ComboBox FXML默认值 | FXML默认值

本文介绍了ComboBox FXML默认值的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

如何使用FXML在ComboBox中设置默认值？

 < ComboBox fx：id =cbo_Bacteriologie_Aesculine prefHeight =21.0prefWidth =105.0GridPane.columnIndex =1GridPane.rowIndex =0> 
< items> 
< FXCollections fx：factory =observableArrayList> 
< String fx：value =NVT/> 
< String fx：value =Bezig/> 
< String fx：value =Positief/> 
< String fx：value =Negatief/> 
< / FXCollections> 
< / items> 
< / ComboBox>

我想要 NVT 。我尝试添加 selected =selected等，但似乎找不到正确的语法。

是否可以使用Scene Builder编辑列出的项目？我不能找到它。

解决方案

使用：

pre>

< 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>

How can I set a default value in a ComboBox using FXML?

<ComboBox fx:id="cbo_Bacteriologie_Aesculine" prefHeight="21.0" prefWidth="105.0" GridPane.columnIndex="1" GridPane.rowIndex="0">
    <items>
        <FXCollections fx:factory="observableArrayList">
            <String fx:value="NVT" />
            <String fx:value="Bezig" />
            <String fx:value="Positief" />
            <String fx:value="Negatief" />
        </FXCollections>
    </items>
</ComboBox>

I want NVT to be selected by default. I tried adding selected="selected" and such but don't seem to find the right syntax.

Is it possible to edit the listed items using Scene Builder? I can't seem to find it.

解决方案

Use this:

<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>

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