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[英]How can I programatically download a file from a sharepoint server and lock it?
[英]How can i download an excel file from sharepoint server?
我有一个项目(c# 控制台应用程序),我想在其中通过 URL 自动下载一个带有登录凭据的 excel 文件。
我一直在使用网络客户端自动下载文件,我收到的只是一个 html 页面作为响应,通知我登录该站点(我已在 Chrome 中运行它。)
private static string url = "[the whole url link to the file, deleted for privacy]";
public void test()
{
const string username = "[mail]";
const string password = "[password]";
var securedPassword = new SecureString();
foreach (var c in password.ToCharArray())
{
securedPassword.AppendChar(c);
}
var credentials = new SharePointOnlineCredentials(username, securedPassword);
DownloadFile(url, credentials, @"C:\Documents\ExcelFilesSinc\test.xlsx");
}
private static void DownloadFile(string webUrl, ICredentials credentials, string fileRelativeUrl)
{
using (var client = new WebClient())
{
client.Credentials = credentials;
string _UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)";
client.Headers.Add(HttpRequestHeader.UserAgent, _UserAgent);
client.DownloadFile(webUrl, fileRelativeUrl);
}
}
这样,文件就生成了,但是里面保存的全部内容是一个HTML页面,需要我登录微软。 有什么建议?
您可以尝试为基本身份验证添加标头,例如
client.Headers.Add("X-FORMS_BASED_AUTH_ACCEPTED", "f");
client.Headers.Add("User-Agent: Other");
client.Credentials = credentials;
另请参见此处: 从 SharePoint 365 下载文件
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