List遍歷相加

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);
 //總額度
 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));
 //已用額度
 BigDecimal useQuota = totalQuotaBD.subtract(quotaBD);
 model.put("totalQuota",totalQuotaBD);
 model.put("useQuota",useQuota);
}