using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using Microsoft.SharePoint;

using System.IO;

namespace StatutesPublication

{

public class DocLib

{

private string siteUri;//网站集

private string webUri;//网站

private string docLibUri;//文档库

SPList list = null;

public DocLib(string siteUri, string webUri, string docLibUri)

{

this.siteUri = siteUri;

this.webUri = webUri;

this.docLibUri = docLibUri;

}

//打开文档库并返回其引用

public SPList Open()

{

SPSite site = null;

SPWeb web = null;

SPList list = null;

//打开网站集

try

{

site = new SPSite(siteUri);

}

catch (Exception ex)

{

throw new Exception("网站集错误:" + ex.Message);

}

//打开文档库所在网站

try

{

web = site.OpenWeb(webUri);

}

catch (Exception ex)

{

throw new Exception("网站错误:" + ex.Message);

}

//打开文档库

try

{

web.Lists.IncludeRootFolder = true;//SPList.RootFolder的访问默认没有开启

list = web.Lists[docLibUri];

}

catch (Exception ex)

{

throw new Exception("文档库错误:" + ex.Message);

}

return list;

}

public string Upload(string filePath,string dirName,string fileName)

{

try

{

list = this.Open();

}

catch

{

return "文档库打开错误！";

}

SPFolder rootFolder = list.RootFolder;

if (dirName == "root")//直接保存在根目录

{

if(FileExists("root",fileName))

rootFolder.Files.Delete(rootFolder.Url + "/" + fileName);

FileStream fs = new FileStream(filePath, FileMode.Open);

byte[] content = new byte[fs.Length];

fs.Read(content, 0, (int)fs.Length);

rootFolder.Files.Add(fileName, content);

fs.Close();

}

else

{

SPFolder subFolder = null;

subFolder = rootFolder.SubFolders.Add(rootFolder.Url + "/" + dirName);

subFolder = rootFolder.SubFolders[dirName];

if(FileExists(dirName,fileName))

subFolder.Files.Delete(subFolder.Url + "/" + fileName);

FileStream fs = new FileStream(filePath, FileMode.Open);

byte[] content = new byte[fs.Length];

fs.Read(content, 0, (int)fs.Length);

subFolder.Files.Add(fileName, content);

fs.Close();

}

return "Success";

}

public bool FileExists(string dirName, string fileName)

{

try

{

list = this.Open();

}

catch

{

return false;

}

SPFolder rootFolder = list.RootFolder;

if (dirName == "root")

{

foreach (SPFile file in rootFolder.Files)

{

if (file.Name == fileName)

return true;

}

}

else

{

SPFolder subFolder = null;

subFolder = rootFolder.SubFolders.Add(rootFolder.Url + "/" + dirName);

subFolder = rootFolder.SubFolders[dirName];

foreach (SPFile file in subFolder.Files)

{

if (file.Name == fileName)

return true;

}

}

return false;

}

public void FileRemove(string dirName, string fileName)

{

try

{

list = this.Open();

}

catch

{

return;

}

SPFolder rootFolder = list.RootFolder;

if (dirName == "root")

{

foreach (SPFile file in rootFolder.Files)

{

if (file.Name == fileName)

file.Delete();

}

}

else

{

SPFolder subFolder = null;

subFolder = rootFolder.SubFolders.Add(rootFolder.Url + "/" + dirName);

subFolder = rootFolder.SubFolders[dirName];

foreach (SPFile file in subFolder.Files)

{

if (file.Name == fileName)

file.Delete();

}

}

}

//读取用户

public string GetUser()

{

SPSite site = null;

SPWeb web = null;

//打开网站集

try

{

site = new SPSite(siteUri);

}

catch (Exception ex)

{

//throw new Exception("网站集错误:" + ex.Message);

return String.Empty;

}

//打开文档库所在网站

try

{

web = site.OpenWeb(webUri);

}

catch (Exception ex)

{

//throw new Exception("网站错误:" + ex.Message);

return String.Empty;

}

string spUser = web.CurrentUser.Name;

return spUser;

}

}

}