<s:a action="bastanteos/listado?consultasOR=true " namespace="/adm">


 </s:a>

<action name="bastanteos/listado" class="com.eurocajarural.bastanteos.action.BastanteosAction">
        <result name="success" type="tiles">bastanteosList</result>
        <result name="error" type="tiles">error</result>
    </action>

public class BastanteosAction extends BaseAction implements
ModelDriven<Bastanteo> {
private Boolean consultasOR;

public Boolean getConsultasOR() {
    return consultasOR;
}

public void setConsultasOR(Boolean consultasOR) {
    this.consultasOR = consultasOR;
}