亚马逊S3 .NET:上传base64图像数据？

using Amazon;
using Amazon.S3;
using Amazon.S3.Model;
using System;
using System.IO;

public class S3Uploader
{
    private const string accessKey = "YourAccessKey";
    private const string secretKey = "YourSecretKey";
    private const string bucketName = "YourBucketName";

    public void UploadBase64Image(string base64Image, string fileName)
    {
        byte[] imageBytes = Convert.FromBase64String(base64Image);

        using (var client = new AmazonS3Client(accessKey, secretKey, RegionEndpoint.USWest2))
        {
            var request = new PutObjectRequest
            {
                BucketName = bucketName,
                Key = fileName,
                InputStream = new MemoryStream(imageBytes),
                ContentType = "image/jpeg" // 根据实际情况设置MIME类型
            };

            client.PutObject(request);
        }
    }
}