java 对象反射拿取对象名称及数据的校验-526互联

public class AttributeFs {


    /**
     * William
     * 循环实体list属性统一判断操作返回异常问题
     * @param errorList
     * @param object
     * @return
     */
    public static List getAttribute(List errorList, Object object) {
        Field[] fields = object.getClass().getDeclaredFields();
        for (Field field : fields) {
            if (ConstantCommon.FILTERTYPE.equals(field.getType().toString())) {
                String name = field.getName();
                name = name.substring(0, 1).toUpperCase() + name.substring(1);
                String propertyName = field.getAnnotation(ApiModelProperty.class).value();
                try {
                    Method m = object.getClass().getMethod("get" + name);
                    List nList = (List) m.invoke(object);
                    if (exceed(nList)) {
                        errorList.add("前端参数"+propertyName+"超过限制数{"+ConstantCommon.SIZE+"}现有数{"+nList.size()+"}");
                    }
                } catch (IllegalAccessException e) {
                    e.printStackTrace();
                } catch (InvocationTargetException e) {
                    e.printStackTrace();
                } catch (NoSuchMethodException e) {
                    e.printStackTrace();
                }
            }
        }
        return errorList;
    }

    public static boolean exceed(List<?> list) {
        return !CollectionUtils.isEmpty(list) && list.size() >= ConstantCommon.SIZE;
    }