Java EWS - 如何获取附件类型[重复]

Question

我正在开发 EWS java api，我想知道附件是否属于类型

• 物品附件
• 文件附件

类似的东西

 if (attachment is ItemAttachment) // how to in Java api?
 if (attachment is FileAttachment) // how to in Java api?

Answer 1

你可以使用instanceof:

if (attachment instanceof ItemAttachment) {
...
}