using System;using System.Data;using System.Configuration;using System.Linq;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Xml.Linq;using System.Management;/// <summary>///Computer 的摘要说明/// </summary>public class Computer{    public string CpuID;    public string MacAddress;    public string DiskID;    public string IpAddress;    public string LoginUserName;    public string ComputerName;    public string SystemType;    public string TotalPhysicalMemory; //单位：M     private static Computer _instance;    public static Computer Instance()    {        if (_instance == null)            _instance = new Computer();        return _instance;    }    public Computer()    {        CpuID = GetCpuID();        MacAddress = GetMacAddress();        DiskID = GetDiskID();        IpAddress = GetIPAddress();        LoginUserName = GetUserName();        SystemType = GetSystemType();        TotalPhysicalMemory = GetTotalPhysicalMemory();        ComputerName = GetComputerName();    }    public string GetCpuID()    {        try        {            //获取CPU序列号代码             string cpuInfo = "";//cpu序列号             ManagementClass mc = new ManagementClass("Win32_Processor");            ManagementObjectCollection moc = mc.GetInstances();            foreach (ManagementObject mo in moc)            {                cpuInfo = mo.Properties["ProcessorId"].Value.ToString();            }            moc = null;            mc = null;            return cpuInfo;        }        catch        {            return "unknow";        }        finally        {        }    }    public string GetMacAddress()    {        try        {            //获取网卡硬件地址             string mac = "";            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");            ManagementObjectCollection moc = mc.GetInstances();            foreach (ManagementObject mo in moc)            {                if ((bool)mo["IPEnabled"] == true)                {                    mac = mo["MacAddress"].ToString();                    break;                }            }            moc = null;            mc = null;            return mac;        }        catch        {            return "unknow";        }        finally        {        }    }    public string GetIPAddress()    {        try        {            //获取IP地址             string st = "";            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");            ManagementObjectCollection moc = mc.GetInstances();            foreach (ManagementObject mo in moc)            {                if ((bool)mo["IPEnabled"] == true)                {                    //st=mo["IpAddress"].ToString();                     System.Array ar;                    ar = (System.Array)(mo.Properties["IpAddress"].Value);                    st = ar.GetValue(0).ToString();                    break;                }            }            moc = null;            mc = null;            return st;        }        catch        {            return "unknow";        }        finally        {        }    }    public string GetDiskID()    {        try        {            //获取硬盘ID             String HDid = "";            ManagementClass mc = new ManagementClass("Win32_DiskDrive");            ManagementObjectCollection moc = mc.GetInstances();            foreach (ManagementObject mo in moc)            {                HDid = (string)mo.Properties["Model"].Value;            }            moc = null;            mc = null;            return HDid;        }        catch        {            return "unknow";        }        finally        {        }    }    /// <summary>     /// 操作系统的登录用户名     /// </summary>     /// <returns></returns>     public string GetUserName()    {        try        {            string st = "";            ManagementClass mc = new ManagementClass("Win32_ComputerSystem");            ManagementObjectCollection moc = mc.GetInstances();            foreach (ManagementObject mo in moc)            {                st = mo["UserName"].ToString();            }            moc = null;            mc = null;            return st;        }        catch        {            return "unknow";        }        finally        {        }    }    /// <summary>     /// PC类型     /// </summary>     /// <returns></returns>     public string GetSystemType()    {        try        {            string st = "";            ManagementClass mc = new ManagementClass("Win32_ComputerSystem");            ManagementObjectCollection moc = mc.GetInstances();            foreach (ManagementObject mo in moc)            {                st = mo["SystemType"].ToString();            }            moc = null;            mc = null;            return st;        }        catch        {            return "unknow";        }        finally        {        }    }    /// <summary>     /// 物理内存     /// </summary>     /// <returns></returns>     public string GetTotalPhysicalMemory()    {        try        {            string st = "";            ManagementClass mc = new ManagementClass("Win32_ComputerSystem");            ManagementObjectCollection moc = mc.GetInstances();            foreach (ManagementObject mo in moc)            {                st = mo["TotalPhysicalMemory"].ToString();            }            moc = null;            mc = null;            return st;        }        catch        {            return "unknow";        }        finally        {        }    }    /// <summary>     ///      /// </summary>     /// <returns></returns>     public string GetComputerName()    {        try        {            return System.Environment.GetEnvironmentVariable("ComputerName");        }        catch        {            return "unknow";        }        finally        {        }    } }