MERN和Amazon-s3用于文件上传
如何使用node将文件发布到AmazonS3,并作出反应并将其保存到mongoDB的路径。与猫鼬和可怕的MERN和Amazon-s3用于文件上传,amazon-s3,mongoose,mern,formidable,Amazon S3,Mongoose,Mern,Formidable,如何使用node将文件发布到AmazonS3,并作出反应并将其保存到mongoDB的路径。与猫鼬和可怕的 private async storeFile(file: { buffer: Buffer, fileId: string }): Promise<string> { try { const awsConfig = new AWS.Config(storageConfig); const s3 = new AWS.S3(awsConfig);
private async storeFile(file: { buffer: Buffer, fileId: string }): Promise<string> {
try {
const awsConfig = new AWS.Config(storageConfig);
const s3 = new AWS.S3(awsConfig);
let storageLink = undefined;
fs.readFile(file.buffer, (err, data) => {
if (err) {
throw err;
}
const params = {
Bucket:storageConfig.s3Bucket,
Key: `${storageConfig.s3Prefix}${file.fileId}`,
Body: data,
};
s3.upload(params, (s3Err: Error, s3Data: AWS.S3.ManagedUpload.SendData) => {
if (s3Err) {
throw s3Err;
}
storageLink = s3Data.Location;
});
});
return storageLink;
} catch (error) {
throw error;
}
}
const storageLink = this.storeFile({ buffer, fileId });
const file = await file.updateOne({ _id: fileId }, {
status: fileStatus.UPLOADED, // just a flag
fileId: storageLink,
});