导包:import javax.swing.JRootPane;
JRootPane rootPane = display2.getRootPane();
// 在对话框display2中按下回车就相当于按下btnNewButton_1按钮
rootPane.setDefaultButton(btnNewButton_1);
导包:import javax.swing.JRootPane;
JRootPane rootPane = display2.getRootPane();
// 在对话框display2中按下回车就相当于按下btnNewButton_1按钮
rootPane.setDefaultButton(btnNewButton_1);