¥Event: 'abort'
新增于: v1.4.1弃用于: v17.0.0, v16.12.0
稳定性: 0 - 已弃用。而是监听
'close' 事件。
¥Stability: 0 - Deprecated. Listen for the 'close' event instead.
当请求被客户端中止时触发。此事件仅在第一次调用 abort() 时触发。
¥Emitted when the request has been aborted by the client. This event is only
emitted on the first call to abort().