!(https://oscimg.oschina.net/oscnet/97ade2196461419f1c94951e9cbee0f2614.jpg)importjavafx.application.Applicationimportjavafx.geometry.Posimporttornadofx.

1.在xml文件设立布局文件<Spinner    android:layout\_width"wrap\_content"    android:layout\_height"wrap\_content"    android:layout\_below"@id/b1"    andro