List遍历相加

Map<String, Object> map= loanQuotaController.quotaQuery(String.valueOf(id));
Long totalQuota=0L;
Long quota=0L;
if(map.size()!=0){
   JSONArray jsonArray = JSONArray.parseArray(map.get("result").toString());
   for(int i=0;i<jsonArray.size();i++){
      JSONObject jsonArryToStr = jsonArray.getJSONObject(i);
      //总额度
      totalQuota += jsonArryToStr.getLong("totalQuota");
      //可用
      quota += jsonArryToStr.getLong("quota");
   }
   BigDecimal totalQuotaBD = new BigDecimal(totalQuota).divide(new BigDecimal(100));
   BigDecimal quotaBD = new BigDecimal(quota).divide(new BigDecimal(100));
   //已用额度
   BigDecimal useQuota = totalQuotaBD.subtract(quotaBD);
   model.put("totalQuota",totalQuotaBD);
   model.put("useQuota",useQuota);
}