Enumeration a = request.getParameterNames();
while (a.hasMoreElements()) {
String buf = a.nextElement().toString();
System.out.println(buf + ":" + request.getParameter(buf));
}
System.out.println(" ");
原文：http://www.cnblogs.com/samwang88/p/6c496d175c2ac7e8d69656f31388a355.html