/// <summary>
/// Enables processing of the result of an action method by a custom type that inherits from the <see cref="T:System.Web.Mvc.ActionResult"/> class.
/// </summary>
/// <param name="context">The context in which the result is executed. The context information includes the controller, HTTP content, request context, and route data.</param>
public override void ExecuteResult(ControllerContext context)
{
var resolveResult = ResolveImage(context);
if (resolveResult != null)
{
var fileStreamResult = new FileStreamResult(resolveResult.Stream, resolveResult.MimeType);
fileStreamResult.ExecuteResult(context);
}
else
{
//TODO: let user specify default image if requested one was not found
new EmptyResult().ExecuteResult(context);
}
}
/// <summary>
/// 导出文件
/// </summary>
/// <param name="fileStream">文件流。流数据最终会在文件导出后(即使出错)关闭并释放</param>
/// <param name="outputName">要输出的文件名称，含扩展名</param>
public void OutPut(Stream fileStream, string outputName)
{
var fileResult = new FileStreamResult(fileStream, MimeMapping.GetMimeMapping(outputName))
{
FileDownloadName = outputName
};
fileResult.ExecuteResult(this.context);
}
