/// <summary>
/// 制作压缩文件
/// </summary>
/// <param name="builder"></param>
/// <param name="file"></param>
/// <param name="folder"></param>
private static void AddFile(ZipFileBuilder builder, SPFile file, string folder)
{
using (Stream fileStream = file.OpenBinaryStream())
{
builder.Add(folder + "\\" + file.Name, fileStream);
fileStream.Close();
}
}
protected void Page_Load(object sender, EventArgs e)
{
string fullDocLibSourceUrl = Request.Params["sourceUrl"];
if (string.IsNullOrEmpty(fullDocLibSourceUrl)) return;
string docLibUrl = fullDocLibSourceUrl.Replace(SPContext.Current.Site.Url, "");
SPList list = SPContext.Current.Web.GetList(docLibUrl);
if (!list.IsDocumentLibrary()) return;
string pItemIds = Request.Params["itemIDs"];
if (string.IsNullOrEmpty(pItemIds)) return;
SPDocumentLibrary library = (SPDocumentLibrary)list;
string[] sItemIds = pItemIds.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
int[] itemsIDs = new int[sItemIds.Length];
for (int i = 0; i < sItemIds.Length; i++)
{
itemsIDs[i] = Convert.ToInt32(sItemIds[i]);
}
if (itemsIDs.Length > 0)
{
using (MemoryStream ms = new MemoryStream())
{
using (ZipFileBuilder builder = new ZipFileBuilder(ms))
{
foreach (int id in itemsIDs)
{
SPListItem item = library.GetItemById(id);
if (item.IsFolder())
AddFolder(builder, item.Folder, string.Empty);
else
AddFile(builder, item.File, string.Empty);
}
builder.Finish();
WriteStreamToResponse(ms);
}
}
}
}
/// <summary>
/// 制作压缩文件夹
/// </summary>
/// <param name="builder"></param>
/// <param name="folder"></param>
/// <param name="parentFolder"></param>
private static void AddFolder(ZipFileBuilder builder, SPFolder folder, string parentFolder)
{
string folderPath = parentFolder == string.Empty ? folder.Name : parentFolder + "\\" + folder.Name;
builder.AddDirectory(folderPath);
foreach (SPFile file in folder.Files)
{
AddFile(builder, file, folderPath);
}
foreach (SPFolder subFolder in folder.SubFolders)
{
AddFolder(builder, subFolder, folderPath);
}
}