topicsservice.java

一个很好的BBS论坛项目

package com.ibm.service;

import java.sql.Connection;
import java.util.ArrayList;

import com.ibm.dao.TopicsDAO;
import com.ibm.dto.TopicDTO;



public class TopicsService {
	private static TopicsService tser;
	
	private TopicsService()
	{
		
	}
	public static TopicsService getInstance()
	{
		if(tser == null)
		{
			tser = new TopicsService();
		}
		return tser;
	}
	
	public void insertTopic(Connection conn,TopicDTO tdto)
	{
		TopicsDAO.getInstance().insertTopic(conn,tdto);
	}
	
	public ArrayList queryAllTopic(Connection conn)
	{
		return TopicsDAO.getInstance().queryAllTopic(conn);
	}
	
	public ArrayList queryByid(Connection conn,int boardid)
	{
		return TopicsDAO.getInstance().queryByid(conn,boardid);
	}
	
	public ArrayList queryByname(Connection conn,String boardname)
	{
		return TopicsDAO.getInstance().queryByname(conn,boardname);
	}
}