我正在项目中工作,我必须使用javax.swing.JSpinner来表示货币增量值。
我遇到以下问题:当我像下面的代码一样将其构建在类构造函数中时,JSpinner不会更改,而是继续执行默认行为。即使我修改了启用属性,也没有任何反应
我如何才能使JSpinner按照我的意愿行事?
这是内置在Netbeans中的代码:
我的JSpinner不会更改或接受我对它所做的任何更改
public class TesingSpinner extends javax.swing.JFrame {
SpinnerNumberModel model;
JSpinner.NumberEditor editor;
/**
* Creates new form ProbandoSpinner
*/
public TesingSpinner() {
initComponents();
model = new SpinnerNumberModel(0.00, -1000.0, 1000.0, 0.01);
jSpinner1 = new JSpinner(model);
editor = new JSpinner.NumberEditor(jSpinner1);
jSpinner1.setEditor(editor);
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
jSpinner1.setEnabled(false);
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
jSpinner1.setEnabled(true);
}
private void initComponents() {
jSpinner1 = new javax.swing.JSpinner();
jLabel1 = new javax.swing.JLabel();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText("El Spinner");
jButton1.setText("Bloquear");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText("Desbloquear");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jSpinner1, javax.swing.GroupLayout.PREFERRED_SIZE, 170, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addComponent(jButton1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton2)))
.addContainerGap(164, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(41, 41, 41)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jSpinner1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel1))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jButton2))
.addContainerGap(42, Short.MAX_VALUE))
);
pack();
}
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new TesingSpinner().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JLabel jLabel1;
private javax.swing.JSpinner jSpinner1;
// End of variables declaration
}
initComponents()定义在哪里? –
我省略了这段代码。这是Netbeans生成的。 –
我使用InitComponents()方法编辑了文章 –