<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">

  <welcome-file-list>

    <welcome-file> 

    index.jsp    

    </welcome-file>

  </welcome-file-list>

  <servlet>

    <servlet-name>selectemp</servlet-name>

    <servlet-class>impl.servlet.SelectEmpServlet</servlet-class>

  </servlet>

  <servlet-mapping>

    <servlet-name>selectemp</servlet-name>

    <url-pattern>/selectemp.do</url-pattern>

  </servlet-mapping>

</web-app>

package impl.servlet;



import impl.EmpDaoImpl;



import java.io.IOException;

import java.util.List;



import javax.servlet.RequestDispatcher;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;



import dto.Emp;



/**

 * Servlet implementation class tests

 */

public class SelectEmpServlet extends HttpServlet {

	private static final long serialVersionUID = 1L;

       

    /**

     * @see HttpServlet#HttpServlet()

     */

    public SelectEmpServlet() {

    	System.out.println("进入servlet方法！！！");

    }

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		try{

			List<Emp> list = null;

	        EmpDaoImpl empimpl =  new EmpDaoImpl();

	        list = empimpl.getEmpList();//获取emp对象集合

	        if(list.size()>0)

	        {

	        	request.setAttribute("emplist", list);//查询对象集合放入request作用域

	        	//页面跳转

	        	RequestDispatcher dispatcher = request.getRequestDispatcher("/success.jsp"); 

	        	dispatcher