zoukankan      html  css  js  c++  java
  • SpringBoot整合WEB开发--(九)整合Servlet,Filter,Listener

    简介:

      如果需要整合第三方框架时,可能还是不得不使用Servlet,Filter,Listener,Springboot中也有提供支持。

    @WebServlet("/my")
    public class MyServlet extends HttpServlet {
        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp){
            doPost(req,resp);
        }
        @Override
        protected void doPost(HttpServletRequest req, HttpServletResponse resp){
            System.out.println("name>>>"+req.getParameter("name"));
        }
    }
    @WebFilter("/*")
    public class MyFilter implements Filter {
        @Override
        public void init(FilterConfig filterConfig){
            System.out.println("MyFilter>>>init");
        }
        @Override
        public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
            System.out.println("MyFilter>>>doFilter");
            chain.doFilter(request,response);
        }
    
        @Override
        public void destroy() {
            System.out.println("MyFilter>>>destroy");
        }
    }
    @WebListener
    public class MyListener implements ServletRequestListener {
        @Override
        public void requestDestroyed(ServletRequestEvent sre) {
            System.out.println("MyListener>>>requestDestroyed");
        }
        @Override
        public void requestInitialized(ServletRequestEvent sre) {
            System.out.println("MyListener>>>requestInitialized");
        }
    }

    三个组件使用@WebServlet,@WebFilter,@WebListener进行标记,启动类上添加@ServletComponentScan,实现对Servlet,Filter,以及Listener。

    http://localhost:8080/my?name=tttt

  • 相关阅读:
    oracle 例外
    Help with Intervals(集合的交并补,线段树)
    Mex(线段树的巧妙应用)
    hdu4578Transformation(线段树多个lz标记)
    Coder(线段树)
    Ice-cream Tycoon9(线段树)
    Partition(线段树的离线处理)
    ACM学习大纲(转)
    Codeforces Round #250 (Div. 1)
    记次浙大月赛 134
  • 原文地址:https://www.cnblogs.com/crazy-lc/p/12331359.html
Copyright © 2011-2022 走看看