当我按下红色关闭按钮时，我不希望窗口在 JavaFX 上关闭。

有什么建议吗？

最佳答案

来自Javadocs for Window.setOnCloseRequest() :

Called when there is an external request to close this Window. The installed event handler can prevent window closing by consuming the received event.

所以你只需要

stage.setOnCloseRequest(Event::consume);

或者，如果您还打算执行其他操作:

stage.setOnCloseRequest(event -> {
    // do some stuff...
    event.consume();
});

https://stackoverflow.com/questions/49076579/