小D课堂 - 零基础入门SpringBoot2.X到实战_第6节 SpringBoot拦截器实战和 Servlet3.0自定义Filter、Listener_25、Servlet3.0的注解原生Servlet实战

笔记

2、Servlet3.0的注解自定义原生Servlet实战
   讲解：使用 Servlet3.0的注解自定义原生Servlet和Listener
       1、自定义原生Servlet

           @WebServlet(name = "userServlet",urlPatterns = "/test/customs")
           public class UserServlet extends HttpServlet{

               @Override
           public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
           resp.getWriter().print("custom sevlet");
           resp.getWriter().flush();
           resp.getWriter().close();
           }

           @Override
           protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
           this.doGet(req, resp);
           }
           }