Enumeration enu=request.getParameterNames();

while(enu.hasMoreElements()){

　　String paraName=(String)enu.nextElement();

　　System.out.println(paraName+": "+request.getParameter(paraName));

} 

	Map map=request.getParameterMap();

			Set keSet=map.entrySet();

			for(Iterator itr=keSet.iterator();itr.hasNext();){

			Map.Entry me=(Map.Entry)itr.next();

				Object key=me.getKey();

				Object keyvalue=me.getValue();

				String[] value=new String[1];

				if(keyvalue instanceof String[]){

			       value=(String[])keyvalue;

				}else{

				   value[0]=keyvalue.toString();

				} 

				for(int k=0;k<value.length;k++){

				   System.out.println(key+"="+value[k]);

				}

			}