src/com/service/liuService.java

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package com.service;

import java.io.IOException;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.dao.DB;
import com.orm.Tshangpin;
import com.orm.Tdingdan;
import com.orm.Tmingxi;
import com.orm.Tdizhi;
import com.orm.Tleibie;
public class liuService
{
	public static String panduan_zhanghao(String kehuzhanghao)
	{
		    String i="";
		    
		    String sql="select * from maijia where maijiaName=?";
			Object[] params={kehuzhanghao};
			DB mydb=new DB();
			try
			{
				mydb.doPstm(sql, params);
				ResultSet rs=mydb.getRs();
				i=(rs==null||!rs.next()?"fou":"shi");
				
				rs.close();
			}
			catch(Exception e)
			{
				e.printStackTrace();
			}
			mydb.closed();
		
		return i;
	}
	public static List shangpinList()
	{
		List shangpinList=new ArrayList();
		String sql="select * from shangpin";
		Object[] params={};
		DB mydb=new DB();
		try
		{
			mydb.doPstm(sql, params);
			ResultSet rs=mydb.getRs();
			while(rs.next())
			{
				Tshangpin shangpin=new Tshangpin();
				shangpin.setshangpinID(rs.getInt("shangpinID"));
				shangpin.setshangpinmingcheng(rs.getString("shangpinmingcheng"));
				shangpin.setshangpinzhongliang(rs.getString("shangpinzhongliang"));
				shangpin.setshangpinjiage(rs.getDouble("shangpinjiage"));