'error' 事件
如果在写入或管道数据时发生错误,则会触发 'error'
事件。
监听器回调在调用时传入单个 Error
参数。
除非在创建流时将 autoDestroy
选项设置为 false
,否则当触发 'error'
事件时将关闭流。
在 'error'
之后,不应触发除 'close'
之外的其他事件(包括 'error'
事件)。
The 'error'
event is emitted if an error occurred while writing or piping
data. The listener callback is passed a single Error
argument when called.
The stream is closed when the 'error'
event is emitted unless the
autoDestroy
option was set to false
when creating the
stream.
After 'error'
, no further events other than 'close'
should be emitted
(including 'error'
events).