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Alibaba Cloud OSS SDK for C#

Software License GitHub Version Build Status

README of Chinese

About

Alibaba Cloud Object Storage Service (OSS) is a cloud storage service provided by Alibaba Cloud, featuring massive capacity, security, a low cost, and high reliability.

Version

  • Current version: 2.14.0.

Run environment

Windows

  • Applicable to .NET 2.0 or above.
  • Applicable to Visual Studio 2010 or above.

Linux/Mac

  • Applicable to Mono 3.12 or above.

.Net Core

  • Applicable to .net core 2.0 or above

Install OSS C# SDK

Install in Windows

Install the SDK through NuGet

  • If NuGet hasn't been installed for Visual Studio, install NuGet first.
  • After NuGet is installed, access Visual Studio to create a project or open an existing project, and then select TOOLS > NuGet Package Manager > Manage NuGet Packages for Solution.
  • Type aliyun.oss.sdk in the search box and click Search, find Aliyun.OSS.SDK or Aliyun.OSS.SDK.NetCore in the search results, select the latest version, and click Install. After installation, the SDK is added to the project.

Install the SDK through GitHub

  • If Git hasn't been installed, install Git first.
  • Clone project via git clone https://github.com/aliyun/aliyun-oss-csharp-sdk.git.
  • After the source code is downloaded, install the SDK by entering Install via Project Introduction.

Install the SDK through DLL reference

  • Download the SDK packagefrom the Alibaba Cloud OSS official website. Unzip the package and you will find the Aliyun.OSS.dll file in the bin directory.
  • In the Visual Studio, access Solution Explorer, select your project, right click Project Name, select Add Reference from the pop-up menu. In the Reference Manager dialog box, click Browse, find the directory that the SDK is unzipped to, select the Aliyun.OSS.dll file in the bin directory, and click OK.

Install the SDK through project introduction

  • If you have downloaded the SDK package or the source code from GitHub and you want to install the SDK package using the source code, you can right click Solution Explorer and select Add > Existing Projects from the pop-up menu.
  • In the pop-up dialog box, select the aliyun-oss-sdk.csproj file, and click Open.
  • Right click Your Projects and select Add Reference. In the Reference Manager dialog box, click the Projects tab, select the aliyun-oss-sdk project, and click OK.

Install in Unix/Mac

Install the SDK through NuGet

  • In Xamarin, create a project or open an existing project, and select Tools > Add NuGet Packages.
  • Type aliyun.oss.sdk in the search box and click Search, find 'Aliyun.OSS.SDK' in the search results, select the latest version, and click Add Package. After installation, the SDK is added to the project.

Install the SDK through GitHub

  • If Git hasn't been installed, install Git first.
  • Clone project via git clone https://github.com/aliyun/aliyun-oss-csharp-sdk.git.
  • After the source code is downloaded, open it in Xamarin. Compile the aliyun-oss-sdk project in Release mode to generate the Aliyun.OSS.dll file. Then install the SDK through DLL reference.

Install the SDK through DLL reference

  • Download the SDK package from Alibaba Cloud OSS official website. Unzip the package and you will find the Aliyun.OSS.dll file in the bin directory.
  • In the Xamarin, access Solution, select your project, right click Project Name, select Reference' > Edit References from the pop-up menu. In the Edit References dialog box, click .Net Assembly > Browse. Find the directory that the SDK is unzipped to, select the Aliyun.OSS.dll file in the bin directory, and click Open.

Running with .Net core runtime

Starting with version 2.9, OSS SDK supports the .net core 2.0 platform.

Installing .Net core SDK & runtime

.Net Core SDK 2.0 (or above)

To build apps for .Net core 2.0, you need to install the .Net core 2.0 SDK. Windows:https://www.microsoft.com/net/download/windows/build

MacOS: https://www.microsoft.com/net/download/macos

Linux: https://www.microsoft.com/net/download/linux/build

.Net core runtime 2.0 (or above)

If you just want to run apps of .Net core 2.0, then you need to install the runtime: Windows:https://www.microsoft.com/net/download/windows/run

MacOS: https://www.microsoft.com/net/download/macos/run

Linux: https://www.microsoft.com/net/download/linux/run

Compile OSS SDK with .net core 2.0

  • cd to the root folder of OSS SDK.
  • dotnet restore aliyun-oss-sdk-dotnetcore.sln
  • dotnet build aliyun-oss-sdk-dotnetcore.sln

To run Samples

  • Update the samples\Config.cs to update the config properties with your actual OSS AKs and endpoint.
  • use the step above to build the whole solution
  • cd to the folder where Aliyun.OSS.Samples.dll exists and then run: dotnet Aliyun.OSS.Samples.dll

Quick use

Get the bucket list (List Bucket)

    OssClient client = new OssClient(endpoint, accessKeyId, accessKeySecret);    
	var buckets = client.ListBuckets();
	
    foreach (var bucket in buckets)
    {
    	Console.WriteLine(bucket.Name + ", " + bucket.Location + ", " + bucket.Owner);
    }

Create a bucket (Create Bucket)

	OssClient client = new OssClient(endpoint, accessKeyId, accessKeySecret);
	client.CreateBucket(bucketName);

Delete a bucket (Delete Bucket)

	OssClient client = new OssClient(endpoint, accessKeyId, accessKeySecret); 
	client.DeleteBucket(bucketName);

Upload a file (Put Object)

	OssClient client = new OssClient(endpoint, accessKeyId, accessKeySecret); 
	client.PutObject(bucketName, key, filePathToUpload);

Download an object (Get Object)

	OssClient client = new OssClient(endpoint, accessKeyId, accessKeySecret); 
	var object = ossClient.GetObject(bucketName, key);

Get the object list (List Objects)

	OssClient client = new OssClient(endpoint, accessKeyId, accessKeySecret);
	var listResult = client.ListObjects(bucketName);
	foreach (var summary in listResult.ObjectSummaries)
	{   
		Console.WriteLine(summary.Key);
	}

Delete an object (Delete Object)

	OssClient client = new OssClient(endpoint, accessKeyId, accessKeySecret);
	client.DeleteObject(bucketName, key)

Others

  • In the example above, if no exception was thrown, it indicates the execution was successful. Otherwise, it indicates the execution failed. More detailed examples can be found and run in the aliyun-oss-sample project.

Notes

  • If you want to run a sample project, you must set the aliyun-oss-sdk-sample project as the 'Startup Project' and add your own AccessKeyId, AccessKeySecret, buckets and keys, and then run the project.

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