/// <summary>
/// 取得文件的基本信息，文件名、大小和上传时间
/// </summary>
/// <param name="sysNo">流水号</param>
/// <returns></returns>
public JsonResult GetFileInfo(string sysNo)
{
var fileName = sysNo + ".rar";
FileInfo info = new FileInfo(ConfigurationManager.AppSettings["AttachmentPath1"] + fileName);
if (!info.Exists)
{
BillUtils ut = new BillUtils();
BillSv sv = (BillSv)ut.GetBillSvInstance(ut.GetBillEnType(sysNo));
info = new FileInfo(Path.Combine(sv.GetAttachmentPath(sysNo), fileName));
if (!info.Exists)
{
return(Json(new { success = false }));
}
}
return(Json(new
{
success = true,
am = new
{
file_name = fileName,
file_size = info.Length / 1024 + "K",
upload_time = info.CreationTime.ToString()
}
}));
}
/// <summary>
/// 开始下载文件
/// </summary>
/// <param name="sysNo">流水号</param>
/// <returns></returns>
public FileStreamResult BeginDownloadFile(string sysNo)
{
string fileName = sysNo + ".rar";
string absoluFilePath = ConfigurationManager.AppSettings["AttachmentPath1"] + fileName;
FileInfo info = new FileInfo(absoluFilePath);
if (!info.Exists)
{
BillUtils ut = new BillUtils();
BillSv sv = (BillSv)ut.GetBillSvInstance(ut.GetBillEnType(sysNo));
absoluFilePath = Path.Combine(sv.GetAttachmentPath(sysNo), fileName);
info = new FileInfo(absoluFilePath);
if (!info.Exists)
{
return(null);
}
}
Wlog("开始下载文件", sysNo);
return(File(new FileStream(absoluFilePath, FileMode.Open), "application/octet-stream", Server.UrlEncode(fileName)));
}
