src/com/service/loginService.java

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package com.service;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpSession;

import org.directwebremoting.WebContext; 
import org.directwebremoting.WebContextFactory;


import com.dao.DB;
import com.orm.TAdmin;
import com.orm.Tyaopin;
import com.orm.Tyisheng;
import com.orm.Tshoufeiyuan;
import com.orm.Tkeshi;
public class loginService
{
	public String login(String userName,String userPw,int userType)
	{
		try
		{
			Thread.sleep(700);
		} catch (InterruptedException e)
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		String result="no";
		List keshiList=new ArrayList();
		String sql4="select  * from keshi  ";
		Object[] params4={}; 
		DB mydb4=new DB();
		try
		{
			mydb4.doPstm(sql4, params4);
			ResultSet rs4=mydb4.getRs();
			while(rs4.next())
			{
				Tkeshi keshi=new Tkeshi();
				
				keshi.setId(rs4.getInt("id"));			
				keshi.setKeshiming(rs4.getString("keshiming"));					
				keshiList.add(keshi);
		    }
			rs4.close();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	    	mydb4.closed();
		 WebContext ctx1 = WebContextFactory.get(); 
		 HttpSession session1=ctx1.getSession(); 
		 session1.setAttribute("userType", 1);
         session1.setAttribute("keshiList", keshiList);