我需要在我的GWT/GAE (Java)应用程序中捕获客户机的IP地址。由于GAE不支持全套java.net API,所以我不能像下面这样编写代码。有没有人能提出可靠的方法来实现同样的目标?
for (final Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
final NetworkInterface intf = en.nextElement();
for (final Enumeration<Inet
<HTML>
<BODY>
<%
// This scriptlet declares and initializes "date"
System.out.println( "Evaluating date now" );
java.util.Date date = new java.util.Date();
%>
Hello! The time is now
<%
out.println( date );
out.println( "<BR>Your mac
我有一个servlet,是否可以检查请求是否来自特定的域,比如"example.com"?
public abstract class MyServlet extends HttpServlet {
public void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException
{
if (didOriginateFrom("example.com", req)) {
// ok