C# sharepoint循环遍历文件夹和所有子文件夹中的所有文件
我试图在文件夹中的所有文件以及从第一个文件夹开始的所有子文件夹中循环。我找到了一种方法，但我认为这是愚蠢的，并且可能是一种更好的方法。
该代码循环遍历第一个文件夹和所有文件。之后，它再次循环子文件夹，然后循环文件，然后第三次循环。
我还有其他方法可以做到这一点吗？只需选择一个文件夹，它就会自动沿层次结构循环。
static void ReadAllSubs(string siteUrl, string siteFolderPath, string localTempLocation)
{
ClientContext ctx = new ClientContext(siteUrl);
ctx.AuthenticationMode = ClientAuthenticationMode.Default;
SecureString passWord = new SecureString();
string pwd = "xxx";
foreach (char c in pwd.ToCharArray()) passWord.AppendChar(c);
ctx.Credentials = new SharePointOnlineCredentials("test@test.com", passWord);
FolderCollection folderCollection = ctx.Web.GetFolderByServerRelativeUrl("Delte%20dokumenter/07 - Detaljprosjekt").Folders;
// Don't just load the folder collection, but the property on each folder too
ctx.Load(folderCollection, fs => fs.Include(f => f.ListItemAllFields));
// Actually fetch the data
ctx.ExecuteQuery();
foreach (Folder folder in folderCollection)
{
//LOOP MAIN FOLDER
Console.WriteLine("---------------FIRST LAYER FOLDER---------------------");
var item = folder.ListItemAllFields;
var folderpath = item["FileRef"];
FolderCollection LoopFolder = ctx.Web.GetFolderByServerRelativeUrl(folderpath.ToString()).Folders;
ctx.Load(LoopFolder, fs => fs.Include(f => f.ListItemAllFields));
ctx.ExecuteQuery();
Console.WriteLine(folderpath);
//LOOP ALL FILES IN FIRST MAIN FOLDER
FileCollection mainfiles = ctx.Web.GetFolderByServerRelativeUrl(folderpath.ToString()).Files;
ctx.Load(mainfiles);
ctx.ExecuteQuery();
Console.WriteLine("---------------FIRST LAYER FILES---------------------");
foreach (File mainfile in mainfiles)
{
Console.WriteLine(mainfile.Name);
Console.WriteLine(mainfile.MajorVersion);
}
//LOOP SUBFOLDER
Console.WriteLine("---------------SECOUND LAYER FOLDER---------------------");
foreach (Folder ff in LoopFolder)
{
var subitem = ff.ListItemAllFields;
var folderpathsub = subitem["FileRef"];
Console.WriteLine(folderpathsub);
//LOOP ALL FILES IN FIRST SUBFOLDER
FileCollection files = ctx.Web.GetFolderByServerRelativeUrl(folderpathsub.ToString()).Files;
ctx.Load(files);
ctx.ExecuteQuery();
Console.WriteLine("---------------SECOUND LAYER FILES---------------------");
foreach (File file in files)
{
Console.WriteLine(file.Name);
Console.WriteLine(file.MajorVersion);
}
var created = (DateTime)item["Created"];
var modified = (DateTime)item["Modified"];
Console.WriteLine("---------------THIRD LAYER FOLDER---------------------");
FolderCollection ThirdLoopFolder = ctx.Web.GetFolderByServerRelativeUrl(folderpathsub.ToString()).Folders;
ctx.Load(ThirdLoopFolder, fs => fs.Include(f => f.ListItemAllFields));
ctx.ExecuteQuery();
foreach (Folder fff in ThirdLoopFolder)
{
var item3 = fff.ListItemAllFields;
var folderpath3 = item3["FileRef"];
Console.WriteLine(folderpath3);
//LOOP ALL FILES IN THIRD SUBFOLDER
FileCollection thirdfiles = ctx.Web.GetFolderByServerRelativeUrl(folderpath3.ToString()).Files;
ctx.Load(thirdfiles);
ctx.ExecuteQuery();
Console.WriteLine("---------------THIRD LAYER FILES---------------------");
foreach (File file in thirdfiles)
{
Console.WriteLine(file.Name);
Console.WriteLine(file.MajorVersion);
}
}
}
}
}
我可能会提出两种解决方案。
第一种方法
第一种是类似于您的解决方案的递归方法。
private static void UseRecursiveMethodToGetAllItems()
{
using (var context = new ClientContext(WebUrl))
{
context.Credentials = new SharePointOnlineCredentials(UserName, Password);
var rootFolders = context.Web.GetFolderByServerRelativeUrl(LibName).Folders;
context.Load(rootFolders, folders => folders.Include(f => f.ListItemAllFields));
context.ExecuteQuery();
foreach (var folder in rootFolders)
{
GetFilesAndFolders(context, folder);
}
Console.ReadLine();
}
}
private static void GetFilesAndFolders(ClientContext context, Folder folder)
{
if (folder != null && folder.ListItemAllFields.FieldValues.Count > 0)
{
Console.WriteLine($"Folder - {folder.ListItemAllFields.FieldValues["FileLeafRef"]}");
var fileCollection = folder.Files;
context.Load(fileCollection, files => files.Include(f => f.ListItemAllFields));
context.ExecuteQuery();
foreach(var file in fileCollection)
{
Console.WriteLine($" -> {file.ListItemAllFields.FieldValues["FileLeafRef"]}");
}
var subFolderCollection = folder.Folders;
context.Load(subFolderCollection, folders => folders.Include(f => f.ListItemAllFields));
context.ExecuteQuery();
foreach (var subFolder in subFolderCollection)
{
GetFilesAndFolders(context, subFolder);
}
}
}
第一个函数对给定的 WebUrl 进行身份验证，并从根文件夹（即库的名称）获取文件夹。那么第二种方法就是递归。首先从当前文件夹中获取所有文件并将其打印到控制台，然后下一步是查询该文件夹中的子文件夹，然后执行相同的方法。
我创建了一个包含文件夹和文件的示例库，上述方法的结果是
第二种方法
第二种方法更加“平坦”。可以创建 CAML 查询以递归方式从库中获取所有项目，然后检查它是文件还是文件夹。所有项目都有路径属性来确定层次结构。
private static void UseQueryToGetAllItems()
{
using (var context = new ClientContext(WebUrl))
{
context.Credentials = new SharePointOnlineCredentials(UserName, Password);
List<ListItem> result = new List<ListItem>();
try
{
ListItemCollectionPosition position = null;
int page = 1;
do
{
List list = context.Web.Lists.GetByTitle(LibName);
CamlQuery query = new CamlQuery();
query.ViewXml = new StringBuilder()
.Append("<View Scope=\"RecursiveAll\">")
.Append("<Query>")
.Append("")
.Append("</Query>")
.Append("<RowLimit>5000</RowLimit>")
.Append("</View>")
.ToString();
query.ListItemCollectionPosition = position;
ListItemCollection items = list.GetItems(query);
context.Load(items);
context.ExecuteQuery();
position = items.ListItemCollectionPosition;
if (items.Count > 0)
result.AddRange(items);
context.ExecuteQuery();
page++;
}
while (position != null);
result.ForEach(item =>
{
Console.WriteLine($"{item["ID"]}) Path: {item["FileDirRef"]} - Name: {item["FileLeafRef"]} - Type: {item.FileSystemObjectType}");
});
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
Console.ReadLine();
}
}
此方法还对同一库进行身份验证，然后执行查询以获取列表中的所有项目（查询以分页方式完成，以克服在查询中获取超过 5000 个元素的阈值限制）。该方法获取所有项目的列表后，它会打印出它们，显示路径、文件名和类型（文件或文件夹..或其他..如果没记错的话，此枚举中可能还有 web 和其他一些）。
对于与第一种方法相同的库，这种方法的结果是
希望能帮助到你 ：）