HttpClient.GetAsync与网络凭据

async Task<IActionResult> GetDataAsync(CancellationToken cancellationToken)
{
    // 创建 HttpClient 对象
    using (var client = new HttpClient())
    {
        // 设置 HttpClient 的默认选项
        client.DefaultRequestHeaders.Authorization =
            new AuthenticationHeaderValue("Bearer", "your_access_token_here");

        // 创建一个 HTTP GET 请求
        var request = new HttpRequestMessage
        {
            Method = HttpMethod.Get,
            RequestUri = new Uri("https://example.com/api/data"),
            Headers =
            {
                { "Authorization", "Bearer " + "your_access_token_here" },
            }
        };

        // 将请求转换为异步操作
        var response = await client.SendAsync(request, cancellationToken);

        // 检查响应状态码
        if (response.IsSuccessStatusCode)
        {
            // 将响应内容转换为流
            using (var stream = await response.Content.ReadAsStreamAsync())
            {
                // 使用流来读取数据
                using (var reader = new StreamReader(stream))
                {
                    // 读取响应内容
                    var responseContent = await reader.ReadToEndAsync();

                    // 返回响应内容
                    return Ok(responseContent);
                }
            }
        }
        else
        {
            // 处理响应状态码不是 2xx 的情况
            return StatusCode(StatusCodes.Status500InternalServerError, "Internal Server Error");
        }
    }
}