相关疑难解决方法(0)

我想通过值而不是索引在JComboBox中设置所选索引.怎么做？例

public class ComboItem {

    private String value;
    private String label;

    public ComboItem(String value, String label) {
        this.value = value;
        this.label = label;
    }

    public String getValue() {
        return this.value;
    }

    public String getLabel() {
        return this.label;
    }

    @Override
    public String toString() {
        return label;
    }
}

JComboBox test = new JComboBox();
test.addItem(new ComboItem(0, "orange"));
test.addItem(new ComboItem(1, "pear"));
test.addItem(new ComboItem(2, "apple"));
test.addItem(new ComboItem(3, "banana"));
test.setSelectedItem("banana");

好的,我已经修改了一下我的问题.我忘记了我的JComboBox里面有一个自定义项目,这让它变得有点困难.我不能做setSelectedItem,因为我在每个项目中都有一个ComboItem.那么,我怎么做到这一点？