C# 自动将所有附件下载到SharePoint项目
我有一个控制台应用程序,最终将作为控制台应用程序运行。我需要在外部Sharepoint网站中循环,查找所有新项目,并查看是否有任何附件,如果有,我需要下载这些附件 我能够查询列表,并且能够遍历附件来填充文件集合 FolderToSaveTo解析为“\\APPDEV03\NEMStoPSIMS\”并传递if(System.IO.Directory.Exists(destPath))语句,但在下一行使用(Stream destFile=System.IO.File.OpenWrite(destPath))抛出{“文件名、目录名或卷标语法不正确。\r\n”} 我可以导航到\APPDEV03\NEMStoPSIMS\并且可以手动保存文件C# 自动将所有附件下载到SharePoint项目,c#,sharepoint,sharepoint-2010,C#,Sharepoint,Sharepoint 2010,我有一个控制台应用程序,最终将作为控制台应用程序运行。我需要在外部Sharepoint网站中循环,查找所有新项目,并查看是否有任何附件,如果有,我需要下载这些附件 我能够查询列表,并且能够遍历附件来填充文件集合 FolderToSaveTo解析为“\\APPDEV03\NEMStoPSIMS\”并传递if(System.IO.Directory.Exists(destPath))语句,但在下一行使用(Stream destFile=System.IO.File.OpenWrite(destPat
<add key="FolderToSaveTo" value="\\APPDEV03\NEMStoPSIMS\" />
SharePointConnector.FolderToSaveTo = ConfigurationManager.AppSettings["FolderToSaveTo"];
try
{
ClientContext context = new ClientContext(sp_site_address);
context.AuthenticationMode = ClientAuthenticationMode.FormsAuthentication;
context.FormsAuthenticationLoginInfo = new
FormsAuthenticationLoginInfo(username, pwd);
List list = context.Web.Lists.GetByTitle(requests_list_name);
CamlQuery query = new CamlQuery();
query.ViewXml = "<View><RowLimit>100</RowLimit></View>";
ListItemCollection items = list.GetItems(query);
context.Load(list);
context.Load(items);
context.ExecuteQuery();
foreach (ListItem oListItem in items)
{
FileCollection Files = GetAttachments(context, list, oListItem);
foreach (Microsoft.SharePoint.Client.File f in Files)
{
Download(f.ServerRelativeUrl, FolderToSaveTo, context);
}
lstRequests.Add(Agreement);
}
}
catch (Exception ex)
{
throw ex;
}
public static FileCollection GetAttachments(ClientContext ctx, List list, ListItem item)
{
ctx.Load(list, l => l.RootFolder.ServerRelativeUrl);
ctx.Load(ctx.Site, s => s.Url);
ctx.ExecuteQuery();
Folder attFolder = ctx.Web.GetFolderByServerRelativeUrl(list.RootFolder.ServerRelativeUrl + "/Attachments/" + item.Id);
FileCollection files = attFolder.Files;
ctx.Load(files, fs => fs.Include(f => f.ServerRelativeUrl, f => f.Name, f => f.ServerRelativeUrl));
ctx.ExecuteQuery();
return files;
}
public static void Download(string serverFilePath, string destPath, ClientContext context)
{
using (FileInformation ffl = Microsoft.SharePoint.Client.File.OpenBinaryDirect(context, serverFilePath))
{
if (System.IO.Directory.Exists(destPath))
{
using (Stream destFile = System.IO.File.OpenWrite(destPath))
{
byte[] buffer = new byte[8 * 1024];
int len;
while ((len = ffl.Stream.Read(buffer, 0, buffer.Length)) > 0)
{
destFile.Write(buffer, 0, len);
}
}
}
}
}
SharePointConnector.FolderToSaveTo=ConfigurationManager.AppSettings[“FolderToSaveTo”];
尝试
{
ClientContext=新的ClientContext(sp_站点_地址);
context.AuthenticationMode=ClientAuthenticationMode.FormsAuthentication;
context.FormsAuthenticationLoginInfo=新建
FormsAuthenticationLoginInfo(用户名、密码);
列表=context.Web.Lists.GetByTitle(请求\列表\名称);
CamlQuery query=新建CamlQuery();
query.ViewXml=“100”;
ListItemCollection items=list.GetItems(查询);
加载(列表);
上下文。加载(项目);
context.ExecuteQuery();
foreach(在项目中列出项目列表)
{
FileCollection Files=GetAttachments(上下文、列表、oListItem);
foreach(文件中的Microsoft.SharePoint.Client.f文件)
{
下载(f.ServerRelativeUrl、FolderToSaveTo、上下文);
}
1.添加(协议);
}
}
捕获(例外情况除外)
{
掷骰子;
}
公共静态文件集合GetAttachments(ClientContext ctx、列表列表、列表项)
{
Load(list,l=>l.RootFolder.ServerRelativeUrl);
Load(ctx.Site,s=>s.Url);
ctx.ExecuteQuery();
文件夹attFolder=ctx.Web.GetFolderByServerRelativeUrl(list.RootFolder.ServerRelativeUrl+“/Attachments/”+item.Id);
FileCollection files=attFolder.files;
Load(文件,fs=>fs.Include(f=>f.ServerRelativeUrl,f=>f.Name,f=>f.ServerRelativeUrl));
ctx.ExecuteQuery();
归还文件;
}
公共静态无效下载(字符串serverFilePath、字符串destPath、ClientContext上下文)
{
使用(FileInformation ffl=Microsoft.SharePoint.Client.File.OpenBinaryDirect(context,serverFilePath))
{
if(System.IO.Directory.Exists(destPath))
{
使用(Stream destFile=System.IO.File.OpenWrite(destPath))
{
字节[]缓冲区=新字节[8*1024];
内伦;
而((len=ffl.Stream.Read(buffer,0,buffer.Length))>0)
{
destFile.Write(缓冲区,0,len);
}
}
}
}
}
我在没有表单验证的情况下测试了这段代码。我将文件名作为变量传递给下载函数,并完全重写了流到文件部分,并对SharePoint调用进行了一些小的调整。现在效果很好
static void Main(string[] args)
{
using (ClientContext context = new ClientContext(sp_site_address))
{
context.AuthenticationMode = ClientAuthenticationMode.FormsAuthentication;
context.FormsAuthenticationLoginInfo = new FormsAuthenticationLoginInfo(username, pwd);
List list = context.Web.Lists.GetByTitle(requests_list_name);
CamlQuery query = new CamlQuery();
query.ViewXml = "<View><RowLimit>100</RowLimit></View>";
ListItemCollection items = list.GetItems(query);
context.Load(items);
context.ExecuteQuery();
foreach (ListItem oListItem in items)
{
FileCollection files = GetAttachments(context, list, oListItem);
foreach (Microsoft.SharePoint.Client.File f in files)
{
Download(f.ServerRelativeUrl, FolderToSaveTo, context, f.Name);
}
lstRequests.Add(Agreement);
}
}
}
public static FileCollection GetAttachments(ClientContext ctx, List list, ListItem item)
{
ctx.Load(list, l => l.RootFolder.ServerRelativeUrl);
ctx.Load(ctx.Site, s => s.Url);
ctx.ExecuteQuery();
Folder attFolder = ctx.Web.GetFolderByServerRelativeUrl(list.RootFolder.ServerRelativeUrl + "/Attachments/" + item.Id);
FileCollection files = attFolder.Files;
ctx.Load(files, fs => fs.Include(f => f.ServerRelativeUrl, f => f.Name, f => f.ServerRelativeUrl));
ctx.ExecuteQuery();
return files;
}
public static void Download(string serverFilePath, string destPath, ClientContext context, string filename)
{
using (FileInformation ffl = Microsoft.SharePoint.Client.File.OpenBinaryDirect(context, serverFilePath))
{
if (System.IO.Directory.Exists(destPath))
{
using (FileStream fileStream = System.IO.File.Create(destPath + "\\" + filename))
{
using (MemoryStream stream = new MemoryStream())
{
ffl.Stream.CopyTo(stream);
stream.WriteTo(fileStream);
}
}
}
}
}
static void Main(字符串[]args)
{
使用(ClientContext上下文=新的ClientContext(sp_站点_地址))
{
context.AuthenticationMode=ClientAuthenticationMode.FormsAuthentication;
context.FormsAuthenticationLoginInfo=新的FormsAuthenticationLoginInfo(用户名,pwd);
列表=context.Web.Lists.GetByTitle(请求\列表\名称);
CamlQuery query=新建CamlQuery();
query.ViewXml=“100”;
ListItemCollection items=list.GetItems(查询);
上下文。加载(项目);
context.ExecuteQuery();
foreach(在项目中列出项目列表)
{
FileCollection files=GetAttachments(上下文、列表、oListItem);
foreach(文件中的Microsoft.SharePoint.Client.f文件)
{
下载(f.ServerRelativeUrl、FolderToSaveTo、context、f.Name);
}
1.添加(协议);
}
}
}
公共静态文件集合GetAttachments(ClientContext ctx、列表列表、列表项)
{
Load(list,l=>l.RootFolder.ServerRelativeUrl);
Load(ctx.Site,s=>s.Url);
ctx.ExecuteQuery();
文件夹attFolder=ctx.Web.GetFolderByServerRelativeUrl(list.RootFolder.ServerRelativeUrl+“/Attachments/”+item.Id);
FileCollection files=attFolder.files;
Load(文件,fs=>fs.Include(f=>f.ServerRelativeUrl,f=>f.Name,f=>f.ServerRelativeUrl));
ctx.ExecuteQuery();
归还文件;
}
公共静态void下载(字符串serverFilePath、字符串destPath、ClientContext上下文、字符串文件名)
{
使用(FileInformation ffl=Microsoft.SharePoint.Client.File.OpenBinaryDirect(context,serverFilePath))
{
if(System.IO.Directory.Exists(destPath))
{
使用(FileStream FileStream=System.IO.File.Create(destPath+“\\”+文件名))
{
使用(MemoryStream stream=new MemoryStream())
{
ffl.Stream.CopyTo(流);
stream.WriteTo(fileStream);
}
}
}
}
}
我在没有表单验证的情况下测试了这段代码。我将文件名作为一个变量传递给下载函数,并完全