2. 新建一个XMLContactDAO.java文件:
public class XMLContactDAO implements ContactDAO {
public static final String
CONTACTXMLNAME = "c:\\Contact.xml";
public XMLContactDAO(DaoManager manager) {
super(manager);
}
public int insertContact(Contact contact) {
HashMap contactMap = loadChanges();
if (contactMap.get(new Integer
(contact.getContactId())) == null)
contactMap.put(new
Integer(contact.getContactId()), contact);
saveChanges(contactMap);
return contact.getContactId();
}
public Contact selectContact(int contactId) {
上一篇:
Weblogic Server9新特性:J2EE Libraries
下一篇:
J2EE核心:iBatis DAO入门与进阶一