watcher.close()
停止监视给定 <fs.FSWatcher> 上的更改。 一旦停止，<fs.FSWatcher> 对象就不再可用。
Stop watching for changes on the given <fs.FSWatcher>. Once stopped, the <fs.FSWatcher> object is no longer usable.
停止监视给定 <fs.FSWatcher> 上的更改。 一旦停止，<fs.FSWatcher> 对象就不再可用。
Stop watching for changes on the given <fs.FSWatcher>. Once stopped, the <fs.FSWatcher> object is no longer usable.