若依框架数据导入功能

@Autowired
protected Validator validator;

@Override
public String importData(List list, boolean updateSupport) {
//TODO：修改T为实际数据对象
if (CollectionUtils.isEmpty(list)){
throw new ServiceException("导入数据不能为空！");
}

int successNum = 0;
int failureNum = 0;
StringBuilder successMsg = new StringBuilder();
StringBuilder failureMsg = new StringBuilder();
for (GatewayData data : list) {
    try {
        //检查要添加的数据是否已经在库中存在
        GatewayData mac = gatewayDataMapper.selectGatewayDataByMac(data.getMac());
        if (Objects.isNull(mac)){
            BeanValidators.validateWithException(validator,data);
            data.setCreateBy(operName);
            gatewayDataMapper.insertGatewayData(data);
            successNum++;
            successMsg.append("<br/>" + successNum + "、mac: " + data.getMac() + " 导入成功");
        }else if (updateSupport){
            BeanValidators.validateWithException(validator,data);
            data.setCreateBy(operName);
            gatewayDataMapper.updateGatewayData(data);
            successNum++;
            successMsg.append("<br/>" + successNum + "、mac: " + data.getMac() + " 更新成功");
        }else {
            failureNum++;
            failureMsg.append("<br/>" + successNum + "、mac: " + data.getMac() + " 已存在");
        }
    } catch (Exception e) {
        failureNum++;
        String msg = "<br/>" + failureNum + "、账号 " + data.getMac() + " 导入失败：";
        failureMsg.append(msg + e.getMessage());
        logger.error(msg,e);
    }
}

if (failureNum > 0 ){
    failureMsg.insert(0,"很抱歉，导入失败，共 "+failureNum+" 条数据格式不正确，错误如下：");
    throw new ServiceException(failureMsg.toString());
}else {
    successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据如下：");
}
//TODO：此处可在导入完成后，做相应处理
return successMsg.toString();

}