DWR获取客户端IP

import org.directwebremoting.WebContext;   
import org.directwebremoting.WebContextFactory;   
public class Operator {   
    public String greeting(String src){   
        WebContext context = WebContextFactory.get();   
        String ip = context.getHttpServletRequest().getRemoteAddr().toString();   
        return "hello "+src+"  Your IP : "+ip;   
    }   
}