/// <summary>
/// 构造函数
/// </summary>
/// <param name="buffer">文件内容的字节数组</param>
public BinaryResult(byte[] buffer)
{
if (buffer == null || buffer.Length == 0)
{
throw new ArgumentNullException("buffer");
}
_streamResult = new StreamResult(buffer);
}
/// <summary>
/// 实现IActionResult接口，执行输出
/// </summary>
/// <param name="context"></param>
public void Ouput(HttpContext context)
{
// 设置当前响应的文档类型
context.Response.ContentType = StreamResult.DefaultContentType;
// 设置浏览器下载对话框中的保存文件名称
StreamResult.SetDownloadFileName(context, _downLoadFileName);
// 下载文件
context.Response.TransmitFile(_filePath);
}