public ActionResult Upload(Guid fileType, string scopes, string thumbnail, string width, string height, HttpPostedFileBase fileData)
{
if (fileData != null)
{
var result = FileHelper.SaveFile(fileData);
Image originalImage = null;
string thumbnailRelativePath = "";
if (IsImage(result.ExtensionName))
{
originalImage = Image.FromFile(result.Path);
//系统默认缩略图
if (originalImage.Width > 138)
{
string thumbnailPhysicalPath = result.Path.Replace(result.ExtensionName, "") + "_d" + result.ExtensionName;
ThumbnailHelper.Thumbnail(originalImage, thumbnailPhysicalPath, 138, 0, "w");
thumbnailRelativePath = result.RelativePath.Replace(result.ExtensionName, "") + "_d" + result.ExtensionName;
}
else
{
thumbnailRelativePath = result.RelativePath;
}
//自定义缩略图
if (!string.IsNullOrEmpty(thumbnail))
{
string thumbnailPathSmall = result.Path.Replace(result.ExtensionName, "") + "_s" + result.ExtensionName;
ThumbnailHelper.Thumbnail(originalImage, thumbnailPathSmall, string.IsNullOrEmpty(width) ? 0 : Int32.Parse(width), string.IsNullOrEmpty(height) ? 0 : Int32.Parse(height), thumbnail);
}
}
else
{
if (DataDictionaryHelper.GetValue("媒体类型>Office文件").Contains(result.ExtensionName))
{
if (".doc;.docx;.rtf;.dotx;.dot;".Contains(result.ExtensionName))
{
thumbnailRelativePath = "/Content/img/doc.jpg";
}
else if (".xls;.xlsx;.xlt;.xltx;".Contains(result.ExtensionName))
{
thumbnailRelativePath = "/Content/img/xls.jpg";
}
else
{
thumbnailRelativePath = "/Content/img/office.png";
}
}
else if (result.ExtensionName == ".txt")
{
thumbnailRelativePath = "/Content/img/txt.png";
}
else if (".rar;.zip".Contains(result.ExtensionName))
{
thumbnailRelativePath = "/Content/img/rar.png";
}
else
{
thumbnailRelativePath = "/Content/img/file.png";
}
}
//公共media会保存到数据
//if (scopes.ToLower() == "public")
//{
var mediaService = new MediaService();
var media = new Media()
{
FileName = fileData.FileName,
ExtensionName = result.ExtensionName,
FilePath = urlconvertor(result.Path),
MediaType = fileType,
ThumbnailPath = thumbnailRelativePath
};
if (scopes.ToLower() == "public")
{
media.IsPublic = true;
}
else
{
media.IsPublic = false;
}
if (originalImage != null)
{
media.Width = originalImage.Width;
media.Height = originalImage.Height;
}
mediaService.Add(media);
//}
if (originalImage != null)
{
originalImage.Dispose();
}
result.Id = media.Id.ToString();
result.ThumbnailPath = thumbnailRelativePath;
result.Width = media.Width == null ? "" : media.Width.GetValueOrDefault().ToString();
result.Height = media.Height == null ? "" : media.Height.GetValueOrDefault().ToString();
return(Json(result));
}
else
{
return(Json(new AjaxResult()
{
Result = Result.Error, Message = "未找到该文件流"
}));
}
}
private FileResult SaveFile(MediaClass?mediaclass)
{
bool noDB = mediaclass == null;
HttpPostedFileBase file = HttpContext.Request.Files["Filedata"];
//MediaTypeService typeService = new MediaTypeService();
//MediaType type = null;
string orgFilePath = "";
FileResult result = null;
if (!noDB)
{
string mediatype = HttpContext.Request.QueryString["type"];
//type = typeService.Get(new Guid(mediatype));
//if (mediaclass == MediaClass.图片)
//{
// orgFilePath = "/upload/Picture/";
//}
//else
//{
// orgFilePath = "/upload/Document/";
//}
//orgFilePath = orgFilePath + type.EnName + "/";
}
else
{
orgFilePath = Request["folder"];
}
//获取文件的保存路径
string uploadPath = HttpContext.Server.MapPath(orgFilePath);
string extName = file.FileName.Substring(file.FileName.IndexOf("."));
string guid = Guid.NewGuid().ToString();
string fileSaveName = guid + extName;
if (!System.IO.Directory.Exists(uploadPath))
{
System.IO.Directory.CreateDirectory(uploadPath);
}
string returnPath = orgFilePath + "\\" + fileSaveName;
string newPath = uploadPath + fileSaveName;
try
{
file.SaveAs(newPath);
if (!noDB)
{
MediaService service = new MediaService();
Media info = new Media();
info.FileName = file.FileName.Substring(0, file.FileName.LastIndexOf("."));
info.FilePath = orgFilePath + fileSaveName;
//info.ExtName = extName.Replace(".", "");
//info.MediaType_Id = type.Id;
//info.MediaClass = mediaclass.Value;
service.Add(info);
}
if (IsImage(extName))
{
string thumbnailPathSmall = uploadPath + guid + "_32_32" + extName;
string thumbnailPathMiddle = uploadPath + guid + "_120_120" + extName;
//生成小图标
ThumbnailHelper.Thumbnail(newPath, thumbnailPathSmall, 32, 32, "W");
//中等图标
ThumbnailHelper.Thumbnail(newPath, thumbnailPathMiddle, 120, 120, "W");
}
result = new FileResult();
result.name = file.FileName;
result.path = returnPath;
return(result);
}
catch (Exception ex)
{
throw ex;
}
}