📄 java研究组织 - 精品文章 - 使用jboss和postgresql-----快速开发ejb和j2ee web application.htm
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class=classLink><U>String</U></FONT></A></B> getCountry(<B><A
href="http://www.javaresearch.org/source/jdk142/java/lang/String.java.html"
target=_blank><FONT
class=classLink><U>String</U></FONT></A></B> id) <B><FONT
color=#0000ff>throws</FONT></B> java.rmi.<B><A
href="http://www.javaresearch.org/source/jdk142/java/rmi/RemoteException.java.html"
target=_blank><FONT
class=classLink><U>RemoteException</U></FONT></A></B>;
<LI>
<LI>}
</LI></OL></DIV><BR><BR>/*<BR>**<BR>**FirstSessionHome.java <BR>**<BR>*/<BR>
<DIV class=codeStyle>
<OL>
<LI><B><FONT
color=#0000ff>package</FONT></B> Dev.First;
<LI>
<LI><B><FONT
color=#0000ff>import</FONT></B> java.lang.*;
<LI><B><FONT
color=#0000ff>import</FONT></B> java.rmi.<B><A
href="http://www.javaresearch.org/source/jdk142/java/rmi/RemoteException.java.html"
target=_blank><FONT
class=classLink><U>RemoteException</U></FONT></A></B>;
<LI><B><FONT
color=#0000ff>import</FONT></B> javax.ejb.<A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/CreateException.java.html"
target=_blank><FONT
class=classLink><U>CreateException</U></FONT></A>;
<LI><B><FONT
color=#0000ff>import</FONT></B> javax.ejb.<A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/EJBException.java.html"
target=_blank><FONT
class=classLink><U>EJBException</U></FONT></A>;
<LI><B><FONT
color=#0000ff>import</FONT></B> javax.ejb.<A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/SessionBean.java.html"
target=_blank><FONT
class=classLink><U>SessionBean</U></FONT></A>;
<LI><B><FONT
color=#0000ff>import</FONT></B> javax.ejb.<A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/SessionContext.java.html"
target=_blank><FONT
class=classLink><U>SessionContext</U></FONT></A>;
<LI>
<LI>
<LI><B><FONT
color=#0000ff>public</FONT></B> <B><FONT
color=#0000ff>interface</FONT></B> FirstSessionHome <B><FONT
color=#0000ff>extends</FONT></B> javax.ejb.<A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/EJBHome.java.html"
target=_blank><FONT
class=classLink><U>EJBHome</U></FONT></A>{
<LI>
<LI><B><FONT
color=#0000ff>public</FONT></B> FirstSession create() <B><FONT
color=#0000ff>throws</FONT></B> javax.ejb.<A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/CreateException.java.html"
target=_blank><FONT
class=classLink><U>CreateException</U></FONT></A>, java.rmi.<B><A
href="http://www.javaresearch.org/source/jdk142/java/rmi/RemoteException.java.html"
target=_blank><FONT
class=classLink><U>RemoteException</U></FONT></A></B>;
<LI>
<LI>}
</LI></OL></DIV><BR><BR>/*<BR>**<BR>**FirstSessionBean.java <BR>**<BR>*/<BR>
<DIV class=codeStyle>
<OL>
<LI><B><FONT
color=#0000ff>package</FONT></B> Dev.First;
<LI>
<LI><B><FONT
color=#0000ff>import</FONT></B> java.rmi.<B><A
href="http://www.javaresearch.org/source/jdk142/java/rmi/RemoteException.java.html"
target=_blank><FONT
class=classLink><U>RemoteException</U></FONT></A></B>;
<LI><B><FONT
color=#0000ff>import</FONT></B> javax.ejb.<A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/CreateException.java.html"
target=_blank><FONT
class=classLink><U>CreateException</U></FONT></A>;
<LI><B><FONT
color=#0000ff>import</FONT></B> javax.ejb.<A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/EJBException.java.html"
target=_blank><FONT
class=classLink><U>EJBException</U></FONT></A>;
<LI><B><FONT
color=#0000ff>import</FONT></B> javax.ejb.<A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/SessionBean.java.html"
target=_blank><FONT
class=classLink><U>SessionBean</U></FONT></A>;
<LI><B><FONT
color=#0000ff>import</FONT></B> javax.ejb.<A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/SessionContext.java.html"
target=_blank><FONT
class=classLink><U>SessionContext</U></FONT></A>;
<LI>
<LI>
<LI><B><FONT
color=#0000ff>public</FONT></B> <B><FONT
color=#0000ff>class</FONT></B> FirstSessionBean <B><FONT
color=#0000ff>implements</FONT></B> <A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/SessionBean.java.html"
target=_blank><FONT
class=classLink><U>SessionBean</U></FONT></A>{
<LI>
<LI><B><FONT
color=#0000ff>public</FONT></B> <B><FONT
color=#0000ff>void</FONT></B> ejbCreate() <B><FONT
color=#0000ff>throws</FONT></B> <A
href="http://www.javaresearch.org/source/j2ee1.3.1/javax/ejb/CreateException.java.html"
target=_blank><FONT
class=classLink><U>CreateException</U></FONT></A> {
<LI>
<LI>}
<LI>
<LI><B><FONT
color=#0000ff>public</FONT></B> <B><A
href="http://www.javaresearch.org/source/jdk142/java/lang/String.java.html"
target=_blank><FONT
class=classLink><U>String</U></FONT></A></B> Welcome(){
<LI> <B><A
href="http://www.javaresearch.org/source/jdk142/java/lang/String.java.html"
target=_blank><FONT
class=classLink><U>String</U></FONT></A></B> msg=<FONT
color=#ff33ff>"Hello! This My Session Bean From Jboss."</FONT>;
<LI> <B><A
href="http://www.javaresearch.org/source/jdk142/java/lang/System.java.html"
target=_blank><FONT
class=classLink><U>System</U></FONT></A></B>.out.println(msg);
<LI> <B><FONT
color=#0000ff>return</FONT></B> msg;
<LI>}
<LI>
<LI><B><FONT
color=#0000ff>public</FONT></B> <B><A
href="http://www.javaresearch.org/source/jdk142/java/lang/String.java.html"
target=_blank><FONT
class=classLink><U>String</U></FONT></A></B> getName(<B><A
href="http://www.javaresearch.org/source/jdk142/java/lang/String.java.html"
target=_blank><FONT
class=classLink><U>String</U></FONT></A></B> id){
<LI> <B><A
href="http://www.javaresearch.org/source/jdk142/java/lang/String.java.html"
target=_blank><FONT
class=classLink><U>String</U></FONT></A></B> name = <FONT
color=#ff33ff>""</FONT>;
<LI> <B><A
href="http://www.javaresearch.org/source/jdk142/java/lang/System.java.html"
target=_blank><FONT
class=classLink><U>System</U></FONT></A></B>.out.println(<FONT
color=#ff33ff>"From bean before getName :"</FONT>+ name);
<LI> <B><FONT
color=#0000ff>try</FONT></B>{
<LI> Dev.Dao.MysqlDao dao = <B><FONT
color=#0000ff>new</FONT></B> Dev.Dao.MysqlDao();
<LI> name = dao.getName(id);
<LI> <B><A
href="http://www.javaresearch.org/source/jdk142/java/lang/System.java.html"
target=_blank><FONT
class=classLink><U>System</U></FONT></A></B>.out.println(<FONT
color=#ff33ff>"From bean after getName :"</FONT>+ name);
<LI> }<B><FONT
color=#0000ff>catch</FONT></B>(<B><A
href="http://www.javaresearch.org/source/jdk142/java/lang/Exception.java.html"
target=_blank><FONT
class=classLink><U>Exception</U></FONT></A></B> e){ <B><A
href="http://www.javaresearch.org/source/jdk142/⌨️ 快捷键说明
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