遍历虚拟网站下所有目录

前台页面

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>选择本地路径</title>
    <base target="_self" />

    <script src="http://www.cnblogs.com/js/jquery-1.4.2.js" type="text/javascript"></script>
    <script language="javascript" type="text/javascript">

        var _text; // 返回的名
        var _value; // 返回的值

        function NoTrans(obj){
            return obj.replace("\\","\\\\");
        }

        // div 出现在右侧,方便用户选择
        $(document).ready(function(){
            $("a").click(function(){
                var obj = $(this);

                var offset = obj.offset();
                var right = offset.left + obj.width();
                var down = offset.top + obj.height();

                $("#dSubmit").css({'top':down,'left':right + 50});
            })
        });

        function SetTextValue(text, value){
            _text = text;
            _value = value;
        }

        function SetValueAndReturn(){

        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <div>
            <asp:TreeView ID="tvLocalDirFile" runat="server" ImageSet="XPFileExplorer"
                NodeIndent="15" ExpandDepth="1">
                <ParentNodeStyle Font-Bold="False" />
                <HoverNodeStyle Font-Underline="True" ForeColor="#6666AA" />
                <SelectedNodeStyle BackColor="#B5B5B5" Font-Underline="False"
                    HorizontalPadding="0px" VerticalPadding="0px" />
                <NodeStyle Font-Names="Tahoma" Font-Size="8pt" ForeColor="Black"
                    HorizontalPadding="2px" NodeSpacing="0px" VerticalPadding="2px" />
            </asp:TreeView>
        </div>
    <div id="dSubmit" align="center" style="position:absolute; border: solid 1 #462375">
        <input type="button" id="btnOK" value="确定" onclick="returnValue();" />  
        <input type="button" id="btnCancel" value="取消" onclick="window.close();" />
    </div>
    <script language="javascript" type="text/javascript">
        // 返回的方法
        function returnValue() {
            var opener = null;
            try{
                opener = window.dialogArguments;
            }
            catch(e) { }
            if(opener == null)
            {
                opener = window.opener;
;
            }
            try {
                opener.document.getElementById("<%= rtnIdObj%>").<%= rtnIdPro%>= _text;
            }
            catch (e){ }
            try {
                opener.document.getElementById("<%= rtnNameObj%>").<%=rtnNamePro %> = _value;
            }
            catch(e){ }
            try
            {
                <%=string.IsNullOrEmpty(Request.QueryString["callbackfn"]) ? "" : "opener." + Request.QueryString["callbackfn"] + "();"%>
            }
            catch(e){}
            window.close();
        }
    </script>
    </div>
    </form>
</body>
</html>

后台代码

    protected string rtnIdObj, rtnIdPro;
    protected string rtnNameObj, rtnNamePro;

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            TreeNode node = new TreeNode(this.RepalcePrevDir(Request.ApplicationPath), Request.ApplicationPath);
            node.SelectAction = TreeNodeSelectAction.Expand;
            tvLocalDirFile.Nodes.Add(node);

            // 这里要移除根路径不是 / 的那些字符

            ListAllPath(Request.ApplicationPath.Remove(1), tvLocalDirFile.Nodes[0]);

            // 初始化传入的值
            SplitIdAndValue();
        }
    }

    /// <summary>
    /// 分隔传到页面的值的 id 和 value 值，方便传回调用页面
    /// </summary>
    private void SplitIdAndValue()
    {
        rtnNamePro = rtnIdPro = "value"; // 都只能是 value 属性
        string[] rtnId;
        string[] rtnName;
        if (!string.IsNullOrEmpty(Request["rtnText"]))
        {
            rtnId = Request["rtnText"].ToString().Split('.');  // 接收返回值的对象ID和属性

            if (rtnId.Length == 2) // 将objectname.value 格式的传入参数，分解为对象名和属性两个字符串
            {
                rtnIdObj = rtnId[0];
                rtnIdPro = rtnId[1];
            }
        }
        if (!string.IsNullOrEmpty(Request["rtnValue"]))
        {
            rtnName = Request["rtnValue"].ToString().Split('.');
            if (rtnName.Length == 2)
            {
                rtnNameObj = rtnName[0];
                rtnNamePro = rtnName[1];
            }
        }
    }

    /// <summary>
    /// 转换成相对路径
    /// </summary>
    /// <param name="imagesurl1">虚拟目录</param>
    /// <returns></returns>
    private string urlconvertor(string imagesurl1)
    {
        string tmpRootDir = Server.MapPath(System.Web.HttpContext.Current.Request.ApplicationPath.ToString());// 获取程序根目录
        string imagesurl2 = imagesurl1.Replace(tmpRootDir, ""); // 转换成相对路径
        imagesurl2 = imagesurl2.Replace(@"\", @"/");
        //imagesurl2 = imagesurl2.Replace(@"Aspx_Uc/", @"");
        return imagesurl2;
    }

    // 转换成绝对路径
    private string urlconvertorlocal(string imagesurl1)
    {
        string tmpRootDir = Server.MapPath(System.Web.HttpContext.Current.Request.ApplicationPath.ToString());// 获取程序根目录
        string imagesurl2 = tmpRootDir + imagesurl1.Replace(@"/", @"\"); // 转换成绝对路径
        return imagesurl2;
    }

    /// <summary>
    /// 列出网站根目录
    /// </summary>
    /// <param name="dirPath"></param>
    /// <param name="passNode"></param>
    private void ListAllPath(string dirPath, TreeNode passNode)
    {
        string[] dirs;
        string[] files;

        //Response.Write(VirtualPathUtility.GetDirectory(Request.ApplicationPath));
        dirs = Directory.GetDirectories(this.urlconvertorlocal(dirPath));
        files = Directory.GetFiles(this.urlconvertorlocal(dirPath));

        for (int i = 0; i < dirs.Length; i++)
        {
            TreeNode node = new TreeNode(this.RepalcePrevDir(this.urlconvertor(dirs[i])), dirs[i]);
            //node.NavigateUrl = "#";
            node.SelectAction = TreeNodeSelectAction.Expand;
            //node.SelectAction= TreeNodeSelectAction.
            passNode.ChildNodes.Add(node);  // 已经添加了节点
            ListAllPath(this.urlconvertor(dirs[i]), passNode.ChildNodes[passNode.ChildNodes.IndexOf(node)]); // 索引到那个节点
        }

        for (int i = 0; i < files.Length; i++)
        {
            TreeNode tNode = new TreeNode(this.RepalcePrevDir(this.urlconvertor(files[i])), files[i]);
            tNode.NavigateUrl = "javascript:SetTextValue('" + this.urlconvertor(files[i]) + "', '" + files[i].Replace("\\", "\\\\") + "')";
            passNode.ChildNodes.Add(tNode);
        }
    }

    /// <summary>
    /// 去除掉路径前的所有父路径
    /// </summary>
    /// <param name="dir"></param>
    /// <returns></returns>
    private string RepalcePrevDir(string dir)
    {
        return dir.Substring(dir.LastIndexOf("/") + 1);
    }

走向地狱的途中，不小心走了程序员这条路，路上一个个黑心的老板，和暗无天日的加班，我才发现，通往地狱的路径中，我们这行是最短的。