c# API接收Base64转图片

/// <summary>
/// API接收Base64转图片
/// </summary>
/// <param name="Img">图片字节</param>
/// <param name="Path">储存地址</param>
/// <returns></returns>
public IHttpActionResult Index(String Img, String Path)
{
//转图片
byte[] bit = Convert.FromBase64String(Img);
MemoryStream ms = new MemoryStream(bit);
Bitmap bmp = new Bitmap(ms);
bmp.Save(HttpContext.Current.Server.MapPath(Path) + ".jpg", ImageFormat.Jpeg);
return Ok();
}