本节介绍如何快速使用UOS .net SDK完成常见操作，如创建存储空间、上传文件、下载文件等。
创建桶
桶相当于数据的容器，可以存储若干文件。
以下代码用于新建一个桶：
var Ak = "";
var Sk = "";
var endpoint = "http://s3.test.com";
var buckName = "xxx";
AmazonS3Client serviceClient = new AmazonS3Client(Ak,Sk,
new AmazonS3Config{ ServiceURL = endpoint });
try
{
PutBucketResponse resp;
// Construct request
PutBucketRequest request = new PutBucketRequest
{
BucketName = buckName,
};
resp = serviceClient.PutBucketAsync(request).GetAwaiter().GetResult();
Console.WriteLine(resp.HttpStatusCode);
} |
上传文件
以下代码用于上传文件至UOS：
var Ak = "xxx";
var Sk = "xxx";
var endpoint = "http://s3.test.com";
AmazonS3Client serviceClient = new AmazonS3Client(Ak,Sk,
new AmazonS3Config{ ServiceURL = endpoint });
try
{
PutObjectResponse response;
PutObjectRequest putObject = new PutObjectRequest{
BucketName = "xxx",
Key = "xxx"
};
response = serviceClient.PutObjectAsync(putObject).GetAwaiter().GetResult();
Console.WriteLine(response.HttpStatusCode);
} |
下载文件
以下代码用于获取文件的文本内容：
var Ak = "xxx";
var Sk = "xxx";
var endpoint = "http://s3.test.com";
var bucketNanme = "xxx";
var objectName = "xxx";
AmazonS3Client serviceClient = new AmazonS3Client(Ak,Sk,
new AmazonS3Config{ ServiceURL = endpoint });
try
{
GetObjectResponse response;
GetObjectRequest getObject = new GetObjectRequest{
BucketName = bucketNanme,
Key = objectName
};
response = serviceClient.GetObjectAsync(getObject).GetAwaiter().GetResult();
CancellationTokenSource source = new CancellationTokenSource();
CancellationToken token = source.Token;
response.WriteResponseStreamToFileAsync(objectName, true, token);
Thread.Sleep(5000); // 等待5秒，用于上一步异步写文件
} |
列举文件
以下代码用于列举指定存储空间下的文件。
var Ak = "";
var Sk = "";
var endpoint = "http://s3-test.com";
AmazonS3Client serviceClient = new AmazonS3Client(Ak,Sk,
new AmazonS3Config{ ServiceURL = endpoint });
try
{
ListObjectsV2Response response;
ListObjectsV2Request listObjects = new ListObjectsV2Request{
BucketName = "xxx",
};
response = serviceClient.ListObjectsV2Async(listObjects).GetAwaiter().GetResult();
Console.WriteLine("Object Count is {0}", response.KeyCount);
Console.WriteLine("Object is:");
foreach (S3Object o_value in response.S3Objects)
{
Console.WriteLine(o_value.Key);
}
} |
删除文件
以下代码用于删除指定文件：
var Ak = "xxx";
var Sk = "xxx";
var endpoint = "http://s3.test.com";
AmazonS3Client serviceClient = new AmazonS3Client(Ak,Sk,
new AmazonS3Config{ ServiceURL = endpoint });
try
{
DeleteObjectResponse response;
DeleteObjectRequest deleteObject = new DeleteObjectRequest{
BucketName = "xxx",
Key = "xxx" // object name
};
response = serviceClient.DeleteObjectAsync(deleteObject).GetAwaiter().GetResult();
} |
