Servlet（サーブレット）リファレンス：javax.servlet.http.HttpServletRequest#getLocalPort()public class SampleServlet extends HttpServlet { public void doGet( HttpServletRequest request, HttpServletResponse response ) throws ServletException,IOException { response.setContentType("text/html;charset=Windows-31J"); PrintWriter out = response.getWriter(); out.println("<html><body>"); out.println("IP=" + request.getRemoteAddr()); out.println("</body></html>"); } }
