web下的目录选择

 

using System;
using System.Web;
using System.Text;
using System.IO;
using System.Diagnostics;
using System.Web.UI;
using System.Text.RegularExpressions;
using System.Web.UI.WebControls;

public partial class FileList:System.Web.UI.Page
{
    public void Page_Load(object sender, System.EventArgs e)
    {
        try
        {
            //获取驱动器
            string[] drives = System.IO.Directory.GetLogicalDrives();
            DiskList.Items.Add("选择驱动器");
            foreach (string str in drives) { DiskList.Items.Add(str); }

            string strCurrentDir, NewFolder, TempAction;
            NewFolder = Request.QueryString["NewFolder"];
            TempAction = Request.QueryString["Action"];



            //分情况显示数据
            if (TempAction == null && NewFolder == null)
            {
                strCurrentDir = Server.MapPath(".");                
                DisplayList(strCurrentDir);
            }
            else if (TempAction == "up")
            {
                strCurrentDir = NewFolder;
                UpFolder(strCurrentDir);
            }
            else if (TempAction == "info")
            {
                SysInfo();
            }
            else
            {
                strCurrentDir = NewFolder;
                DisplayList(strCurrentDir);
            }
        }
        catch (System.IO.IOException ex)
        {
            Alert(ex.Message);
            ClientScript.RegisterStartupScript(this.GetType(), "", "window.history.go(-1)", true);
            return;
        }
        catch (System.Security.SecurityException)
        {
            ErrorText.Text = "The caller does not have the required permission.";
        }
        catch (Exception ex)
        {
            ErrorText.Text = ex.Message;
        }
    }

    #region Files and Directorys List
    /// <summary>
    /// 显示文件和文件夹列表。
    /// </summary>
    public void DisplayList(string strCurrentDir)
    {
        strCurrentDir = strCurrentDir.Replace(@"：", @":").Replace(@"、", @"\").Replace(@"\\", @"\");

        StringBuilder TempStr = new StringBuilder();
        TempStr.Capacity = 100;
        string dirName,dirIcon;
        int subDirNum=0;
        DateTime dirModifyData;

        fileShow.Text = "";//初始化显示层

        if (!Directory.Exists(strCurrentDir))
        {
            throw new IOException("目录不存在。");
        }

        //设置选择的磁盘分区
        string partZoneName = strCurrentDir.Substring(0, strCurrentDir.IndexOf("\\")+1);
        for (int i = 0; i < DiskList.Items.Count; i++)
        {
            if (DiskList.Items[i].Text == partZoneName)
            {
                DiskList.Items[i].Selected = true;
                break;
            }
        }
        
        DirectoryInfo curDirInfo = new DirectoryInfo(strCurrentDir);

        if (curDirInfo.GetDirectories().Length < 1)
        {
            throw new IOException("此目录中没有子目录!");
        }
        foreach (DirectoryInfo dir in curDirInfo.GetDirectories())
        {
            subDirNum++;
            dirName = dir.Name;
            dirModifyData = dir.LastWriteTime;
            
            dirIcon = "<font face='wingdings' color='#666666' style='font-size:30'>0</font>";
            string divContent="<div class=imagespacer><div class=imageholder onclick=\"SelectDiv(this,'" + dirName.Replace(" ", "&nbsp;").ToString() + "','" +dirModifyData.ToLongDateString() +"');\""+
                                                                           " ondblclick=\"OpenObject('" + Server.UrlEncode(dir.Name)+"');\">" + dirIcon + "</div>"+
                              "<div class=titleholder>" + dir.Name + "</div></div>";
            TempStr.Append(divContent);

        }
        fileShow.Text = TempStr.ToString();      
        FolderPath.Value = strCurrentDir;
        FolderUrl.Value = Server.UrlEncode(strCurrentDir);
        ObjectNum.Value = curDirInfo.GetDirectories().Length.ToString();
       
        leftpic.Text = "<b><font face='wingdings' color='#6699CC' style='font-size:30'>;</font></b>";
        //ListImage.ImageUrl = "images/left_disk.gif";
        ListLabel.Text = Directory.GetDirectoryRoot(strCurrentDir);
        goup.Enabled = false;
        //IMG1.Src = "images/turnup1.gif";
        
    }
    #endregion
    /// <summary>
    /// 获取当前文档名。
    /// </summary>
    private string GetFileName()
    {
        Uri nUrl = HttpContext.Current.Request.Url;
        string sFileName = nUrl.Segments[nUrl.Segments.Length - 1];
        int i = sFileName.LastIndexOf("/");
        int j = sFileName.Length;
        sFileName = sFileName.Substring(i + 1, j - i - 1);
        return sFileName;
    }
    /// <summary>
    /// 系统信息。
    /// </summary>
    private void SysInfo()
    {
        Response.Write("<html><head><meta http-equiv='Content-Type' content='text/html; charset=gb2312'><title>DiskExpert V2.0 Power By Pot</title><style>td{font-size:14px}</style></head><body><table width='80%'  border='1' align='center' cellpadding='2' style='border-collapse: collapse;'><tr><td colspan='2'><font color='#FF0000'>Web服务器信息</font></td></tr><tr><td width='40%'>服务器IP</td><td width='60%'>" + Request.ServerVariables["LOCAL_ADDR"] + "</td></tr><tr><td>机器名</td><td>" + Environment.MachineName + "</td></tr><tr><td>网络域名</td><td>" + Environment.UserDomainName.ToString() + "</td></tr><tr><td>当前进程的用户名</td><td>" + Environment.UserName + "</td></tr><tr><td>操作系统</td><td>" + Environment.OSVersion.ToString() + "</td></tr><tr><td>IIS版本</td><td>" + Request.ServerVariables["SERVER_SOFTWARE"] + "</td></tr><tr><td colspan='2'><font color='#FF0000'>客户端信息</font></td></tr><tr><td>客户端IP</td><td>" + Request.ServerVariables["REMOTE_ADDR"] + "</td></tr><tr><td>用户标识</td><td>" + Request.ServerVariables["HTTP_USER_AGENT"] + "</td></tr></table></body></html>");
        Response.End();
    }
    /// <summary>
    /// 返回上一级。
    /// </summary>
    private void UpFolder(string strCurrentDir)
    {
        string UpPath = new FileInfo(strCurrentDir).DirectoryName;
        DisplayList(UpPath);
        FolderPath.Value = UpPath;
        FolderUrl.Value = Server.UrlEncode(UpPath);
        return;
    }

    public void Alert(string msg)
    {
        this.ClientScript.RegisterClientScriptBlock(this.GetType(), "", "alert(\"" + Regex.Replace(msg.Replace("\"", "'"), @"\W", "", RegexOptions.Multiline) + "\");", true);
    }
}

 

 

我们在做b/s软件时，有时需要选择服务器目录，在此共享一个服务器目录选择方法：

页面代码如下:

 

 

<%@ Page Language="C#" EnableViewState="false" ValidateRequest="false" Inherits="FileList"
    CodeBehind="FileList.aspx.cs" AutoEventWireup="True" %>

<html>
<head>
    <title>DiskExpert V2.0 Power by Pot</title>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
    <style type="text/css">
        A
        {
            cursor: hand;
        }
        A:visited
        {
            text-decoration: none;
            color: 000000;
        }
        A:hover
        {
            text-decoration: none;
        }
        A:link
        {
            text-decoration: none;
            color: 000000;
        }
        BODY
        {
            font-family: Tahoma;
            font-size: 8pt;
            scrollbar-face-color: #ffffff;
            scrollbar-highlight-color: #acb0b5;
            scrollbar-shadow-color: #acb0b5;
            scrollbar-3dlight-color: #ffffff;
            scrollbar-arrow-color: #acb0b5;
            scrollbar-track-color: #ffffff;
            scrollbar-darkshadow-color: #ffffff;
            scrollbar-base-color: #acb0b5;
        }
        TD
        {
            font-family: Tahoma;
            font-size: 8pt;
        }
        DIV
        {
            cursor: default;
            font-family: Tahoma;
            font-size: 8pt;
        }
        select
        {
            border-width: 1;
            border-color: #000000;
            background-color: #efefef;
            font-family: Tahoma;
            font-size: 8pt;
            font-style: bold;
        }
        .botton
        {
            font-size: 8pt;
            background: url(http://music.myule.com/images/botton_01.gif) no-repeat right bottom;
            font-family: Tahoma;
            color: #7E8083;
            border: 1px solid #ACB0B5;
        }
        .botton1
        {
            font-size: 8pt;
            font-family: Tahoma;
            border: 1px solid #ACB0B5;
        }
        INPUT
        {
            border-top-width: 1px;
            padding-right: 1px;
            padding-left: 1px;
            border-left-width: 1px;
            font-size: 8pt;
            border-left-color: #cccccc;
            border-bottom-width: 1px;
            border-bottom-color: #cccccc;
            padding-bottom: 1px;
            border-top-color: #cccccc;
            padding-top: 1px;
            height: 18px;
            border-right-width: 1px;
            border-right-color: #cccccc;
            font-family: Tahoma;
        }
        DIV.imagespacer
        {
            float: left;
            margin: 5px;
            overflow: hidden;
            width: 90px;
            padding-top: 0px;
            height: 90px;
            text-align: center;
        }
        DIV.imageholder
        {
            border-right: #cccccc 1px solid;
            padding-right: 0px;
            border-top: #cccccc 1px solid;
            padding-left: 0px;
            padding-bottom: 0px;
            margin: 0px;
            vertical-align: middle;
            border-left: #cccccc 1px solid;
            width: 60px;
            padding-top: 15px;
            border-bottom: #cccccc 1px solid;
            height: 60px;
            text-align: center;
        }
        DIV.titleHolder
        {
            width: 100%;
            padding-top: 2px;
            height: 20px;
            text-align: center;
        }
        .style1
        {
            font-size: medium;
        }
        .style2
        {
            color: #CC0000;
            font-size: small;
        }
        .style4
        {
            color: #CC0000;
        }
    </style>
</head>
<body style="overflow: auto" bgcolor="#e4f4ff" leftmargin="0" topmargin="0">
    <div style="position: absolute; left: 0; top: 0; width: 100%; height: 100%; z-index: 1">
        <table width="98%" height="100%" border="0" align="center" cellpadding="0" cellspacing="0">
            <tr>
                <td valign="top" height="45">
                    <table cellspacing="0" cellpadding="0" width="100%" border="0">
                        <form id="form1" name="form1" method="get" action="">
                        <tr>
                            <td style="color: #7e8083" height="20">
                                <div id="msviLocalToolbar">
                                    <table style="cursor: default" cellspacing="0" cellpadding="0" border="0">
                                        <tr>
                                            <td align="left">
                                                <br />
                                                <input id="ObjectNum" type="hidden" name="Hidden2" runat="server" class="style1"/>
                                                <input id="FolderUrl" type="hidden" name="hidden" runat="server" class="style1"/>
                                                <input id="FolderPath" type="hidden" name="FolderPath" runat="server" class="style1"/>
                                                <span class="style1">请选择您希望将数据还原到的磁盘位置： </span><span class="style2">
                                                    <br />
                                                </span><span class="style4">(*注意：请确保在地址栏中的目录是存在的)</span>
                                            </td>
                                        </tr>
                                    </table>
                                </div>
                            </td>
                        </tr>
                        <tr>
                            <td height="1" align="right" bgcolor="#ACB0B5">
                            </td>
                        </tr>
                        <tr>
                            <td height="1" align="right" bgcolor="#F7FAFF">
                            </td>
                        </tr>
                        <tr>
                            <td align="right">
                                <table cellspacing="0" cellpadding="0" width="100%" border="0">
                                    <tr>
                                        <td align="center" width="180">
                                            <div id="msviLocalToolbar1">
                                                <table cellspacing="0" cellpadding="0" width="95%" border="0">
                                                    <tr align="center">
                                                        <td>
                                                            <font color="#cecfd0">|</font>
                                                        </td>
                                                        <td>
                                                        </td>
                                                        <td class="lt0" width="18%">
                                                            <a onclick="window.location.reload();return false;" href="#">刷新</a>
                                                        </td>
                                                        <td>
                                                            <font color="#cecfd0">|</font>
                                                        </td>
                                                        <td>
                                                        </td>
                                                        <td width="18%" height="20">
                                                            <a onclick="history.go(-1)" href="#">后退</a>
                                                        </td>
                                                        <td>
                                                            <font color="#cecfd0">|</font>
                                                        </td>
                                                        <td width="18%">
                                                            <asp:HyperLink ID="goup" runat="server">向上</asp:HyperLink>
                                                        </td>
                                                        <td>
                                                            <font color="#cecfd0">|</font>
                                                        </td>
                                                    </tr>
                                                </table>
                                            </div>
                                        </td>
                                        <td width="30">
                                            <font color="#7e8083">地址:</font>
                                        </td>
                                        <td>
                                            <input id="NewFolder" style="width: 100%" type="text" name="text" runat="server"/>
                                        </td>
                                        <td width="25">
                                            <input type="submit" name="Submit" value="→"/>
                                        </td>
                                        <td width="90">
                                            <select id="DiskList" onchange="window.location=('?NewFolder='+options[selectedIndex].value)"
                                                name="Select1" runat="server">
                                            </select>
                                        </td>
                                        <td width="30">
                                        </td>
                                    </tr>
                                </table>
                            </td>
                        </tr>
                        <tr>
                            <td height="2" align="right" bgcolor="#ACB0B5">
                                <img height="1" src="images/spacer.gif" width="1">
                            </td>
                        </tr>
                        </form>
                    </table>
                </td>
            </tr>
            <tr>
                <td valign="top" bgcolor="#ffffff">
                    <table height="100%" cellspacing="0" cellpadding="0" width="100%" border="0">
                        <tr>
                            <td valign="top" width="200">
                                <div style="overflow: auto; width: 200px; height: 100%">
                                    <table cellspacing="0" cellpadding="0" width="100%" border="0">
                                        <tr>
                                            <td valign="top" height="76">
                                                <table cellspacing="0" cellpadding="0" width="100%" border="0">
                                                    <tr>
                                                        <td width="10" height="50">
                                                            &nbsp;
                                                        </td>
                                                        <td valign="top" align="left">
                                                            <table cellspacing="0" cellpadding="0" width="100%" border="0">
                                                                <tr>
                                                                    <td valign="bottom" height="40">
                                                                        <asp:Label ID="leftpic" runat="server"></asp:Label>
                                                                    </td>
                                                                </tr>
                                                            </table>
                                                        </td>
                                                    </tr>
                                                    <tr>
                                                        <td width="10">
                                                            <img height="1" src="images/spacer.gif" width="10">
                                                        </td>
                                                        <td style="font-weight: bold; font-size: 14pt; line-height: 1.1; font-family: Tahoma"
                                                            valign="bottom">
                                                            <asp:Label ID="ListLabel" runat="server"></asp:Label>
                                                        </td>
                                                    </tr>
                                                    <tr>
                                                        <td width="10" height="10">
                                                            <hr size="2" color="#6699CC" noshade>
                                                        </td>
                                                        <td>
                                                            <hr size="2" color="#6699CC" noshade>
                                                        </td>
                                                    </tr>
                                                </table>
                                            </td>
                                        </tr>
                                        <tr>
                                            <td valign="top">
                                                <table cellspacing="0" cellpadding="0" width="100%" border="0">
                                                    <tr>
                                                        <td width="10" height="25">
                                                            <img height="1" src="images/spacer.gif" width="10">
                                                        </td>
                                                        <td>
                                                            &nbsp;
                                                        </td>
                                                    </tr>
                                                    <tr>
                                                        <td width="10" height="40">
                                                            &nbsp;
                                                        </td>
                                                        <td>
                                                            <span id="lblObjDir" style="font-size: 8pt; line-height: 1.3; font-family: Tahoma">
                                                            </span>
                                                        </td>
                                                    </tr>
                                                    <tr>
                                                        <td width="10">
                                                            &nbsp;
                                                        </td>
                                                        <td>
                                                            <span id="fileinfo" style="font-size: 8pt; font-family: Tahoma"></span>
                                                        </td>
                                                    </tr>
                                                    <tr>
                                                        <td height="20">
                                                            &nbsp;
                                                        </td>
                                                        <td>
                                                            &nbsp;
                                                        </td>
                                                    </tr>
                                                </table>
                                            </td>
                                        </tr>
                                    </table>
                                </div>
                            </td>
                            <td onselectstart="return false;" onclick="return BodyClick()" valign="top">
                                <div style="overflow: auto; width: 100%; height: 100%">
                                    <font face="宋体">
                                        <asp:Literal ID="fileShow" runat="server"></asp:Literal></font></div>
                            </td>
                        </tr>
                    </table>
                </td>
            </tr>
            <tr>
                <td height="1" bgcolor="#ACB0B5">
                </td>
            </tr>
            <tr>
                <td height="1" valign="top" bgcolor="#F7FAFF" style="color: red">
                    <asp:Label ID="ErrorText" runat="server"></asp:Label>
                </td>
            </tr>
            <tr>
                <td valign="top" height="45">
                    <table cellspacing="1" cellpadding="0" width="100%" border="0">
                        <tr>
                            <td>
                                <table cellspacing="0" cellpadding="0" width="100%" border="0">
                                    <form id="form2" name="form2" action="FileList.aspx" runat="server">
                                    <tr>
                                        <td height="30" align="center">
                                            <input id="CurrentFile" type="hidden" name="CurrentFile" runat="server">
                                            <input id="CurrentFolder" type="hidden" name="CurrentFolder" runat="server">
                                            <input type="button" id="btnEnter" onclick="btnEnter_Click()" value="确定" style="width: 80px;
                                                height: 40px; font: 16pt;" />
                                        </td>
                                    </tr>
                                    </form>
                                </table>
                            </td>
                        </tr>
                        <tr>
                            <td>
                                <table width="100%" border="0" cellspacing="0" cellpadding="0">
                                </table>
                            </td>
                        </tr>
                    </table>
                </td>
            </tr>
        </table>
    </div>
<script type="text/javascript">
var flag = false;
var lastDiv = null,FolderNum,ClickArea = 0;
var selectedDbDir = document.getElementById("NewFolder").value=document.getElementById("FolderPath").value;

window.status = "就绪"

FolderNum = form1.ObjectNum.value;
lblObjDir.innerHTML = "共计:&nbsp;"+FolderNum+"&nbsp;个目录<br><br>";

if(typeof form2.Button7!="undefined")
{
    form2.Button7.disabled = true;form2.Button8.disabled = true;
}    
document.form2.CurrentFolder.value = "";
document.form2.CurrentFile.value = "";

function BodyClick()
{
    if(ClickArea == 1)
    {
        ClickArea = 0;
        return;
    }
    else
    {
        lblObjDir.innerHTML="共计:&nbsp;"+FolderNum+"&nbsp;个目录<br><br>"; 
        fileinfo.innerHTML="";           
        if (lastDiv)
        {
            lastDiv.style.border = "1 solid #CCCCCC";
            lastDiv.style.background = "white";
        }
        document.form2.CurrentFolder.value="";
        if(typeof form2.Button7!="undefined")
        {
            form2.Button7.disabled = true;
            form2.Button8.disabled = true;
        }
        window.status = "就绪";return;
    }
}            

function SelectDiv(theDiv,dirName,lastModify)
{
    //设置选择的文件夹
    selectedDbDir = document.getElementById("NewFolder").value+"\\"+dirName; 
    if (lastDiv) 
    {
        lastDiv.style.border = "1 solid #CCCCCC";lastDiv.style.background = "white";
    }
    lastDiv = theDiv;
    theDiv.style.border = "1 solid #316AC5";
    theDiv.style.background = "#EBF0FA";
    document.form2.CurrentFolder.value = dirName;
    window.status = "文件夹「"+dirName+"」被选中!";
    lblObjDir.innerHTML = "<b>"+dirName+"</b><br>";
    fileinfo.innerHTML = "修改时间:&nbsp;"+lastModify+"<br><br>";
    ClickArea = 1;
    if(typeof form2.Button7!="undefined"){form2.Button7.disabled = false;form2.Button8.disabled = false;}
    return;
}        
function OpenObject(dirName)
{       
    window.location=("?NewFolder="+form1.FolderUrl.value+"\\"+dirName);
}
function GetFileName(){var str = this.location.href;return str.match(/\/([^\?/]*)(\?|$)/)[1];}
function openeditor(){
if(form2.CurrentFile.value==""){alert("请选取一个文件！");return false;}
window.open("about:blank",'editor','scrollbars=1,menubar=0,status=0,width=700,height=500,left=50,top=110,resizable=1');window.open("?Action=edit&url="+form1.FolderUrl.value+"\\"+form2.CurrentFile.value,'editor','scrollbars=1,menubar=0,status=0,width=700,height=500,left=50,top=110,resizable=1');}

function btnEnter_Click()
{ 
    flag = true;
    if(window.opener!=null)
    {       
        window.opener.getDBSavePath(selectedDbDir); 
        window.close();
    }
    else
    {
        alert('操作错误');
    }
}
window.onunload=function()
    {
        if(!flag)
        {
            if(window.opener!=null)
            {
                window.opener.getDBSavePath(selectedDbDir);
            }
        }
    }
</script>
</body>
</html>