代码优化private static T CollectionString getSheetTitlesfinal T bean final SheetTitleDTO sheetTitle final String filedName = sheetTitlegetFiledName; 如果为不为动态标题则直接返回 if !sheetTitleisD

private static Collection getSheetTitles(final T bean, final SheetTitleDTO sheetTitle) { final String fieldName = sheetTitle.getFieldName(); // 如果为不为动态标题,则直接返回 if (!sheetTitle.isDynamicTitle()) { return Collections.singletonList(fieldName); } // 获得字段值，通过反射直接获得字段值 final Object fieldValue = BeanUtil.getFieldValue(bean, fieldName); if (fieldValue instanceof Collection) { return (Collection) fieldValue; } return Collections.singletonList((String) fieldValue); }