jboss+ejb3.0的动态生成列表数据库没更新而页面可以操作
一下本人使用了@Remove不能调用但是@Destory可用请问各位还需要加载什么jar包了
@Scope(ScopeType.PAGE)@Name("messageManagerBean")public class MessageManagerBean {@DataModel private List<Message> messageList; @DataModelSelection @Out(required=false) private Message message;// // @PersistenceContext(unitName="tpdb")// private EntityManager entityManager; EntityManager em = Persistence.createEntityManagerFactory("tpdb").createEntityManager(); @SuppressWarnings("unchecked")@Factory("messageList") public void findMessage(){ messageList=em.createQuery("from Message o order by o.datetimeDate desc").getResultList(); } public void select(){ message.setReadbook(true); } public void delete(){ messageList.remove(message); em.remove(message); message=null; } @Delete @Destroy public void destory(){ } }<html xmlns="http://www.w3.org/1999/xhtml"xmlns:ui="http://java.sun.com/jsf/facelets"xmlns:h="http://java.sun.com/jsf/html"xmlns:f="http://java.sun.com/jsf/core"xmlns:a4j="http://richfaces.org/a4j"xmlns:rich="http://richfaces.org/rich"xmlns:s="http://jboss.com/products/seam/taglib"><head><title>Messages</title></head><body><f:view><h:form><h2>Message List</h2><h:outputText value="No messages to display" rendered="#{messageList.rowCount==0}"/><h:dataTable var="msg" value="#{messageList}" rendered="#{messageList.rowCount>0}"><h:column> <f:facet name="header"> <h:outputText value="ReadBook"/> </f:facet> <h:selectBooleanCheckbox value="#{msg.readbook}" disabled="true"/></h:column><h:column> <f:facet name="header"> <h:outputText value="Title"/> </f:facet> <h:commandLink value="#{msg.title}" action="#{messageManagerBean.select}"/></h:column><h:column> <f:facet name="header"> <h:outputText value="Date/Time"/> </f:facet> <h:outputText value="#{msg.datetimeDate}"> <f:convertDateTime type="both" dateStyle="medium" timeStyle="short"/> </h:outputText></h:column><h:column> <h:commandButton action="#{messageManagerBean.delete}" value="Delete" /></h:column></h:dataTable><h3><h:outputText value="#{message.title}"/></h3><div><h:outputText value="#{message.text}" /></div></h:form></f:view></body></html>