网站下载文件管理的逻辑代码

2017-03-04 08:11:53 访问(3345) 赞(0) 踩(0)

 
    protected string NavButton = "";

    /// <summary>
    /// 
    /// </summary>
    /// <returns></returns>
    protected string GetRootDirName()
    {

        return Request.PhysicalApplicationPath + "Soft\\";
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="dir"></param>
    /// <returns></returns>
    protected string GetCurDir(string dir)
    {
        string rootDir = GetRootDirName();

        return rootDir + dir;
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="dir"></param>
    /// <returns></returns>
    protected string ToDir(string dir)
    {

        if (dir == null || dir.Length == 0)
            return "";

        dir = dir.Trim();

        if (dir.Length == 0)
            return "";

        if (dir.StartsWith("/") || dir.StartsWith("\\"))
            dir = dir.Substring(1);

        if (dir.EndsWith("/") || dir.EndsWith("\\"))
        {
            dir = dir.Substring(0, dir.Length - 1);
        }

        return dir;
    }

    /// <summary>
    /// 数据绑定
    /// </summary>
    protected void DataBindTheControls()
    {
        string dir = Request.QueryString["dir"];

        if (dir != null)
        {
            dir = HttpUtility.UrlDecode(dir);
        }

        string newDir = ToDir(dir);

        List<FileSystemInfo> theList = FileSystemInfoListGet(newDir);

        mainRepeater.DataSource = theList;
        mainRepeater.DataBind();

        BuildNav(newDir);
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="strDirName"></param>
    /// <param name="strTitle"></param>
    /// <param name="strName"></param>
    /// <returns></returns>
    protected string BuildButtonItem
        (
            string strDirName,
            string strTitle,
            string strName
        )
    {
        string hrefUrl = "";

        if (strDirName == null || strDirName.Length == 0)
        {
            hrefUrl = "default.aspx";
        }
        else
        {
            hrefUrl = "default.aspx?dir=" + Server.UrlEncode(strDirName);
        }

        string hrefHtml = "<a  class=\"btn btn-white btn-sm\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"" + StringConvertQuot(strTitle) + "\" href=\"" + hrefUrl + "\">" + strName + "</a>";

        // return "<button>" + hrefHtml + "</button>";
        return hrefHtml;
    }


    protected void BuildNav(string newDir)
    {
        if (newDir == null || newDir.Length == 0)
        {
            return;
        }

        newDir = newDir.Replace("/", "\\");

        string[] sA = newDir.Split('\\');

        int iLen = sA.Length;
        string sItem = null;
        StringBuilder sb = new StringBuilder();


        sItem = BuildButtonItem("", "根目录", "根目录");
        sb.Append(sItem);


        string curDir = "";

        for (int i = 0; i < iLen; ++i)
        {
            if (curDir.Length == 0)
                curDir = sA[i];
            else
                curDir += "\\" + sA[i];

            sItem = BuildButtonItem(curDir, curDir, sA[i]);

            sb.Append(sItem);
        }

        NavButton = sb.ToString();
    }

    /// <summary>
    /// 
    /// </summary>
    /// <returns></returns>
    protected List<FileSystemInfo> FileSystemInfoListGet(string newDir)
    {
        List<FileSystemInfo> theList = new List<FileSystemInfo>();



        string fullDir = GetCurDir(newDir);

        DirectoryInfo dirInfo = new DirectoryInfo(fullDir);

        if (!dirInfo.Exists)
            return theList;

        DirectoryInfo[] dA = dirInfo.GetDirectories();

        foreach (DirectoryInfo di in dA)
        {
            theList.Add(di);
        }

        FileInfo[] fA = dirInfo.GetFiles();

        foreach (FileInfo fi in fA)
        {
            theList.Add(fi);
        }

        return theList;
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="o"></param>
    /// <returns></returns>
    protected string GetTrCssClass(object o)
    {
        if (o is DirectoryInfo)
            return "unread";

        return "read";
    }


    /// <summary>
    /// 
    /// </summary>
    /// <param name="idx"></param>
    /// <returns></returns>
    public string GetLengthName(int idx)
    {
        switch (idx)
        {
            case 0:
                return "";
            case 1:
                return "KB";
            case 2:
                return "MB";
            case 3:
                return "GB";
            case 4:
                return "TB";
            default:
                return "TB";
        }
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="o"></param>
    /// <returns></returns>
    protected string GetFileSize(object o)
    {
        if (o is DirectoryInfo)
            return "&nbsp;";

        FileInfo fi = o as FileInfo;

        if (fi == null)
            return "&nbsp;";

        double dLen = (double)fi.Length;

        int idx = 0;

        while (idx < 5)
        {
            if (dLen < 1024)
                break;

            ++idx;
            dLen = dLen / 1024;
        }

        dLen = Math.Round(dLen, 2);

        return dLen.ToString() + GetLengthName(idx);
    }

    /// <summary>
    /// 
    /// </summary>
    /// <returns></returns>
    protected string GetHref(object o)
    {
        if (o is DirectoryInfo)
            return GetDirHref(o as DirectoryInfo);

        return GetFileHref(o as FileInfo);

    }

 

    /// <summary>
    /// 
    /// </summary>
    /// <returns></returns>
    protected string GetDirHref(DirectoryInfo info)
    {
        if (info == null)
            return "&nbsp;";

        string fullName = info.FullName;
        string rootName = GetRootDirName();

        string subName = fullName.Substring(rootName.Length);

        string hrefUrl = "default.aspx?dir=" + Server.UrlEncode(subName);

        return "<a href=\"" + StringConvertQuot(hrefUrl) + "\" title=\"" + StringConvertQuot(subName) + "\" >" + info.Name + "</a>";

    }


    /// <summary>
    /// 
    /// </summary>
    /// <returns></returns>
    protected string GetFileHref(FileInfo info)
    {
        if (info == null)
            return "&nbsp;";

        string fullName = info.FullName;
        string rootName = Request.PhysicalApplicationPath;

        string subName = fullName.Substring(rootName.Length);

        string hrefUrl = strPhyPath + "/" + subName.Replace("\\", "/");

        return "<a href=\"" + StringConvertQuot(hrefUrl) + "\" title=\"" + StringConvertQuot(subName) + "\" >" + info.Name + "</a>";

    }

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="WebForms_AdmHPlus_Files_DownLoad_Default" %>


<!DOCTYPE html>
<html>

<head>

    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>软件下载</title>
    <meta name="keywords" content="软件下载">
    <meta name="description" content="软件下载">

    <link href="<%=HPlusLibPhyPath %>/css/bootstrap.min14ed.css?v=3.3.6" rel="stylesheet">
    <link href="<%=HPlusLibPhyPath %>/css/font-awesome.min93e3.css?v=4.4.0" rel="stylesheet">
    <link href="<%=HPlusLibPhyPath %>/css/plugins/iCheck/custom.css" rel="stylesheet">
    <link href="<%=HPlusLibPhyPath %>/css/animate.min.css" rel="stylesheet">
    <link href="<%=HPlusLibPhyPath %>/css/style.min862f.css?v=4.1.0" rel="stylesheet">

    
    <script type="text/javascript">
        var rootPhyPath = "<%=strPhyPath%>"; 

    </script>

</head>

<body class="gray-bg">
    <div class="wrapper wrapper-content">
        <div class="row">

            <div class="col-sm-12 animated fadeInRight">
                <div class="mail-box-header">
                    <h2><a href="default.aspx">软件下载</a>
                    </h2>
                    <div class="mail-tools tooltip-demo m-t-md">
                        <%=NavButton %>
                    </div>
                </div>
                <div class="mail-box">

                    <table class="table table-hover table-mail">
                        <tbody>
                            <asp:Repeater ID="mainRepeater" runat="server">
                                <ItemTemplate>
                                    <tr class="<%#GetTrCssClass(Container.DataItem) %>">
                                        <td class="check-mail">
                                            <input type="checkbox" class="i-checks">
                                        </td>
                                        <td class="mail-subject">
                                            <%#GetHref(Container.DataItem) %>
                                        </td>
                                        <td class="text-right"><%#Eval("LastWriteTime") %>
                                        </td>
                                        <td class="text-right"><%#GetFileSize(Container.DataItem) %></td>
                                    </tr>
                                </ItemTemplate>
                            </asp:Repeater>
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
    <script src="<%=HPlusLibPhyPath %>/js/jquery.min.js?v=2.1.4"></script>
    <script src="<%=HPlusLibPhyPath %>/js/bootstrap.min.js?v=3.3.6"></script>
    <script src="<%=HPlusLibPhyPath %>/js/content.min.js?v=1.0.0"></script>
    <script src="<%=HPlusLibPhyPath %>/js/plugins/iCheck/icheck.min.js"></script>
    <script type="text/javascript">
        $(document).ready(function ()
        { $(".i-checks").iCheck({ checkboxClass: "icheckbox_square-green", radioClass: "iradio_square-green", }) });
    </script>

</body>

</html>