src/com/service/loginService.java

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package com.service;

import java.sql.ResultSet;
import java.sql.SQLException;

import javax.servlet.http.HttpSession;

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

import com.dao.DB;
import com.orm.TAdmin;
import com.orm.TZhigong;

public class loginService
{
	
	public String login(String userName,String userPw,int userType)
	{
		String result="no";
		if(userType==0)//系统管理员登陆
		{
			String sql="select * from t_admin where userName=? and userPw=?";
			Object[] params={userName,userPw};
			DB mydb=new DB();
			mydb.doPstm(sql, params);
			try 
			{
				ResultSet rs=mydb.getRs();
				boolean mark=(rs==null||!rs.next()?false:true);
				if(mark==false)
				{
					result="no";
				}
				else
				{
					result="yes";
					TAdmin admin=new TAdmin();
					admin.setUserId(rs.getInt("userId"));
					admin.setUserName(rs.getString("userName"));
					admin.setUserPw(rs.getString("userPw"));
					WebContext ctx = WebContextFactory.get(); 
					HttpSession session=ctx.getSession(); 
					session.setAttribute("userType", 0);
					session.setAttribute("admin", admin);
				}
				rs.close();
			} 
			catch (SQLException e)
			{
				System.out.println("登录失败！");
				e.printStackTrace();
			}
			finally
			{
				mydb.closed();
			}
		}
		if(userType==1)//职工登录
		{