src/com/action/index_servlet.java

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package com.action;

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

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import com.dao.DB;
import com.orm.Tyiyuan;
import com.service.liuService;


public class index_servlet extends HttpServlet
{
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
		Tyiyuan yiyuan=new Tyiyuan();
		String sql="select * from yiyuan";
		Object[] params={};
		DB mydb=new DB();
		try
		{
			mydb.doPstm(sql, params);
			ResultSet rs=mydb.getRs();
			while(rs.next())
			{
				yiyuan.setId(rs.getInt("id"));
				yiyuan.setyyxinxi(rs.getString("yyxinxi"));
				yiyuan.setyydizhi(rs.getString("yydizhi"));
				yiyuan.setyydianhua(rs.getString("yydianhua"));
				yiyuan.setyygongjiao(rs.getString("yygongjiao"));
		    }
			rs.close();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		mydb.closed();
		req.setAttribute("yiyuan", yiyuan);       
        req.getRequestDispatcher("index.jsp").forward(req, res);
	}
	public void dispatch(String targetURI,HttpServletRequest request,HttpServletResponse response) 
	{
		RequestDispatcher dispatch = getServletContext().getRequestDispatcher(targetURI);
		try 
		{
		    dispatch.forward(request, response);
		    return;
		} 
		catch (ServletException e) 
		{