用这个：
<ComboBox> <items> <FXCollections fx:factory="observableArrayList"> <String fx:value="NVT" /> <String fx:value="Bezig" /> <String fx:value="Positief" /> <String fx:value="Negatief" /> </FXCollections> </items> <value> <String fx:value="NVT" /> </value></ComboBox>
