.GroupLayout.Alignment.LEADING）
.addGroup（jPanel4Layout.createSequentialGroup（）
.addContain
public Completo() {
    initComponents();
    this.button_open.addActionListener(new ActionListener() {
        ...
    });
}