返回结果

Map<String,Object> getTotal(String roomNumber）
map.put("waterReceivable",waterReceivable);
map.put("electricReceivable",electricReceivable);
结果
map{electricReceivable=82.62, waterReceivable=130.5}
map{electricReceivable=82.62, rent=100.0, waterReceivable=130.5}

public List<HashMap<String, Object>> getNameAndPrice(Long properietorId) {
    List<HashMap<String, Object>> list = new ArrayList<HashMap<String,Object>>();
    QueryWrapper query = new QueryWrapper();
    query.eq("proprietor_id",properietorId);
    List<ChargeItemEntity> listChargeItem = chargeItemService.list(query);
    for (ChargeItemEntity chargeItemEntity : listChargeItem) {
        HashMap<String, Object> map = new HashMap<String, Object>();
        String itemName = chargeItemEntity.getName();
        Double itemPrice = chargeItemEntity.getPrice();
        map.put("itemName",itemName);
        map.put("itemPrice",itemPrice);
        list.add(map);
    }
    return list;
}

mapList[{itemName=网费, itemPrice=100.0}, {itemName=楼道费, itemPrice=100.0}, {itemName=灯油火蜡, itemPrice=100.0}]