进度条
进度条用于指示上传或下载的进度。
进度条的完整代码请参见 GitHub。
下面的代码以PutObject方法为例,介绍如何使用进度条。
using System;
using System.IO;
using System.Text;
using Aliyun.OSS;
using Aliyun.OSS.Common;
namespace PutObjectProgress
{
class Program
{
static void Main(string[] args)
{
Program.PutObjectProgress();
Console.ReadKey();
}
public static void PutObjectProgress()
{
var endpoint = "<yourEndpoint>";
var accessKeyId = "<yourAccessKeyId>";
var accessKeySecret = "<yourAccessKeySecret>";
var bucketName = "<yourBucketName>";
var objectName = "<yourObjectName>";
var localFilename = "<yourLocalFilename>";
// 创建OssClient实例。
var client = new OssClient(endpoint, accessKeyId, accessKeySecret);
// 带进度条的上传。
try
{
using (var fs = File.Open(localFilename, FileMode.Open))
{
var putObjectRequest = new PutObjectRequest(bucketName, objectName, fs);
putObjectRequest.StreamTransferProgress += streamProgressCallback;
client.PutObject(putObjectRequest);
}
Console.WriteLine("Put object:{0} succeeded", objectName);
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID: {2}\tHostID: {3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
}
// 获取上传进度。
private static void streamProgressCallback(object sender, StreamTransferProgressArgs args)
{
System.Console.WriteLine("ProgressCallback - Progress: {0}%, TotalBytes:{1}, TransferredBytes:{2} ",
args.TransferredBytes * 100 / args.TotalBytes, args.TotalBytes, args.TransferredBytes);
}
}
}
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