HttpServletRequest getXXX 獲取協議 服務器名稱端口號 項目名稱 servlet路徑

protected void doGet(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

 

        String schema = request.getScheme();

        String serverName = request.getServerName();

        // 端口號返回的是int類型

        int serverPort = request.getServerPort();

        String contentPath = request.getContextPath();

        String servletPath = request.getServletPath();

 

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

        System.out.println("服務器名稱:" + serverName);

        System.out.println("服務器端口號:" + serverPort);

        System.out.println("項目名稱:" + contentPath);

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

 

    }