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 javax.servlet.http.HttpSession;

import com.dao.DB;


public class liuService
{
	public static String panduan_banzhuren(String gonghao)
	{
		String s="meizhan";
		
		String sql="select * from t_banzhuren where gonghao=?";
		Object[] params={gonghao.trim()};
		DB mydb=new DB();
		try
		{
			mydb.doPstm(sql, params);
			ResultSet rs=mydb.getRs();
			while(rs.next())
			{
				s="yizhan";
		    }
			rs.close();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		mydb.closed();
		
		return s;
	}
	
	public static String panduan_xuesheng(String xuehao)
	{
		String s="meizhan";
		
		String sql="select * from t_xuesheng where xuehao=?";
		Object[] params={xuehao};
		DB mydb=new DB();
		try
		{
			mydb.doPstm(sql, params);
			ResultSet rs=mydb.getRs();
			while(rs.next())
			{
				s="yizhan";
		    }
			rs.close();