public List<Record> getRecordlList(String fieldName) {
        Pattern p = Pattern.compile(fieldName + "\\[\\d+\\].[a-zA-z0-9]+");
        Map<String, String[]> parasMap = getRequest().getParameterMap();
        String paraKey;
        
        Map<String, Map<String, Object>> parasMap2=new HashMap<String, Map<String,Object>>();
        for (Entry<String, String[]> e : parasMap.entrySet()) {
            paraKey = e.getKey();
            Matcher m = p.matcher(paraKey);
            if (m.find()) {
                String key = paraKey.substring(paraKey.indexOf("[")+1, paraKey.indexOf("]",paraKey.indexOf("[") ));
                if(parasMap2.containsKey(key)){
                    Map<String, Object> tmp = parasMap2.get(key);
                    if(StrKit.notBlank(e.getValue()[0])){
                        tmp.put(paraKey.split("\\.")[1], e.getValue()[0]);
                        parasMap2.replace(key, tmp);
                    }
                }else{
                    Map<String, Object> tmp=new HashMap<String, Object>();
                    if(StrKit.notBlank(e.getValue()[0])){
                        tmp.put(paraKey.split("\\.")[1], e.getValue()[0]);
                        parasMap2.put(key, tmp);
                    }
                    
                }
            }
        }
        Iterator<Entry<String, Map<String, Object>>> its = parasMap2.entrySet().iterator();
        List<Record> resultList = new ArrayList<Record>();
        while(its.hasNext()){
            resultList.add(new Record().setColumns(its.next().getValue()));
        }
        return resultList;
    }

简单粗暴写出来的~欢迎拍砖！