用netbean创建了一个app,里面就一个button和textField,然后我想为button增加的KeyPress事件,就选中,右击,通过ide环境,增加了如下代码,但是怎么安都没有我想要的效果:
private void formKeyPressed(java.awt.event.KeyEvent evt) {
// TODO add your handling code here:
if(evt.getKeyCode()==KeyEvent.VK_0) //其实我本来写VK_CONTROL的,没反应,就换了
{
jTextField1.setText("sdfsdf");
}
} 1.问题出在哪里?谢谢
2.其实我是希望一按下CTRL+ENTER就能够在jTextField里面输出文字,但是不知道怎么写,才能定义这个全局的快捷键,所以先弄个简单的,但是没想到简单的都没反应。。全部代码在这:http://oryx.5d6d.com/viewthread.php?tid=42&extra=page%3D1&frombbs=1
private void formKeyPressed(java.awt.event.KeyEvent evt) {
// TODO add your handling code here:
if(evt.getKeyCode()==KeyEvent.VK_0) //其实我本来写VK_CONTROL的,没反应,就换了
{
jTextField1.setText("sdfsdf");
}
} 1.问题出在哪里?谢谢
2.其实我是希望一按下CTRL+ENTER就能够在jTextField里面输出文字,但是不知道怎么写,才能定义这个全局的快捷键,所以先弄个简单的,但是没想到简单的都没反应。。全部代码在这:http://oryx.5d6d.com/viewthread.php?tid=42&extra=page%3D1&frombbs=1
package _try;import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;/**
*
* @author naruto
*/
public class NewJFrame extends javax.swing.JFrame { /** Creates new form NewJFrame */
public NewJFrame() {
initComponents();
监听目标.addXXXListener } /** 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() { jButton1 = new javax.swing.JButton();
jTextField1 = new javax.swing.JTextField(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
addKeyListener(new java.awt.event.KeyAdapter() {
public void keyPressed(java.awt.event.KeyEvent evt) {
formKeyPressed(evt);
}
}); jButton1.setText("jButton1"); jTextField1.setText("jTextField1"); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(96, 96, 96)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 162, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(138, 138, 138)
.addComponent(jButton1)))
.addContainerGap(142, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(89, 89, 89)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 94, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 54, Short.MAX_VALUE)
.addComponent(jButton1)
.addGap(40, 40, 40))
); pack();
}// </editor-fold> private void formKeyPressed(java.awt.event.KeyEvent evt) {
// TODO add your handling code here:
if(evt.getKeyCode()==KeyEvent.VK_0)
{
jTextField1.setText("sdfsdf");
}
} /**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new NewJFrame().setVisible(true);
}
});
} // Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JTextField jTextField1;
// End of variables declaration }
需要
setFocusable(true);
public void keyPressed(java.awt.event.KeyEvent evt) {
formKeyPressed(evt);
}
});
// 才对,你原来写的是JFrame的键盘事件!
目标.addKeyListener(this)