HttpServletRequest getXXX 获取协议 服务器名称端口号 项目名称 servlet路径

protected void doGet(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

 

        String schema = request.getScheme();

        String serverName = request.getServerName();

        // 端口号返回的是int类型

        int serverPort = request.getServerPort();

        String contentPath = request.getContextPath();

        String servletPath = request.getServletPath();

 

        System.out.println("协议:" + schema);

        System.out.println("服务器名称:" + serverName);

        System.out.println("服务器端口号:" + serverPort);

        System.out.println("项目名称:" + contentPath);

        System.out.println("servlet路径:" + servletPath);

 

    }