JTextField 监听事件

 

autoCleanOvertimeText.addFocusListener(new FocusAdapter() {

@Override

public void focusLost(FocusEvent e) {

// 失去焦点时，可以认为输入结束

}

});

 

autoCleanOvertimeText.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

// 按下回车

}

});

 

autoCleanOvertimeText.getDocument().addDocumentListener(new DocumentListener() {

@Override

public void removeUpdate(DocumentEvent arg0) {

warn();//判断

}

 

@Override

public void insertUpdate(DocumentEvent arg0) {

warn();//判断

}

 

@Override

public void changedUpdate(DocumentEvent arg0) {

warn();//判断

}

});