1
为什么不是面板加载。我无法确定它是否正确保存。从GUI读取二进制文件
public void saveParks(JPanel parkingPanel) throws IOException
{
//save parkingPanel JPanel that contains the two car parks
ObjectOutputStream output = new ObjectOutputStream(new FileOutputStream("saveParkPanel.dat"));
output.writeObject(parkingPanel);
System.out.println("saved");
output.close();
}
public void loadParks() throws FileNotFoundException, IOException, ClassNotFoundException
{
ObjectInputStream input = new ObjectInputStream(new FileInputStream("saveParkPanel.dat"));
JPanel parkingPanel = (JPanel)input.readObject();
System.out.println("loaded");
}
}
该类是一个JPanel构造函数,它扩展了JPanel。 – Nebula
是的,但要显示它,你必须将它添加到'RootPaneContainer'如JFrame。 – davidxxx
试过了,我得到错误的sym类型:CarPark.AddVehiclePanel.loadParks 我在哪里尝试并调用该方法。它说我需要一个JFrame参数,但是当我把loadParks(框架)当然是框架超出范围。 – Nebula