searchdao.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.Display;

public class SearchDao {

	public ArrayList GetSortSearchInfo(String search)
	{
		String id = null;
		System.out.println(search);
		ArrayList list = new ArrayList();
		Connection con = null;
		try {
			con = ConnectionLee.GetCon();
			Statement st = con.createStatement();
			String sql = "select id from Category where name='"+search+"'";
			ResultSet rs = st.executeQuery(sql);
			if(rs.next())
			{
				id = rs.getString(1);
			}
			//st.close();
			//con.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
		try {
			Statement st = con.createStatement();
			String sql = "select id,name,descinfo,price,picture,picture_big from product where categoryid="+id+"";
			ResultSet rs = st.executeQuery(sql);
			while(rs.next())
			{
				Display dis = new Display();
				dis.setId(rs.getInt(1));
				dis.setName(rs.getString(2));
				dis.setDiscinfo(rs.getString(3));
				dis.setPrice(rs.getDouble(4));
				dis.setImgpath(rs.getString(5));
				dis.setBigimgpath(rs.getString(6));
				list.add(dis);
			}
			st.close();
			con.close();
			
		} catch (Exception e) {
			e.printStackTrace();
		}
		return list;
	}
	public ArrayList GetNameInfo(String name)
	{
		ArrayList list = new ArrayList();
		System.out.println(name);
		Connection con = null;
		try {
			con = ConnectionLee.GetCon();
			Statement st = con.createStatement();
			String sql = "select id,name,descinfo,price,picture,picture_big from product where name like '%"+name+"%'";
			ResultSet rs = st.executeQuery(sql);
			while(rs.next())
			{
				Display dis = new Display();
				dis.setId(rs.getInt(1));
				dis.setName(rs.getString(2));
				dis.setDiscinfo(rs.getString(3));
				dis.setPrice(rs.getDouble(4));
				dis.setImgpath(rs.getString(5));
				dis.setBigimgpath(rs.getString(6));
				list.add(dis);
			}
			st.close();
			con.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return list;
	}
}