cartdao.java

网上购物源代码

/**
 * 
 */
package com.chinaaccpDao;

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

import com.chinaaccpbean.CartBean;

/**
 * @author Administrator
 *
 */
public class CartDao {

	public CartBean GetShopCartInfo(String id)
	{
		//ArrayList list = new ArrayList();
		CartBean cart = new CartBean();
		Connection con = null;
		try {
			con = ConnectionLee.GetCon();
			Statement st = con.createStatement();
			String sql = "select name,price from product where id = '"+id+"'";
			ResultSet rs = st.executeQuery(sql);
			if(rs.next())
			{
				int index = Integer.parseInt(id);
				cart.setId(index);
				cart.setName(rs.getString(1));
				cart.setPrice(rs.getDouble(2));
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return cart;
	}
}