什么是node-red-node-aws，A Node-RED node to watch, save and retreive files from an Amazon S3 bucket
A Node-RED node to watch, send and receive files from an Amazon S3 bucket.
Run the following command in the root directory of your Node-RED install
npm install node-red-node-aws
Amazon S3 watch node
Watches for file events on an Amazon S3 bucket. By default all file events are reported, but the filename pattern can be supplied to limit the events to files which have full filenames that match the glob pattern. The event messages consist of the full filename in
msg.payload property, the filename in
msg.file, the event type in
Amazon S3 input node
Downloads content from an Amazon S3 bucket. The bucket name can be specified in the node bucket property or in the
msg.bucket property. The name of the file to download is taken from the node filename property or the
msg.filename property. The downloaded content is sent as
msg.payload property. If the download fails
msg.error will contain an error object.
Amazon S3 out node.
Uploads content to an Amazon S3 bucket. The bucket name can be specified in the node bucket property or in the
msg.bucket property. The filename on Amazon S3 is taken from the node filename property or the
msg.filename property. The content is taken from either the node localFilename property, the
msg.localFilename property or the