/// <summary>
/// 上传
/// </summary>
public static void Upload()
{
ObjectContextCache.Instance["FileUploadProcessed"] = true;
HttpRequest request = HttpContext.Current.Request;
HttpResponse response = HttpContext.Current.Response;
string lockID = Request.GetRequestQueryValue <string>("lockID", string.Empty);
string userID = Request.GetRequestQueryValue <string>("userID", string.Empty);
string fileName = Request.GetRequestQueryValue <string>("fileName", string.Empty);
int fileMaxSize = Request.GetRequestQueryValue <int>("fileMaxSize", 0);
string controlID = Request.GetRequestQueryValue("controlID", string.Empty);
ExceptionHelper.CheckStringIsNullOrEmpty(fileName, "fileName");
try
{
if (fileMaxSize > 0 && request.ContentLength > fileMaxSize)
{
GenerateErrorInformation(string.Format("文件超过了上传大小的限制{0}字节", fileMaxSize));
}
else
{
//不检查锁，沈峥修改
//CheckLock(lockID, userID);
string uploadPath = GetUploadRootPath();
AutoCreateUploadPath(uploadPath);
Control control = null;
if (string.IsNullOrEmpty(controlID) == false)
{
control = ((Page)HttpContext.Current.CurrentHandler).FindControlByID(controlID, true);
}
string newID = UuidHelper.NewUuidString();
if (fileName.IndexOf(NewMaterialID) == 0)
{
fileName = fileName.Replace(NewMaterialID, newID);
}
else
{
newID = Path.GetFileNameWithoutExtension(fileName);
}
//todo,MaterialControl
//if (control != null && control is MaterialControl)
//{
// UploadEventArgs args = new UploadEventArgs(fileName);
// ((MaterialControl)control).OnBeforeUploadFile(args);
//}
if (request.QueryString["upmethod"] == "new")
{
var dialogControlID = Request.GetRequestQueryValue("dialogControlID", string.Empty);
request.Files[0].SaveAs(uploadPath + @"Temp\" + fileName);
string output = "<script type='text/javascript'>";
output += "window.parent.$find('" + dialogControlID + "').onUploadFinish(1)";
output += "</script>";
response.Write(output);
}
else
{
request.SaveAs(uploadPath + @"Temp\" + fileName, false);
}
//todo,MaterialControl
//if (control != null && control is MaterialControl)
//{
// UploadEventArgs args = new UploadEventArgs(fileName);
// ((MaterialControl)control).OnAfterUploadFile(args);
//}
string fileIconPath = FileConfigHelper.GetFileIconPath(fileName);
response.AppendHeader("fileIconPath", HttpUtility.UrlEncode("message=" + fileIconPath));
string dateTimeNow = SNTPClient.AdjustedTime.ToString("yyyy-MM-dd HH:mm:ss.fff");
response.AppendHeader("lastUploadTag", "message=" + dateTimeNow);
response.AppendHeader("newMaterialID", "message=" + HttpUtility.UrlEncode(newID));
}
}
catch (Exception ex)
{
string errorMessage = ex.ToString();
if (ex is ExternalException && ((ExternalException)(ex)).ErrorCode == FileTooLargeError &&
ex.Source == "System.Web")
{
errorMessage = "您上传的文件过大";
}
GenerateErrorInformation(errorMessage);
}
finally
{
try
{
response.End();
}
catch { }
}
}
/// <summary>
/// 下载模板或已存在的文件
/// </summary>
public static void Download(object sender, BeforeFileDownloadHandler beforeDownloadHandler, PrepareDownloadStreamHandler prepareDownloadStreamHandler, bool raiseEvent)
{
ObjectContextCache.Instance["FileUploadProcessed"] = true;
HttpResponse response = HttpContext.Current.Response;
bool fileReadonly = Request.GetRequestQueryValue <bool>("fileReadonly", false);
string materialID = string.Empty;
try
{
string controlID = Request.GetRequestQueryValue("controlID", string.Empty);
FileDownloadInfo downloadInfo = FileDownloadInfo.CollectInfoFromRequest();
if (File.Exists(downloadInfo.FileFullPath) == false)
{
//是否需要启用映射机制（归档后，文件根目录的映射）
string mappedRootPath = AppPathMappingContext.GetMappedPathName(downloadInfo.RootPathName);
downloadInfo.FileFullPath = GetFileFullPath(downloadInfo.PathType, mappedRootPath, downloadInfo.FilePath);
}
response.ContentType = FileConfigHelper.GetFileContentType(downloadInfo.FileName);
materialID = Request.GetRequestQueryValue("materialID", string.Empty);
if (materialID.IsNullOrEmpty())
{
materialID = UuidHelper.NewUuidString();
}
if (fileReadonly)
{
WebFileOpenMode openMode = FileConfigHelper.GetFileOpenMode(downloadInfo.FileName, downloadInfo.UserID);
response.AppendHeader("content-disposition",
string.Format("{0};filename={1}", openMode == WebFileOpenMode.Inline ? "inline" : "attachment", response.EncodeFileNameInContentDisposition(downloadInfo.FileName)));
}
else
{
string fileIconPath = FileConfigHelper.GetFileIconPath(downloadInfo.FileName);
response.AppendHeader("fileIconPath", HttpUtility.UrlEncode("message=" + fileIconPath));
response.AppendHeader("content-disposition", "attachment;fileName=" + response.EncodeFileNameInContentDisposition(downloadInfo.FileName));
if (downloadInfo.PathType != PathType.relative)
{
response.AppendHeader("materialID", "message=" + materialID);
}
}
bool responseFile = true;
if (beforeDownloadHandler != null && raiseEvent)
{
responseFile = beforeDownloadHandler(sender, downloadInfo);
}
if (responseFile)
{
IMaterialContentPersistManager persistManager =
GetMaterialContentPersistManager(materialID, new FileInfo(downloadInfo.FileFullPath));
using (Stream stream = persistManager.GetMaterialContent(materialID))
{
if (prepareDownloadStreamHandler != null && raiseEvent)
{
PrepareDownloadStreamEventArgs args = new PrepareDownloadStreamEventArgs();
args.DownloadInfo = downloadInfo;
args.InputStream = stream;
args.OutputStream = response.OutputStream;
prepareDownloadStreamHandler(sender, args);
}
else
{
stream.CopyTo(response.OutputStream);
}
}
}
Control control = null;
if (controlID.IsNotEmpty())
{
control = ((Page)HttpContext.Current.CurrentHandler).FindControlByID(controlID, true);
}
//todo,MaterialControl
//if (control != null && control is MaterialControl)
//{
// DownloadEventArgs args = new DownloadEventArgs(materialID, downloadInfo.FilePath);
// ((MaterialControl)control).OnDownloadFile(args);
//}
}
catch (Exception ex)
{
if (fileReadonly)
{
response.Write(ex.Message);
}
else
{
GenerateErrorInformation(ex.ToString());
}
}
finally
{
try
{
response.End();
}
catch
{
}
}
}