CopyObject.cs

using COSXML.Common;
using COSXML.CosException;
using COSXML.Model;
using COSXML.Model.Object;
using COSXML.Model.Tag;
using COSXML.Model.Bucket;
using COSXML.Model.Service;
using COSXML.Utils;
using COSXML.Auth;
using COSXML.Transfer;
using System;
using COSXML;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace COSSnippet
{
    public class CopyObjectModel {

      private CosXml cosXml;

      CopyObjectModel() {
        CosXmlConfig config = new CosXmlConfig.Builder()
          .SetRegion("COS_REGION") // 设置默认的区域, COS 地域的简称请参照 https://cloud.tencent.com/document/product/436/6224 
          .Build();
        
        string secretId = "SECRET_ID";   // 云 API 密钥 SecretId, 获取 API 密钥请参照 https://console.cloud.tencent.com/cam/capi
        string secretKey = "SECRET_KEY"; // 云 API 密钥 SecretKey, 获取 API 密钥请参照 https://console.cloud.tencent.com/cam/capi
        long durationSecond = 600;          //每次请求签名有效时长，单位为秒
        QCloudCredentialProvider qCloudCredentialProvider = new DefaultQCloudCredentialProvider(secretId, 
          secretKey, durationSecond);
        
        this.cosXml = new CosXmlServer(config, qCloudCredentialProvider);
      }

      /// 复制对象时保留对象属性
      public void CopyObject()
      {
        //.cssg-snippet-body-start:[copy-object]
        try
        {
          string sourceAppid = "1250000000"; //账号 appid
          string sourceBucket = "sourcebucket-1250000000"; //"源对象所在的存储桶
          string sourceRegion = "COS_REGION"; //源对象的存储桶所在的地域
          string sourceKey = "sourceObject"; //源对象键
          //构造源对象属性
          CopySourceStruct copySource = new CopySourceStruct(sourceAppid, sourceBucket, 
            sourceRegion, sourceKey);
        
          // 存储桶名称，此处填入格式必须为 bucketname-APPID, 其中 APPID 获取参考 https://console.cloud.tencent.com/developer
          string bucket = "examplebucket-1250000000";
          string key = "exampleobject"; //对象键
          CopyObjectRequest request = new CopyObjectRequest(bucket, key);
          //设置拷贝源
          request.SetCopySource(copySource);
          //设置是否拷贝还是更新,此处是拷贝
          request.SetCopyMetaDataDirective(COSXML.Common.CosMetaDataDirective.Copy);
          //执行请求
          CopyObjectResult result = cosXml.CopyObject(request);
          //请求成功
          Console.WriteLine(result.GetResultInfo());
        }
        catch (COSXML.CosException.CosClientException clientEx)
        {
          //请求失败
          Console.WriteLine("CosClientException: " + clientEx);
        }
        catch (COSXML.CosException.CosServerException serverEx)
        {
          //请求失败
          Console.WriteLine("CosServerException: " + serverEx.GetInfo());
        }
        
        //.cssg-snippet-body-end
      }

      /// 复制对象时替换对象属性
      public void CopyObjectReplaced()
      {
        //.cssg-snippet-body-start:[copy-object-replaced]
        try
        {
          string sourceAppid = "1250000000"; //账号 appid
          string sourceBucket = "sourcebucket-1250000000"; //"源对象所在的存储桶
          string sourceRegion = "COS_REGION"; //源对象的存储桶所在的地域
          string sourceKey = "sourceObject"; //源对象键
          // 构造源对象属性
          CopySourceStruct copySource = new CopySourceStruct(sourceAppid, sourceBucket, 
            sourceRegion, sourceKey);
        
          // 存储桶名称，此处填入格式必须为 bucketname-APPID, 其中 APPID 获取参考 https://console.cloud.tencent.com/developer
          string bucket = "examplebucket-1250000000";
          string key = "exampleobject"; //对象键
          CopyObjectRequest request = new CopyObjectRequest(bucket, key);
          // 设置拷贝源
          request.SetCopySource(copySource);
          // 设置是否拷贝还是更新,此处是拷贝
          request.SetCopyMetaDataDirective(COSXML.Common.CosMetaDataDirective.Replaced);
          // 替换元数据
          request.SetRequestHeader("Content-Disposition", "attachment; filename=example.jpg");
          // 重新设定存储类型，枚举值：STANDARD(标准),STANDARD_IA(低频),ARCHIVE(归档)
          request.SetCosStorageClass(COSXML.Common.CosStorageClass.Standard);
          // 执行请求
          CopyObjectResult result = cosXml.CopyObject(request);
          // 请求成功
          Console.WriteLine(result.GetResultInfo());
        }
        catch (COSXML.CosException.CosClientException clientEx)
        {
          //请求失败
          Console.WriteLine("CosClientException: " + clientEx);
        }
        catch (COSXML.CosException.CosServerException serverEx)
        {
          //请求失败
          Console.WriteLine("CosServerException: " + serverEx.GetInfo());
        }
        //.cssg-snippet-body-end
      }

      // .cssg-methods-pragma

      static void Main(string[] args)
      {
        CopyObjectModel m = new CopyObjectModel();

        /// 复制对象时保留对象属性
        m.CopyObject();
        /// 复制对象时替换对象属性
        m.CopyObjectReplaced();
        // .cssg-methods-pragma
      }
    }
}