c# 获取电脑硬件信息通用查询类[测试通过]

C#获取电脑硬件信息通用类[Computer]代码展示和分析，简介如下：

1.项目中添加System.Management引用。

2.添加类Computer，把下面代码全选，复制，粘贴。

3.使用方法new Computer().GetComputerName()。

using System;
using System.Management;  // 添加System.Management引用

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;
    }
    /// <summary>
    /// 构造函数
    /// </summary>
    public Computer()
    {
        CpuID = GetCpuID();
        MacAddress = GetMacAddress();
        DiskID = GetDiskID();
        IpAddress = GetIPAddress();
        LoginUserName = GetUserName();
        SystemType = GetSystemType();
        TotalPhysicalMemory = GetTotalPhysicalMemory();
        ComputerName = GetComputerName();
    }
    /// <summary>
    /// 获取cpu序列号
    /// </summary>
    /// <returns></returns>
    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";
        }
    }
    /// <summary>
    /// 获取网卡硬件地址 
    /// </summary>
    /// <returns></returns>
    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";
        }
    }
    /// <summary>
    /// 获取IP地址
    /// </summary>
    /// <returns></returns>
    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";
        }
    }
    /// <summary>
    /// 获取硬盘ID
    /// </summary>
    /// <returns></returns>
    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";
        }
    }

    /// <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";
        }
    }


    /// <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";
        }
    }

    /// <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";
        }
    }
    /// <summary>  
    /// 电脑名称
    /// </summary>  
    /// <returns></returns>  
    public string GetComputerName()
    {
        try
        {
            return System.Environment.GetEnvironmentVariable("ComputerName");
        }
        catch
        {
            return "unknow";
        }
    }
}