newsdao.java

jsp+servlet实现的标准MVC系统 jsp-servlet-service-DAO-DBMS

/*
 * Created on 2005-11-10
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.mycompany.news.dao;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.List;

import com.mycompany.news.dto.News;

/**
 * @author Administrator
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public interface NewsDAO {
	public void addNews(News News)throws Exception;//添加News信息
	public void updateNews(News News)throws Exception;//修改News信息
	public void deleteNews(News News)throws Exception;//删除News信息
	public List listAllNews()throws Exception;//列出所有的News信息
	public List listNews(News NewsCondition,int curPage,int perpage)throws Exception;//组合条件查询
	public News getByID(long id)throws Exception;//根据主键获取对象
	public void setConnection(Connection conn);
	public Connection getConnection();
	public void recommendNews(long news)throws Exception;
	public void cancelRecommend(long news)throws Exception;
	public List getRecommendedNews(long channelid, int max, int max2) throws Exception;
	public int getRecommendedNewsCount(long channelid) throws Exception;
	public Long getCurrentID() throws SQLException;
	public void updateVisitCount(long newsid) throws Exception;
}