翻转dataTable primefaces

<h:head>
    <h:outputStylesheet library="primefaces" name="primefaces.css" />
    <h:outputScript library="primefaces" name="primefaces.js" />
</h:head>

<p:dataTable value="#{bean.dataList}" var="data" id="dataTable">
    <!-- 列定义 -->
    <p:column headerText="Column 1">
        <h:outputText value="#{data.property1}" />
    </p:column>
    <p:column headerText="Column 2">
        <h:outputText value="#{data.property2}" />
    </p:column>
    <!-- 其他列定义 -->
</p:dataTable>

@ManagedBean
@ViewScoped
public class Bean implements Serializable {
    private List<Data> dataList;

    @PostConstruct
    public void init() {
        // 初始化数据列表
        dataList = new ArrayList<>();
        // 添加数据
        // ...
    }

    public List<Data> getDataList() {
        return dataList;
    }
}