[JSP] request.getParameterNames(); 예제

<%
String url = "thisPageName.jsp?";
Enumeration e = request.getParameterNames();
while(e.hasMoreElements())
{
String name = (String)e.nextElement();
if(request.getParameter(name)!=null)
{
url += name + "=" + request.getParameter(name) + "&";
}
else
{
url += name + "=" + "" + "&";
}
}
%>