1: public class S247 extends HttpServlet {
2:
3: public void doGet(HttpServletRequest req, HttpServletResponse res)
4: throws ServletException, IOException {
5:
6: String ip = req.getRemoteAddr();
7: if ( ip == null || "".equals(ip) )
8: return ;
9:
10: String trustedAddr = "127.0.0.1";
11:
12: if (ip.equals(trustedAddr) ) {
13: ……
14: } else {
15: ……
16: }
17: }
18: }