sahrepoint 上传到文档库

sharepoint学习笔记汇总

http://blog.csdn.net/qq873113580/article/details/20390149

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/// <summary>
??????? /// 上传附件到文档库（包含删除获取）
??????? /// </summary>
??????? /// <param name="dirName"></param>
??????? /// <param name="fileUpload"></param>
??????? /// <returns></returns>
??????? private string GetFileUrl(string dirName, FileUpload fileUpload)
??????? {
??????????? string url = "";
??????????? if (fileUpload.HasFile == false)
??????????? {
??????????????? return url;
??????????? }
??????????? using (SPWeb rootWeb = new SPSite(Common.rootUrl).OpenWeb())
??????????? {
??????????????? //找到文档库的位置
??????????????? SPList libList = rootWeb.GetList(Common.rootUrl + "/ReportFile/Forms/AllItems.aspx");
??????????????? //找到文档库根文件夹
??????????????? SPFolder rootFolder = libList.RootFolder;

??????????????? //子文件夹
??????????????? SPFolder subFolder = null;

??????????????? #region 不存在文件夹就新建
??????????????? bool exists = false;
??????????????? //根文件夹下的文件夹集合
??????????????? SPFolderCollection folders = rootFolder.SubFolders;
??????????????? foreach (SPFolder folde in folders)
??????????????? {
??????????????????? if (folde.Name == dirName)
??????????????????? {
??????????????????????? exists = true;
??????????????????????? break;
??????????????????? }
??????????????? }
??????????????? if (exists == false)
??????????????? {
??????????????????? //不存在就在根文件夹下加入一个文件夹
??????????????????? subFolder = rootFolder.SubFolders.Add(rootFolder.Url + "/" + dirName);
??????????????? }
??????????????? else
??????????????? {
??????????????????? //存在就直接读取这个文件夹
??????????????????? subFolder = rootFolder.SubFolders[dirName];
??????????????? }
??????????????? #endregion

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??????????????? #region 删除子文件夹下的全部文件在加入
??????????????? SPFileCollection files = subFolder.Files;
???????????????for (int i = files.Count - 1; i >= 0; i--)
??????????????? {
??????????????????? files[i].Delete();
??????????????? }
??????????????? #endregion
??????????????? //获取文件流
??????????????? Stream fStream = fileUpload.PostedFile.InputStream;
??????????????? byte[] contents = new byte[fStream.Length];
??????????????? fStream.Read(contents, 0, (int)fStream.Length);
??????????????? //保存到文档库
??????????????? subFolder.Files.Add(fileUpload.FileName, contents);
??????????????? fStream.Close();
??????????????? //获取上传之后的文件位置http://xxx/xx/xx.xx
??????????????? url = Common.rootUrl + "/" + subFolder.Url + "/" + fileUpload.FileName;
??????????? }
??????????? return url;
??????? }

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