.netcore 通过阿里云上传文件到存储桶中

using Aliyun.OSS;
using System.Text.RegularExpressions;

namespace Zowie.Common.Helper
{
    /// <summary>
    /// 阿里云OSS
    /// NuGet引用Aliyun.OSS.SDK.NetCore，版本：2.13.0
    /// </summary>
    public class ALiYunHelper
    {
        private OssClient client;

        public ALiYunHelper()
        {
            var endpoint = "Endpoint";
            var accessKey = "AccessKey";
            var secretKey = "SecretKey";
            client = new OssClient(endpoint, accessKey, secretKey);
        }

        // 创建一个存储桶
        public string CreateBucket(string? bucketName = null)
        {
            try
            {
                // 创建存储空间。
                var bucket = client.CreateBucket(bucketName);
                // 设置存储空间的读写权限为公共读。
                client.SetBucketAcl(bucketName, CannedAccessControlList.PublicRead);
                return ("Create bucket succeeded,  " + bucket.Name);
            }
            catch (Exception ex)
            {
                return ("Create bucket failed, " + ex.Message);
            }
        }

        /// <summary>
        /// 判断存储空间是否存在，不存在就创建，存在bug，未找到判断存储桶是否存在逻辑，这里如果目录里包含也会返回true
        /// </summary>
        /// <param name="bucketName">桶名</param>
        public void DoesBucketExist(string bucketName)
        {
            try
            {
                var exist = client.DoesBucketExist(bucketName);
                if (!exist)
                {
                    CreateBucket(bucketName);
                }
            }
            catch (Exception ex)
            {
                return;
            }
        }

        /// <summary>
        /// 上传
        /// </summary>
        /// <param name="bucketName">填写Bucket名称，例如examplebucket</param>
        /// <param name="objectName">相对路径，相对路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。</param>
        /// <param name="localFilename">绝对路径，例如D:\\localpath\\examplefile.txt</param>
        /// <returns></returns>
        public bool UploadFile(string bucketName, string objectName, string localFilename)
        {
            //objectName = "shouji/chongqing/rongchang/2023/10/17/202310171501034B62CC.jpg";
            // 填写本地文件完整路径，例如D:\\localpath\\examplefile.txt。如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件。
            //localFilename = "C:/Users/Zowie/Desktop/1.png";
            try
            {
                if (objectName.StartsWith('/'))
                {
                    objectName = objectName.Substring(1);