datamodel.java

jsp实现的论坛 使用jsp+servlet+mysql 开发环境是myeclipes

package database;


import java.util.Vector;

import entity.Back;
import entity.Message;
import entity.Notice;
import entity.User;

public class DataModel {
DataBaseOP data;	
public DataModel(){
	data=new DataBaseOP();
}
public void addBack(Back back){
	data.addBack(back);
}
public void addMessage(Message message){
	data.addMessage(message);
}
public void deleteBack(int backNo){
	data.deleteBack(backNo);
}
public void deleteMessage(int messageNo){
	data.deleteMessage(messageNo);
}
public Vector getMessageBack(int messageNo){
	return data.getMessageBack(messageNo);
}
public Vector getBackToMessage(int messageNo){
	return data.getBackToMessage(messageNo);
}
public Vector getGroupList(){
	return data.getGroupList();
	
}
public Vector getBack(int backno){
	return data.getBack(backno);
}
public Vector getMessageList(int groupNo){
	return data.getMessageList(groupNo);
}
public User login(User user){
return	data.getUser(user.getId(), user.getPassword());
	
}
public boolean register(User user){
	if(data.getUser(user.getId())==null)
		
	{data.addUser(user);	return true;
	}
	else return false;
}
public void updateUser(User user){
	data.updateUser(user);
}
public void updateBack(int backNo,Back back){
	data.updateBack(backNo, back);
}
public void updateMessage(int messageNo,Message message){
	data.updateMessage(messageNo, message);
}
public void addNotice(Notice notice){
	data.addNotice(notice);
}
public Vector getNotice(){
	return data.getNotice();
	
}
}