JSF datatable row selection

How to s开发者_Python百科elect multiple rows in a JSF datatable?

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You can either place a checkbox on each row giving it a value of #{currentRowItem.selected} or use <rich:extendedDataTable>

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Create a Map<Integer, Boolean> selectMap in the backing bean. (If the key is not model's id and key is a string, create a Map with String, Boolean pair ..)

For every row provide a checkbox #{backingBean.selectMap[rowvar.selectedId]} You must be able to find the selected values in the map after each selection.

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you can use primefaces as follow:

<p:dataTable id="tableId" var="data" value="#{myBean.myList}" 
          selection="#{myBean.selectedDTOs}"               
          rowKey="#{data.objectId}">
        <p:column selectionMode="multiple" />
</p:dataTable>