'ready' 事件
当 <fs.ReadStream> 准备好使用时触发。
'open'
后立即触发。
Emitted when the <fs.ReadStream> is ready to be used.
Fires immediately after 'open'
.
当 <fs.ReadStream> 准备好使用时触发。
'open'
后立即触发。
Emitted when the <fs.ReadStream> is ready to be used.
Fires immediately after 'open'
.