阿里云oss c# api 的使用的使用

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API 文档下载地址：http://docs-aliyun.cn-hangzhou.oss.aliyun-inc.com/assets/attach/32085/cn_zh/1515493045734/aliyun_oss_dotnet_sdk_2_8_0.zip?spm=a2c4g.11186623.2.8.koEoR1&file=aliyun_oss_dotnet_sdk_2_8_0.zip

oss 的鉴权

using System;

using Aliyun.OSS;

/// <summary>

/// alyun_oss 的摘要说明

/// </summary>

public class alyun_oss

{

    public static string accessKeyId = "#";

    public static string accessKeySecret = "#";

    public static string endpoint = "oss-cn-beijing.aliyuncs.com";

    public static OssClient client = new OssClient(endpoint, accessKeyId, accessKeySecret);

/// <summary>
/// 获取get 链接
/// </summary>
/// <param name="bucketName">储存空间名称</param>
/// <param name="key">文件名</param>
/// <returns></returns>

public static string GetSignedUrl(string bucketName, string key)

    {

        string restr = "";

        try

        {

            OssClient client = new OssClient(endpoint, accessKeyId, accessKeySecret);

            var request = new GeneratePresignedUriRequest(bucketName, key, SignHttpMethod.Get);//方式

            request.Expiration = DateTime.Now.AddMinutes();//有限时间

            var signedUrl = client.GeneratePresignedUri(request);

            restr = signedUrl.ToString();

        }

        catch (Exception ex)

        {

        }

        return restr;

    }

}