servlet注解demo
package com.action; import java.io.IOException; import java.io.PrintWriter; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * Servlet implementation class Login */ @WebServlet(name = "login", urlPatterns = { "/login.action" }, loadOnStartup = 1) public class Login extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public Login() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse * response) */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.getWriter().append("Served at: ").append(request.getContextPath()); PrintWriter out = response.getWriter(); String username = request.getParameter("username"); Map map = request.getParameterMap(); // System.out.println(map); out.println(username); out.print(request.getSession().getId()); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse * response) */ @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doGet(request, response); } }