Servlet3.0的注解自定义原生Servlet实战

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
　　　　自定义原生Servlet

 package net.xdclass.demo.servlet;

 import java.io.IOException;

 import javax.servlet.ServletException;
 import javax.servlet.annotation.WebServlet;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;

 @WebServlet(name = "userServlet",urlPatterns = "/v1/api/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);
     }

 }

浏览器输入：http://localhost:8083/v1/api/test/customs

结果：

注意：启动类中要加入@ServletComponentScan注解