public HttpResponseMessage Download(int fileId)
{
HttpResponseMessage response = Request.CreateResponse();
Models.Sys.FileInfo file = _file.Get(fileId);
string fullname = HttpContext.Current.Server.MapPath(file.FullName);
if (System.IO.File.Exists(fullname))
{
response.StatusCode = HttpStatusCode.OK;
System.IO.FileStream stream = new System.IO.FileStream(
fullname,
System.IO.FileMode.Open,
System.IO.FileAccess.Read,
System.IO.FileShare.Read
);
response.Headers.AcceptRanges.Add("bytes");
response.Content = new StreamContent(stream);
response.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment");
response.Content.Headers.ContentDisposition.FileName = file.FileName;
response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
response.Content.Headers.ContentLength = stream.Length;
}
else
{
response.StatusCode = HttpStatusCode.NotFound;
}
return(response);
}
public HttpResponseMessage GetDownloadResponse(Models.Sys.FileInfo fileinfo)
{
try
{
string filename = fileinfo.FilePath + fileinfo.ExtName;
var FilePath = System.Web.Hosting.HostingEnvironment.MapPath(filename);
string ResponseFileName = "图片压缩包.zip";
var stream = new FileStream(FilePath, FileMode.Open);
HttpResponseMessage response = new HttpResponseMessage(HttpStatusCode.OK);
response.Content = new StreamContent(stream);
response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
response.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
{
FileName = ResponseFileName,
FileNameStar = ResponseFileName
};
return(response);
}
catch
{
return(new HttpResponseMessage(HttpStatusCode.NoContent));
}
}
/// <summary>
/// 向文件夹里加文件
/// </summary>
/// cais 16.04.26
/// <param name="fileinfo">文件信息</param>
public void Add(Models.Sys.FileInfo fileinfo)
{
var Server = HttpContext.Current.Server;
System.IO.File.Copy(
Server.MapPath(fileinfo.FullName),
Server.MapPath(zipfilepath + "\\" + fileinfo.NewName + fileinfo.ExtName),
true
);
}
/// <summary>
/// 压缩后的文件信息
/// </summary>
/// <returns></returns>
public Models.Sys.FileInfo Comperssing()
{
string err;
string zippath = zipfilepath + ".zip";
Models.Sys.FileInfo comperssFile = new Models.Sys.FileInfo();
if (ZipFile(HttpContext.Current.Server.MapPath(zipfilepath), out err) == true)
{
comperssFile.FilePath = zipfilepath;
comperssFile.ExtName = ".zip";
}
return(comperssFile);
}
