goodsdao.java

JSP的网上商城的代码。只是小部分。希望大家能够多看看。一起学习。

package com.eshop.dao;

import java.sql.SQLException;
import java.util.Vector;
import com.eshop.dto.Goods;

/*返回值Vector中的元素为一个类对象 */

public interface GoodsDao {
	public int insert(Goods g) throws SQLException;
	public int update(Goods g) throws SQLException;
	public int delete(int id) throws SQLException;
	public Vector selectAll() throws SQLException;            //输出所有
	public Vector FindByBrand(String brand) throws SQLException;   //按品牌查找
	public Vector FindByType(String type) throws SQLException;    //按型号查找
	public Vector FindByPrice(double from,double to) throws SQLException;//按价格查找
	public Goods FindById(int id) throws SQLException;       //按编号查询

}