Amazon AWS SDK Guide de l'utilisateur télécharger pdf (Page 113)

namespace s3.amazon.com.docsamples.retrieveobject

{

class S3Sample

{

static string bucketName = "bucket-name";

static string keyName = "folder/file-name.txt";

static IAmazonS3 client;

public static void Main(string[] args) {

string responseBody = "";

try {

using (client = new AmazonS3Client()) {

Console.WriteLine("Retrieving (GET) an object");

GetObjectRequest request = new GetObjectRequest() {

BucketName = bucketName,

Key = keyName

};

using (GetObjectResponse response = client.GetObject(request))

using (Stream responseStream = response.ResponseStream)

using (StreamReader reader = new StreamReader(responseStream))

responseBody = reader.ReadToEnd();

}

using (FileStream s = new FileStream( "s3Object.txt", FileMode.Create

))

using (StreamWriter writer = new StreamWriter(s)) {

writer.WriteLine( responseBody );

}

catch (AmazonS3Exception s3Exception) {

Console.WriteLine(s3Exception.Message, s3Exception.InnerException);

}

} // main

} // class

} // namespace

To test the sample code

1. Open Visual Studio and create an AWS Console project.

2. Replace the code in the Program.cs file with the sample code.

3. Replace bucket-name with the name of your Amazon S3 bucket and folder/file-name.txt

with the name of a text file in the bucket.

4. Compile and run the sample program. If the program succeeds, it displays the following output and

creates a file named s3Object.txt on your local drive that contains the text it retrieved from the

text file in Amazon S3.

Retrieving (GET) an object

Version v2.0.0

109

AWS SDK for .NET Developer Guide

Tutorial: Using an IAM Role

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Amazon AWS SDK Guide de l'utilisateur Page 113

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