以编程方式在客户端应用程序中打开文件 - SharePoint Online [英] Open file in client application Programatically - SharePoint Online

问题描述

我需要在msword应用程序中从SharePoint在线库中打开一个文件。所以我有用户名&密码和其他细节，需要在.net c＃console应用程序中完成工作。所以基本上以编程方式在客户端应用程序中打开给定的文件URL。
甚至可能吗？请提出你的想法。感谢 

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谢谢，Saravanan PRS

I need to open a file from SharePoint online library in msword application. So I have username & password and other details, and need to do the job in .net c# console application . So basically open a given file URL in client application programatically. Is that even possible ? Please give your idea. Thanks 

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Thanks, Saravanan PRS

推荐答案

请使用SharePoint Online CSOM下载文件，然后使用System.Diagnostics.Process.Start方法在Word应用程序中打开，这里有一个代码片段供您参考：

Please use SharePoint Online CSOM to download the file and then open in Word application with System.Diagnostics.Process.Start method, here is a code snippet for your reference:

string userName = "[e-mail]";
            string password = "xxxx";
            var securePassword = new SecureString();
            foreach (char c in password)
            {
                securePassword.AppendChar(c);
            }
            using (var clientContext = new ClientContext("https://xxx.sharepoint.com/sites/xxx"))
            {
                clientContext.Credentials = new SharePointOnlineCredentials(userName, securePassword);
                Web web = clientContext.Web;
                clientContext.Load(web, a => a.ServerRelativeUrl);
                clientContext.ExecuteQuery();
                Microsoft.SharePoint.Client.File file = clientContext.Web.GetFileByServerRelativeUrl("/sites/xxx/Shared%20Documents/test.docx");
                clientContext.Load(file);
                clientContext.ExecuteQuery();
                if (file != null)
                {
                    FileInformation fileInfo = File.OpenBinaryDirect(clientContext, file.ServerRelativeUrl);
                    clientContext.ExecuteQuery();

                    var folderpath = @"c:\downloadfolder";
                    if (!System.IO.Directory.Exists(folderpath))
                    {
                        System.IO.Directory.CreateDirectory(folderpath);
                    }
                    using (var fileStream = new System.IO.FileStream(folderpath + @"\" + file.Name, System.IO.FileMode.Create))
                    {
                        fileInfo.Stream.CopyTo(fileStream);
                    }

                    System.Diagnostics.Process.Start(folderpath + @"\" + file.Name);
                }
            }

使用Nuget控制台使用以下行安装SharePoint Online CSOM dll：

Install the SharePoint Online CSOM dll using Nuget Console with this line:

Install-Package Microsoft.SharePointOnline.CSOM -Version 16.1.7723.1200

请记住在上面的代码中更改用户名，密码，站点URL，库名称以使其正常工作。

And remember to change the user name, password, site url , library name in the code above to make it work.

谢谢

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