我有串這樣的名單是:Java列表存儲列表中的元素,並在JSF頁面的數據表顯示它們
List<String> lista = Arrays.asList("Water","Pomegranate","Fish","Potato","Milk","Grape","steaks","parsley");//The list is big of that
此列表重複此類別中各4次 我想每個元素下獲取其類別列,因爲這在JSF頁面:
Drinks Fruits Meat Vegetables
Water. Pomegranate. Fish. Potato
Milk. Grape. steaks. parsley
ِِِِ... the others ...
創建實體類:
public class Entity
{
private String drink;
private String fruit;
private String meat;
private String vegetable;
// getter and setter
}
如何做到這一點?
我想顯示元件0,4,8,12
..在在第四列等的第三列和元素3,7,11,15
第二列和元素2,6,10,14
第一列和元素1,5,9,13
每個元素必須是根據其類別
<p:layout fullPage="true">
<h:form>
<p:dataTable var="data" value="#{bean.list}">
<p:column headerText="Drinks" >
#{data.drink}
</p:column>
<p:column headerText="Fruits" >
#{data.fruit}
</p:column>
<p:column headerText="Meats" >
#{data.meat}
</p:column>
<p:column headerText="Vegis" >
#{data.vegetable}
</p:column>
</p:dataTable>
</h:form>
</p:layout>
做什麼?你在問什麼? –
將列表中的每個元素提取到其類別 – Wasfy
**問題**是? – Kukeltje