/// <summary>
/// 获取图片库第一层文件夹--根据文件夹名称排序
/// </summary>
/// <param name="siteUrl"></param>
/// <param name="weburl"></param>
/// <param name="listID"></param>
/// <returns></returns>
public List<SPFolder> GetListRootFoldersOrderByName(string siteUrl, string weburl, string listID)
{
List<SPFolder> folderList = new List<SPFolder>();
try
{
if (!string.IsNullOrEmpty(siteUrl) && !string.IsNullOrEmpty(weburl) && !string.IsNullOrEmpty(listID))
{
using (SPSite currentsite = new SPSite(siteUrl))
{
using (SPWeb currentweb = currentsite.OpenWeb(weburl))
{
Guid listGuid = new Guid(listID);
SPList list = currentweb.Lists[listGuid];
if (list != null)
{
SPFolder rootfolder = list.RootFolder;
//按照创建文件夹的时间排序
folderList = (from SPFolder fr in rootfolder.SubFolders
where fr.Name != "Forms"
orderby fr.Name ascending
select fr).ToList();
}
}
}
}
}
catch (Exception)
{
}
return folderList;
}
分页显示
/// <summary>
/// 获取图片库第一层文件夹-linq分页
/// </summary>
/// <param name="siteUrl"></param>
/// <param name="weburl"></param>
/// <param name="listID"></param>
/// <param name="pageSize"></param>
/// <param name="pageIndex"></param>
/// <param name="totalCount"></param>
/// <returns></returns>
public List<SPFolder> GetListRootFolders(string siteUrl, string weburl, string listID, int pageSize, int pageIndex, out int totalCount)
{
List<SPFolder> folderList = new List<SPFolder>();
int count = 0;
try
{
if (!string.IsNullOrEmpty(siteUrl) && !string.IsNullOrEmpty(weburl) && !string.IsNullOrEmpty(listID))
{
using (SPSite currentsite = new SPSite(siteUrl))
{
using (SPWeb currentweb = currentsite.OpenWeb(weburl))
{
Guid listGuid = new Guid(listID);
SPList list = currentweb.Lists[listGuid];
if (list != null)
{
SPFolder rootfolder = list.RootFolder;
//按照创建文件夹的时间排序
count = rootfolder.SubFolders.Count - 1;//不记录Forms
folderList = new List<SPFolder>((from SPFolder fr in rootfolder.SubFolders
where fr.Name != "Forms"
orderby fr.Properties["vti_timecreated"] descending
select fr).Skip((pageIndex - 1) * pageSize).Take(pageSize));
}
}
}
}
}
catch (Exception)
{
}
totalCount = count;
return folderList;
}
/// <summary>
/// 获取文件夹第一个图片文件
/// </summary>
/// <param name="f"></param>
/// <returns></returns>
public SPFile GetFirstImgByFolder(SPFolder f)
{
if (f.Files.Count > 0)
{
SPFile file = (from SPFile fe in f.Files
orderby fe.TimeCreated descending
select fe).FirstOrDefault();
return file;
}
return null;
}
/// <summary>
/// 获取列表文件夹下的子文件夹
/// </summary>
/// <param name="folderGuid"></param>
/// <param name="siteUrl"></param>
/// <param name="weburl"></param>
/// <param name="listID"></param>
/// <returns></returns>
public List<SPFolder> GetSubFolders(Guid folderGuid, string siteUrl, string weburl, string listID)
{
List<SPFolder> folderList = new List<SPFolder>();
try
{
if (!string.IsNullOrEmpty(siteUrl) && !string.IsNullOrEmpty(weburl) && !string.IsNullOrEmpty(listID))
{
using (SPSite currentsite = new SPSite(siteUrl))
{
using (SPWeb currentweb = currentsite.OpenWeb(weburl))
{
Guid listGuid = new Guid(listID);
SPList list = currentweb.Lists[listGuid];
if (list != null)
{
SPListItem rootfolder = list.Folders[folderGuid];
if (rootfolder.Folder.Exists)
{
folderList = new List<SPFolder>((from SPFolder fr in rootfolder.Folder.SubFolders
where fr.Name != "Forms"
orderby fr.Properties["vti_timecreated"] descending
select fr)).ToList();
}
}
}
}
}
}
catch (Exception)
{
}
return folderList;
}
#region//获取某个选择的文件夹下的图片
/// <summary>
/// 根据选择的文件夹获取下面的图片
/// </summary>
/// <param name="selectedFolderValueList">选中的文件夹</param>
/// <param name="splist">列表</param>
/// <returns>返回检索的数据集合</returns>
public static List<PhotoFileEntity> GetPhotoListToSelected(string selectedFolderValueList, SPList splist)
{
//返回的值申明
List<PhotoFileEntity> photolist = new List<PhotoFileEntity>();
//
try
{
//选中的文件夹
if (!string.IsNullOrEmpty(selectedFolderValueList))
{
#region//根据选择的值得到文件夹
string[] folderList = selectedFolderValueList.Split(new char[] { ‘,‘ });
#endregion
#region//循环文件夹
if (folderList != null && folderList.Length > 0)
{
foreach (string folderguid in folderList)
{
#region//根据文件夹的guid得到第1张图片
if (!string.IsNullOrEmpty(folderguid))
{
SPListItem itemfolder = splist.Folders[new Guid(folderguid)];
//
if (itemfolder != null)
{
//文件夹
SPFolder subfolder = itemfolder.Folder;
//如果文件夹不为空
if (subfolder != null)
{
#region//读取第1张图片为文件夹显示的图片
//读取照片
List<SPFile> spfiles = (from SPFile file in subfolder.Files
orderby file.TimeCreated descending
select file).ToList();
//如果不为空
if (spfiles != null)
{
//值读取一张
foreach (SPFile spfile in spfiles)
{
#region//读取照片详细信息
PhotoFileEntity doc = new PhotoFileEntity();
//赋值
doc.FileName = spfile.Name;
//文件夹的名称
doc.FolderName = subfolder.Name;
//文件夹的相对url
doc.FolderUrl = HttpUtility.UrlEncode(subfolder.Url);
//扩展名
doc.Extension = spfile.Item["File_x0020_Type"] == null ? string.Empty :
spfile.Item["File_x0020_Type"].ToString();
//大小缩略图
string twName = doc.FileName.Replace(string.Format(".{0}", doc.Extension),
string.Format("_{0}", doc.Extension));
//缩略图的url
doc.ThumbnailUrl = string.Format("{0}/{1}/_t/{2}.jpg", subfolder.ParentWeb.Url, doc.FolderUrl, twName);
//大图的url
doc.LargeImageUrl = string.Format("{0}/{1}/_w/{2}.jpg", subfolder.ParentWeb.Url, doc.FolderUrl, twName);
//
doc.Id = spfile.UniqueId;
doc.FileUrl = subfolder.ParentWeb.Url + "/" + spfile.Url;
doc.ServerRelativeUrl = spfile.ServerRelativeUrl;
doc.TotalLength = spfile.TotalLength;
doc.TimeCreated = spfile.TimeCreated;
doc.TimeLastModified = spfile.TimeLastModified;
//如果不为空
if (spfile.Item != null)
{
//描述
doc.Description = spfile.Item["Description"] == null ? string.Empty :
spfile.Item["Description"].ToString();
//关键字
doc.KeyWords = spfile.Item["Keywords"] == null ? string.Empty :
spfile.Item["Keywords"].ToString();
//图片宽度
doc.Width = spfile.Item["ImageWidth"] == null ? 0 : int.Parse(spfile.Item["ImageWidth"].ToString());
//图片高度
doc.Height = spfile.Item["ImageHeight"] == null ? 0 : int.Parse(spfile.Item["ImageHeight"].ToString());
}
SPUser user = spfile.Author;
//得到作者
if (user != null)
{
doc.AuthorName = user.Name;
doc.AuthorLoginName = user.LoginName;
}
//加入到集合里来
photolist.Add(doc);
#endregion
}
}
#endregion
}
}
}
#endregion
}
}
#endregion
}
}
catch
{
}
//return
return photolist;
}
#endregion
时间： 2024-11-08 21:37:06