/// <summary>
/// 文件下载
/// </summary>
/// <param name="docId"></param>
/// <returns></returns>
public FileStreamResult FileDownload(string docId)
{
FileStreamResult Ret = null;
try
{
#region 判断是否为空
if (!string.IsNullOrEmpty(docId))
{
using (TeamWorkDbContext et = new TeamWorkDbContext())
{
KeyValModel kv = GetCurrentStoreDirectory();
T_XT_Doc_Entity _doc = et.T_XT_Doc_Entity.FirstOrDefault(d => d.IsDeleted == false && d.DocId == docId);
if (kv != null && _doc != null)
{
string filePath = Server.MapPath(string.Format("~/DocLib/{0}/{1}", _doc.SubDirectory, _doc.InternalName));//路径
Ret = File(new FileStream(filePath, FileMode.Open), "text/plain", _doc.DocName);
_doc.DownloadCount = _doc.DownloadCount ?? 0;
_doc.DownloadCount++;
et.SaveChanges();
}
}
}
#endregion
}
catch (Exception ex)
{
}
return(Ret);
}
public JsonResult FilesDelete(string[] docIds)
{
JsonRetModel ret = new JsonRetModel {
Ret = false
};
try
{
KeyValModel kv = GetCurrentStoreDirectory();
if (!docIds.Any())
{
ret.Msg = "未检测到需要删除的文件！";
return(Json(ret));
}
if (kv == null)
{
ret.Msg = "未能获取到文件储存目录！";
return(Json(ret));
}
using (TeamWorkDbContext et = new TeamWorkDbContext())
{
foreach (string _docId in docIds)
{
T_XT_Doc_Entity _doc = et.T_XT_Doc_Entity.FirstOrDefault(k => k.DocId == _docId);
if (_doc != null)
{
#region 除文件
string path = string.Format("{0}\\{1}\\{2}", kv.Val, _doc.SubDirectory, _doc.InternalName);
FileInfo info = new FileInfo(path);
if (info.Exists)
{
info.Delete();
}
#endregion
#region 如果是图片类型的连带删除缩略图
if (CheckImageExt(_doc.DocType))
{
string img_sp = string.Format("{0}\\{1}\\{2}_s{3}", kv.Val, _doc.SubDirectory, _doc.InternalName.Replace(_doc.DocType, ""), _doc.DocType);
FileInfo img_s = new FileInfo(img_sp);
if (img_s.Exists)
{
img_s.Delete();
}
}
#endregion
#region 除表数据（伪删除）
_doc.IsDeleted = true;
et.SaveChanges();
#endregion
}
}
ret.Msg = "操作成功";
ret.Ret = true;
}
}
catch (Exception e)
{
ret.Msg = e.Message;
ret.Ret = false;
}
return(Json(ret));
}
public JsonResult FileUpload()
{
JsonRetModel ret = new JsonRetModel();
try
{
Response.ContentType = "text/plain";
Response.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8");
Response.Charset = "utf-8";
string _RelevanceId = Request["RelevanceId"],
_FromModuleName = Request["FromModuleName"],
_FromTableName = Request["FromTableName"],
_ExpandOne = Request["ExpandOne"],
_ExpandTwo = Request["ExpandTwo"],
_ExpandThree = Request["ExpandThree"],
_ExpandFour = Request["ExpandFour"],
_ExpandFive = Request["ExpandFive"];
HttpPostedFileBase file = Request.Files["file"];
KeyValModel kv = GetCurrentStoreDirectory();//获取存储物理路径
if (kv != null)
{
using (TeamWorkDbContext et = new TeamWorkDbContext())
{
string storeDirectoryId = kv.Key,
storeDirectory = kv.Val,
subDirectory = DateTime.Now.ToString("yyyyMM"),
uploadPath = storeDirectory + @"\" + subDirectory + @"\";
bool IsImg = false;
if (file != null)
{
if (!Directory.Exists(uploadPath))
{
Directory.CreateDirectory(uploadPath);
}
string[] array = file.FileName.Split('.');
string suffix = "." + array[array.Length - 1],
internalName = Guid.NewGuid().ToString("N"),
realPath = uploadPath + internalName,
fullPath = realPath + suffix;
if (CheckImageExt(suffix))
{
IsImg = true;
MakeSmallImg(file.InputStream, realPath + "_s" + suffix, 100, 100);
MakeSmallImg(file.InputStream, fullPath, 800, 800);
}
else
{
file.SaveAs(fullPath);
}
string fileName = file.FileName.Substring(file.FileName.LastIndexOf('/') + 1);
T_XT_Doc_Entity _doc = new T_XT_Doc_Entity
{
DocId = Guid.NewGuid().ToString("N"),
StoreDirectoryId = storeDirectoryId,
DocName = fileName,
DocType = suffix,
DocSize = file.ContentLength,
SubDirectory = subDirectory,
InternalName = internalName + suffix,
DownloadCount = 0,
FromModuleName = _FromModuleName,
FromTableName = _FromTableName,
RelevanceId = _RelevanceId,
ExpandOne = _ExpandOne,
ExpandTwo = _ExpandTwo,
ExpandThree = _ExpandThree,
ExpandFour = _ExpandFour,
ExpandFive = _ExpandFive,
CreateTime = DateTime.Now,
IsDeleted = false
};
et.T_XT_Doc_Entity.Add(_doc);
et.SaveChanges();
ret.Ret = true;
ret.Msg = "上传成功";
ret.Data = new
{
DocId = _doc.DocId,
DocName = _doc.DocName,
Size = _doc.DocSize,
CreateTime = _doc.CreateTime,
Path = string.Format("DocLib/{0}/{1}", subDirectory, _doc.InternalName)
//,Path_s = IsImg?string.Format("DocLib/{0}/{1}_s{2}", subDirectory, realPath, suffix):null
};
}
else
{
ret.Ret = false;
ret.Msg = "未检测到文件";
}
}
}
}
catch (Exception ex)
{
ret.Ret = false;
ret.Msg = ex.Message;
}
return(Json(ret));
}
