Action获取前台提交条件

Map<String,String> returnMap = new java.util.HashMap<String,String>();
java.util.Enumeration<String> names = request.getParameterNames();
while(names.hasMoreElements()){
String key = names.nextElement();
String value = request.getParameter(key);
if(value == null || value.trim().equals("")){
continue;
}
returnMap.put(key, (key.equals("starttime"))||(key.equals("endtime"))?value+"-01 00:00:00":value);
}