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