/// <summary> /// 追加二进制数据到文件 /// </summary> /// <param name="buffer"></param> /// <param name="curLength"></param> private void AppendFile(ArraySegment <byte> buffer, int curLength) { string filename = _file.GetFullName(); try { FileStream fs = new FileStream(filename, FileMode.Append, FileAccess.Write, FileShare.ReadWrite); try { byte[] data = buffer.ToArray(); fs.Write(data, 0, curLength); } finally { fs.Close(); fs.Dispose(); } FileInfo info = new FileInfo(filename); if (info.Length >= _file.ContentLength)//保存文件成功 { if (OnSuccess != null) { OnSuccess(_file); } } } catch (Exception ex) { throw new Exception("服务保存文件异常," + ex.Message); } }
/// <summary> /// 构造函数 /// </summary> /// <param name="info">上传文件信息</param> public ThumbnailHandle(UploadInfo info, string folder, int width) { this.Folder = folder; this._Info = info; this.FullName = info.GetFullName(); if (string.IsNullOrEmpty(info.GetSubFolder())) { throw new Exception("缩略图处理模式,上传子目录不能为空"); } this.Width = width; }