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<td class="content"><strong> 实战留言簿(EJB,Struts应用篇)
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<td><p>作者：<a href="/common/contact.asp?type=作者&username=maxuan" target="_blank">maxuan</a> 时间： 2003-09-14 文档类型：原创 来自：<a href="http://www.blueidea.com">蓝色理想</a>
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<p class=list><img src="/img/icon/arrow_orange.gif" width="4" height="13"> 第 1 页 <a href="/tech/program/2003/737.asp">实战留言簿(EJB,Struts应用篇)[1]</a><br><img src="/img/icon/arrow_orange.gif" width="4" height="13"> 第 2 页 <a href="/tech/program/2003/737_2.asp">实战留言簿(EJB,Struts应用篇)[2]</a><br><img src="/img/icon/arrow_red.gif" width="4" height="13"> 第 3 页 实战留言簿(EJB,Struts应用篇)[3]<br><img src="/img/icon/arrow_orange.gif" width="4" height="13"> 第 4 页 <a href="/tech/program/2003/737_4.asp">实战留言簿(EJB,Struts应用篇)[4]</a><br><img src="/img/icon/arrow_orange.gif" width="4" height="13"> 第 5 页 <a href="/tech/program/2003/737_5.asp">实战留言簿(EJB,Struts应用篇)[5]</a><br><img src="/img/icon/arrow_orange.gif" width="4" height="13"> 第 6 页 <a href="/tech/program/2003/737_6.asp">实战留言簿(EJB,Struts应用篇)[6]</a><br></p>
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<FONT color=#711d1d><B>创建sessionBean</B></FONT><BR>在昨天，我们完成了实体Bean，它实际上是映射到数据库行并为行的每个列定义了getter和setter方法，今天我们来完成sessionBean。<BR><BR><STRONG>BookControl.java的源代码：<BR></STRONG><TEXTAREA class=codeTextarea style="WIDTH: 510px; HEIGHT: 163px">package guestbook.maxuan.ejb.control;import javax.ejb.*;import java.util.*;import java.rmi.*;import guestbook.maxuan.ejb.entity.value.*;public interface BookControl extends javax.ejb.EJBObject { public void savely(BookValue value) throws RemoteException; public ArrayList getLyList() throws RemoteException;}</TEXTAREA><BR>[Ctrl+A 全部选择 然后拷贝] <P><BR><STRONG>BookControlBean的源代码：<BR></STRONG><TEXTAREA class=codeTextarea>package guestbook.maxuan.ejb.control;import javax.ejb.*;import java.util.*;import guestbook.maxuan.ejb.entity.*;import guestbook.maxuan.ejb.entity.value.*;public class BookControlBean implements SessionBean { SessionContext sessionContext; public void ejbCreate() throws CreateException { /**@todo Complete this method*/ } public void ejbRemove() { /**@todo Complete this method*/ } public void ejbActivate() { /**@todo Complete this method*/ } public void ejbPassivate() { /**@todo Complete this method*/ } public void setSessionContext(SessionContext sessionContext) { this.sessionContext = sessionContext; } public void savely(BookValue value) { Book book=null; try { javax.naming.Context context = new javax.naming.InitialContext(); BookHome bookHome= (BookHome)context.lookup("Book"); if(value.getAction().equals("add")){ book=bookHome.create(value); }else{ try{⌨️ 快捷键说明
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