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在數據表上,我啓用了多選擇複選框。 並且在actionlistener上有提交按鈕,我將重複的記錄作爲選定的項目。Primefaces數據表多選模式 - 延遲加載獲取
例如,在第一頁上它是5條記錄,總記錄數是10條,那麼第一頁記錄會被複制兩次,併產生10條記錄,這應該被限制爲5條記錄。
以下是代碼片段:
<p:dataTable id="sampleDataTable" var="_task" value="#{myBean.lazyModelTasks}"
styleClass="dataTable" paginator="true" paginatorTemplate="{PageLinks}"
paginatorPosition="bottom" rows="5" widgetVar="dataTab"
paginatorAlwaysVisible="true" rowIndexVar="rowIndex"
lazy="true" selection="#{myBean.selectedItems}"
emptyMessage="No Search Results found !">
<p:column selectionMode="multiple" style="width:15px;">
<f:facet name="header">
<h:outputText value="Sno" />
</f:facet>
</p:column>
</p:dataTable>
<p:commandButton id="submit" value="Select" update="#{rerenderid}"
actionListener="#{myBean.addSelectedItems}" oncomplete="#{onlinkclick}">
<f:attribute name="selectedItems" value="#{myBean.selectedItems}"/>
</p:commandButton>
Managed Bean的代碼:
public void addExternalRecipients(ActionEvent event) {
//THIS GIVES ME 10 RECORDS, THOUGH THERE ARE ONLY 5 RECORDS AT THAT INSTANCE
this.selectedItems = (Address[])
event.getComponent().getAttributes().get("selectedItems");
}