一个非常有用的webpart--文档列表添加文件夹树

代码很简单：

//test code by jianyi0115@163.com

// 2008-11-19

//

//

using System;

using System.Collections;

using System.Text;

using sharepoint = Microsoft.SharePoint.WebControls ;

using wss = Microsoft.SharePoint.WebPartPages;

using System.Web.UI.WebControls ;

using System.Web.UI;

using System.Web.UI.Design;

using System.Runtime.InteropServices;

using System.Web.UI.WebControls.WebParts;

using System.Drawing;

using System.ComponentModel;

using Microsoft.SharePoint;

using Microsoft.SharePoint.WebControls;

namespace ThinkingSoft

{

[Guid("D55A1423-B38E-4c2e-9303-C234D7B7453E")]

public class TreeListViewWebPart : wss.WebPart

{

private string _ListUrl = "http://jyserver:9000/000/Forms/AllItems.aspx" ;

[WebBrowsable]

[PersonalizableAttribute]

[DisplayName("列表Url")]

public string ListUrl

{

get { return _ListUrl; }

set { _ListUrl = value; }

}

protected override void CreateChildControls()

{

base.CreateChildControls();

try

{

SPList list = SPContext.Current.Web.GetList(_ListUrl);

SPView view = list.DefaultView;

SPFolder f = list.RootFolder;

TreeView tree = new TreeView();

tree.ShowLines = true;

string viewUrl = Page.Request.RawUrl;

if (viewUrl.IndexOf("?") != -1)

viewUrl = viewUrl.Split('?')[0];

viewUrl += "?RootFolder=";

string currentUrl = Page.Request.QueryString["RootFolder"];

this.buildSub(viewUrl, f, tree.Nodes);

addHtml("<table width='100%' border='1'><tr><td width='20%' valign='top'>");

this.Controls.Add(tree);

addHtml("</td><td valign='top'>");

this.Controls.Add(new LiteralControl(view.RenderAsHtml()));

addHtml("</td></table>");

}

catch (Exception ex)

{

addHtml(ex.Message);

}

}

void addHtml( string html )

{

this.Controls.Add(new LiteralControl(html));

}

//创建文件夹树

void buildSub( string viewUrl , SPFolder root , TreeNodeCollection nodes )

{

foreach (SPFolder f in root.SubFolders)

{

if (f.Name.ToLower() == "forms") continue;

TreeNode n = new TreeNode();

n.Text = f.Name;

n.NavigateUrl = viewUrl + f.Url;

nodes.Add(n);

buildSub( viewUrl , f , n.ChildNodes );

}

}

}

}