S3 SDK常用对象操作 获取对象列表 import{S3Client,Bucket,paginateListObjectsV2,}from"@aws-sdk/client-s3";asyncfunctionlistObjects(bucket:string){constclient=newS3Client({});try{constobjects=[];constpaginator=paginateListObjectsV2({client,pageSize:2},{Bucket:bucket});forawait(constpageofpaginator){if...
要列出一个存储桶中的所有对象,请调用AmazonS3Client.ListObjectsAsync方法,如以下示例代码中所示: // ResultText is a label used for displaying status information ResultText.text = "Fetching all the Objects from " + S3BucketName; var request = new ListObjectsRequest() { BucketName = S3BucketName }...
分页时该响应对象中包含了NextContinuationToken和IsTruncated属性,如果IsTruncated=true,则NextContinuationToken必定有值,此时下次调用ListObjectsV2Async时的请求参数传入NextContinuationToken即可实现分页获取S3文件列表的功能。 这个过程说起来有点绕,但感谢C#提供了yield关键字来实现协程-coroutine,代码写起来非常简单: IEnume...
首先,通过AWSSDK的ListObjectsV2Async方法,获取的是文件列表,可以通过.SelectMany方法将多个下载批次“打平”: Load201909SuperCoolData(s3).SelectMany(x=>x) 然后通过Select,将单个文件Key下载并读为字符串: Load201909SuperCoolData(s3).SelectMany(x=>x).SelectMany(x=>ReadS3Object(s3,x)) 然后再通过Select,将...
var s3Client = new AmazonS3Client(); var response = await s3Client.ListObjectsAsync(new ListObjectsRequest { BucketName = bucketName }); response.S3Objects.ForEach(s3Object => { Console.WriteLine(s3Object.Key); }); uiWrapper.DisplayTitle("AWS Glue jobs"); var jobNames = await...
return RunAsync(bucketName, prefix); } private static async Task<int> RunAsync(string bucketName, string prefix) { using var s3Client = new AmazonS3Client(); var listObjectsRequest = new ListObjectsRequest { BucketName = bucketName, Prefix = prefix, }; var listObjectsResponse = await s3Client...
S3Client client = S3AsyncClient.builder() .endpointOverride(new URI.create("https://bucket-name.oss-cn-hangzhou.aliyuncs.com")) .build(); ListObjectsV2Request req = ListObjectsV2Request.builder() .bucket("bucket-name") .prefix("test1") .build(); client.listObjectsV2(req).get(); 运行到 ...
'use strict';varAWS=require('aws-sdk');vars3=newAWS.S3();varsrcBucket="bkctFrom";vardestBucket="bkctTo";module.exports.hello=asyncevent=>{varparams={Bucket:srcBucket};awaits3.listObjects(params,function(err,data){if(err){console.log(err,err.stack);}else{varcont=data['Contents'];vark...
import*asAWSfrom"@aws-sdk/client-s3";constclient=newAWS.S3({region:"REGION"});// async/await.try{constdata=awaitclient.listBuckets(params);// process data.}catch(error){// error handling.}// Promises.client.listBuckets(params).then((data)=>{// process data.}).catch((error)=>{// er...
aws s3 ls s3://mybucket An error occurred (InvalidBucketName) when calling the ListObjectsV2 operation: The specified bucket is not valid. dynamodb 权限:AWS-安全凭证-角色-DynamoDBTable-权限策略 aws服务器操作文档:Step 1: Create a table aws cli操作文档:Using the AWS CLI 入门文档:Amazon Dynam...