.NET获取服务器信息，如服务器版本、IIS等

.NET获取服务器信息，如服务器版本、IIS版本、数据库大小、网站系统空间占用大小、网站部署路径等等

.NET获取系统环境信息

#region 返回操作系统信息 .net版本数据库大小  程序大小等方法
    /// <summary>
    /// 获取服务器系统信息
    /// </summary>
    public string GetOSVersion()
    {
        OperatingSystem os = Environment.OSVersion;
        return os.ToString();
    }

    /// <summary>
    /// 获取服务器.net版本
    /// </summary>
    /// <returns></returns>
    public string GetNetVersion()
    {
        return Environment.Version.ToString();
    }

    /// <summary>
    /// 获取数据库大小
    /// </summary>
    /// <returns></returns>
    public string GetDataBaseLength()
    {
        string fileFullPath = HttpContext.Current.Server.MapPath("~/App_Data/XXX.mdf");
        FileInfo file = new FileInfo(fileFullPath);
        return (Convert.ToDouble(file.Length) / 1024 / 1024).ToString("N") + "M";
    }

    /// <summary>
    /// 递归文件目录，返回目录下所有文件大小
    /// </summary>
    /// <param name="d">传入的路径</param>
    /// <returns></returns>
    public static long DirSize(DirectoryInfo d)
    {
        long Size = 0;
        // 所有文件大小.
        FileInfo[] fis = d.GetFiles();
        foreach (FileInfo fi in fis)
        {
            Size += fi.Length;
        }
        // 遍历出当前目录的所有文件夹.
        DirectoryInfo[] dis = d.GetDirectories();
        foreach (DirectoryInfo di in dis)
        {
            Size += DirSize(di);   //这就用到递归了，调用父方法,注意，这里并不是直接返回值，而是调用父返回来的
        }
        return (Size);
    }

    /// <summary>
    /// 调用DirSize方法
    /// </summary>
    /// <returns></returns>
    public string GetDirSize()
    {
        string fullPath = HttpContext.Current.Server.MapPath("~/");
        DirectoryInfo d = new DirectoryInfo(fullPath);
        return (Convert.ToDouble(DirSize(d)) / 1024 / 1024).ToString("N") + "M";
    }
    #endregion

    #region 服务器相关属性
    /// <summary>
    /// 服务器名称
    /// </summary>
    public string MachineName
    {
        get { return HttpContext.Current.Server.MachineName; }
    }

    /// <summary>
    /// 服务器操作系统
    /// </summary>
    public string ServiveSystem
    {
        get { return GetOSVersion(); }
    }

    /// <summary>
    /// 服务器IP地址
    /// </summary>
    public string ServiceIP
    {
        get { return HttpContext.Current.Request.ServerVariables["LOCAL_ADDR"]; }
    }

    /// <summary>
    /// 网站端口号
    /// </summary>
    public string ServicePort
    {
        get { return HttpContext.Current.Request.ServerVariables["SERVER_PORT"]; }
    }

    /// <summary>
    /// 服务器IIS版本
    /// </summary>
    public string ServiceIIS
    {
        get { return HttpContext.Current.Request.ServerVariables["SERVER_SOFTWARE"]; }
    }

    /// <summary>
    /// 服务器.NET解释引擎版本
    /// </summary>
    public string ServiceNetVersion
    {
        get { return GetNetVersion(); }
    }

    /// <summary>
    /// 服务器时间
    /// </summary>
    public string ServiceTime
    {
        get { return DateTime.Now.ToString(); }
    }

    /// <summary>
    /// 网站绝对路径
    /// </summary>
    public string ServicePath
    {
        get { return HttpContext.Current.Request.ServerVariables["PATH_TRANSLATED"].ToString(); }
    }

    /// <summary>
    /// 数据库大小
    /// </summary>
    public string DataBaseLength
    {
        get { return GetDataBaseLength(); }
    }

    /// <summary>
    /// 获取程序占用空间大小
    /// </summary>
    public string GetSystemLength
    {
        get { return GetDirSize(); }
    }
    #endregion

.net遍历服务所有变量信息

<table colspan="8" cellpadding="5" border="0">
<tr>
<td align="CENTER" bgcolor="#800000" width="20%">
<font style="arial narrow" color="#ffffff" size="2">环境变量名</font>
</td>
<td align="CENTER" width="80%" bgcolor="#800000">
<font style="arial narrow" color="#ffffff" size="2">结果</font>
</td>
</tr>
<%
foreach (string val in Request.ServerVariables)
{
Response.Write("<tr>");
Response.Write("<td bgcolor='f7efde' align=CENTER> <font style='ARIAL NARROW' size='2'>");
Response.Write(val);
Response.Write("</font></td>");
Response.Write("<td bgcolor='f7efde' align=CENTER> <font style='ARIAL NARROW' size='2'>");
Response.Write(Request.ServerVariables[val]);
Response.Write("</font></td></tr>");
} %>
</table>