get parameter of request

Enumeration<String> paramEnum =	request.getParameterNames();
while(paramEnum.hasMoreElements())
{
	String paramName = paramEnum.nextElement();
	String paramValue = request.getParameter(paramName);
	System.out.println(paramName + "=" + paramValue);
}
response.setContentType("text/html; charset=GBK");
PrintWriter pw = response.getWriter();
pw.write("submit success");
pw.close();