83 lines
2.8 KiB
C#
83 lines
2.8 KiB
C#
using Aliyun.OSS;
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using Aliyun.OSS.Common;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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namespace New_College.Common
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{
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public class AliYunOssHelper
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{
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// private readonly static AliYunOssConfig ossConfig = GlobalData.AliYunOss;
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/// <summary>
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/// OSS下载
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/// </summary>
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/// <param name="downloadFilepath"></param>
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/// <param name="filepath"></param>
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/// <returns></returns>
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public static string DownloadFile(string key, string filepath)
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{
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// 创建OssClient实例。
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var client = new OssClient(AliYunOssConfig.endpoint, AliYunOssConfig.accessKeyId, AliYunOssConfig.accessKeySecret);
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try
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{
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// 下载文件到流。OssObject 包含了文件的各种信息，如文件所在的存储空间、文件名、元信息以及一个输入流。
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var obj = client.GetObject(AliYunOssConfig.bucket, filepath);
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using (var requestStream = obj.Content)
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{
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byte[] buf = new byte[1024];
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var fs = File.Open(key, FileMode.OpenOrCreate);
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var len = 0;
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// 通过输入流将文件的内容读取到文件或者内存中。
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while ((len = requestStream.Read(buf, 0, 1024)) != 0)
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{
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fs.Write(buf, 0, len);
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}
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fs.Close();
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}
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Console.WriteLine("Get object succeeded");
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}
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catch (Exception ex)
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{
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Console.WriteLine("Get object failed. {0}", ex.Message);
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}
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return "";
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}
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public static string UploadFile(string key, string filepath)
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{
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try
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{
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var conf = new ClientConfiguration();
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//conf.ConnectionLimit = 512;
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conf.MaxErrorRetry = 3;
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conf.ConnectionTimeout = 10000*30;
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conf.EnalbeMD5Check = true;
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var client = new OssClient(AliYunOssConfig.endpoint, AliYunOssConfig.accessKeyId, AliYunOssConfig.accessKeySecret, conf);
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try
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{
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// 上传文件。
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var cc = client.PutObject(AliYunOssConfig.bucket, key, filepath);
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var newurl = string.Format("{0}/{1}", AliYunOssConfig.wendpoint, key);
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return newurl;
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}
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catch (ClientException ex)
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{
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Console.WriteLine("Put object failed, {0}", ex.Message);
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}
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}
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catch (Exception ex)
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{
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throw ex;
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}
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return "";
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}
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}
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}
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