List<Map> maps1 =[{"bigtypes":100,"num":400},{"bigtypes":200,"num":300},{"bigtypes":400,"num":500},{"bigtypes":600,"num":500}]List<Map> maps2 =[{"bigtypes":400,"num":720},{"bigtypes":500,"num":320},{"bigtypes":200,"num":120}]List<Map> maps3 =[{"bigtypes":700,"num":120},{"bigtypes":500,"num":320},{"bigtypes":100,"num":510}]

            List<TDiet> tDiets = dietApiService.getDietsByDate(userId, startDate, endDate);            List<Map<String, String>> list = new ArrayList();            List<Map<String, String>> newList = new ArrayList();            int talls=0;            if(tDiets.size()>0){                int a=0;                for(TDiet td:tDiets){                    talls+=Integer.parseInt(td.getFoodIntakeMeasure());//摄入总量                    a++;                    String foodIntakeType =td.getFoodIntakeType();                    org.json.JSONArray jsonArray = new org.json.JSONArray(foodIntakeType);                    int iSize = jsonArray.length();                    for (int i = 0; i < iSize; i++) {                        org.json.JSONObject jsonObj = jsonArray.getJSONObject(i);                        String bigtypes = jsonObj.get("bigtypes").toString();                        String num = jsonObj.get("num").toString();                        Map<String, String> maMap = new HashMap<String, String>();                        maMap.put("bigtypes", bigtypes);                        maMap.put("num", num);                                                if(a>1){//多组数据                            newList=list;                            Map<String,String> newMap =new HashMap<String, String>();                            int b=0;                            for (int j = 0; j < list.size(); j++) {                                newMap= list.get(j);                                if(bigtypes.equals(newMap.get("bigtypes").toString())){//key值相等的：value相加                                    b++;                                    newList.remove(j);                                    Map<String, String> maMap2 = new HashMap<String, String>();                                    maMap2.put("bigtypes", bigtypes);                                    int xx= Integer.parseInt(newMap.get("num"))+Integer.parseInt(num);                                    maMap2.put("num",xx+"" );                                    newList.add(maMap2);                                    break;                                }                            }                            if(b==0){//key值与list<map>的map无共同key的：list新增                                newList.add(maMap);                                }                            list= newList;                        }else{//只有一组数据                            list.add(maMap);                        }                    }                }                //取百分比                newList=new ArrayList();                for (int c = 0; c < list.size(); c++) {                    Map<String,String> newMap2 =new HashMap<String, String>();                    Map<String,String> oldmap=new HashMap<String, String>();                    oldmap = list.get(c);                    newMap2.put("bigtypes", oldmap.get("bigtypes"));                    int aa= Integer.parseInt(oldmap.get("num"));                    newMap2.put("num",towNumDivide(aa,talls)+"%");                    newList.add(newMap2);                }                list=newList;            }