我是,试图做一个小应用程序,现在我需要从JTextField
采取一些数据,当我按下某个按钮。问题是,当我按下按钮时,没有任何反应..我用println("yes")
和s working printing "yes' on
ActionListener`测试了它。我该怎么办 ?JText .getText()不返回任何内容?
下面是部分代码:
label = new Label("Width:");
label.setMaximumSize(new Dimension(40, 25));
this.add(label);
textField = new TextField();
textField.setPreferredSize(new Dimension(80, 25));
textField.setMaximumSize(new Dimension(80, 25));
this.add(textField);
button = new JButton("Submit");
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
System.out.println(textField.getText()); // <- here textField.getText() does not return anything.
}
});
this.add(button);