ListContactServlet.java

package com.rlovep.contact.jspservlet;


import com.rlovep.contact.entity.Contact;
import com.rlovep.contacrt.service.ContactService;
import com.rlovep.contacrt.service.impl.ContactServiceImpl;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 * 显示所有联系人的逻辑
 * @author APPle
 *
 */
@WebServlet("/ListContactServlet")
public class ListContactServlet extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		//1.从xml中读取出联系人数据
		ContactService service = new ContactServiceImpl();
		List<Contact> list = service.findAll();
		
		//2.把结果保存到域对象中
		request.setAttribute("contacts", list);
		
		//3.跳转到jsp页面
		request.getRequestDispatcher("/listContact.jsp").forward(request, response);		
		
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doGet(request, response);
	}

}