using System;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;

public class ImageUpload
{
    private readonly string _baseUrl;
    private readonly string _accessKeyId;
    private readonly string _accessKeySecret;
    private readonly string _bucketName;

    public ImageUpload(string baseUrl, string accessKeyId, string accessKeySecret, string bucketName)
    {
        _baseUrl = baseUrl;
        _accessKeyId = accessKeyId;
        _accessKeySecret = accessKeySecret;
        _bucketName = bucketName;
    }

    public async Task UploadImageAsync(MemoryStream ms, string fileName)
    {
        var client = new HttpClient();
        var formData = new MultipartFormDataContent();

        // 設(shè)置表單字段
        formData.Add(new StringContent(_accessKeyId), "accessKeyId");
        formData.Add(new StringContent(_accessKeySecret), "accessKeySecret");
        formData.Add(new StringContent(_bucketName), "bucketName");

        // 設(shè)置文件內(nèi)容
        formData.Add(new StreamContent(ms), "file", fileName);

        // 構(gòu)建請(qǐng)求URL
        var requestUrl = $"{_baseUrl}/{_bucketName}/{fileName}";

        // 發(fā)送請(qǐng)求
        var response = await client.PostAsync(requestUrl, formData);

        if (response.IsSuccessStatusCode)
        {
            Console.WriteLine("圖片上傳成功！");
        }
        else
        {
            Console.WriteLine("圖片上傳失敗，狀態(tài)碼：" + response.StatusCode);
        }
    }
}