Finds a resource with a given name. This method returns null if no resource with this name is found. The rules for searching resources associated with a given class are implemented by the * defining class loader of the class.
This method delegates the call to its class loader, after making these changes to the resource name: if the resource name starts with "/", it is unchanged; otherwise, the package name is prepended to the resource name after converting "." to "/". If this object was loaded by the bootstrap loader, the call is delegated to ClassLoader.getSystemResource.
Parameters: name - name of the desired resource
Returns: a java.net.URL object.
Since: JDK1.1
See Also: ClassLoader
如法炮制，我把原來的
private ImageIcon logoButtonIcon = new ImageIcon(path);
改成
private ImageIcon logoButtonIcon = new ImageIcon(getClass().getResource(path));
