c# - 使用 C#.net 从 Sharepoint Online 下载文件？

Question

我想将文件从 SharePoint Online 下载到本地，但我正在努力处理代码示例。我在谷歌上搜索过，但没有得到任何有值(value)的信息。

Answer 1

尝试下面的代码片段，使用 SharePoint Online CSOM 将文件从库下载到本地:

using Microsoft.SharePoint.Client;
using System.IO;
using System.Linq;
using System.Security;

class Program
{
    static void Main(string[] args)
    {
        using (ClientContext ctx = new ClientContext(
            "https://tenantname.sharepoint.com/sites/sitename/"))
        {
            string password = "********";
            string account = "<a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="41343224332f202c240135242f202f352f202c246f2e2f2c2822332e322e27356f222e2c" rel="noreferrer noopener nofollow">[email protected]</a>";
            var secret = new SecureString();
            foreach (char c in password)
            {
                secret.AppendChar(c);
            }
            ctx.Credentials = new SharePointOnlineCredentials(account, secret);
            ctx.Load(ctx.Web);
            ctx.ExecuteQuery();
        
            List list = ctx.Web.Lists.GetByTitle("libraryTitle");

            FileCollection files = list.RootFolder.Folders
                .GetByUrl("/sites/sitename/shared documents/foldername").Files;

            ctx.Load(files);
            ctx.ExecuteQuery();

            foreach (Microsoft.SharePoint.Client.File file in files)
            {
                FileInformation fileinfo = Microsoft.SharePoint.Client.File
                    .OpenBinaryDirect(ctx, file.ServerRelativeUrl);

                ctx.ExecuteQuery();

                using (FileStream filestream =
                    new FileStream("C:" + "\\" + file.Name, FileMode.Create))
                {
                    fileinfo.Stream.CopyTo(filestream);
                }
            }
        };
    }
}