?? common.jsp
字號:
<%@ page import="mypack.*" %>
<%@ page import="java.util.Properties" %>
<%@ page errorPage="errorpage.jsp" %>
<%@ page import="javax.ejb.*, javax.naming.*, javax.rmi.PortableRemoteObject, java.rmi.RemoteException" %>
<%!
private BookDBEJB bookDB;
public void jspInit() {
bookDB =
(BookDBEJB)getServletContext().getAttribute("bookDB");
if (bookDB == null) {
try {
InitialContext ic = new InitialContext();
Object objRef = ic.lookup("java:comp/env/ejb/BookDBEJB");
BookDBEJBHome home = (BookDBEJBHome)PortableRemoteObject.narrow(objRef,
mypack.BookDBEJBHome.class);
bookDB = home.create();
getServletContext().setAttribute("bookDB", bookDB);
} catch (RemoteException ex) {
System.out.println("Couldn't create database bean." + ex.getMessage());
} catch (CreateException ex) {
System.out.println("Couldn't create database bean." + ex.getMessage());
} catch (NamingException ex) {
System.out.println("Unable to lookup home: "+ "java:comp/env/ejb/BookDBEJB."+ ex.getMessage());
}
}
}
public void jspDestroy() {
bookDB = null;
}
public String convert(String s){
try{
return new String(s.getBytes("ISO-8859-1"),"GB2312");
}catch(Exception e){return null;}
}
%>
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