C# 一些硬件序列号

using System.Management;
using System.Management.Instrumentation;

private void GetInfo() 
   { 
    string cpuInfo = "";//cpu序列号 
    ManagementClass cimobject = new ManagementClass("Win32_Processor"); 
    ManagementObjectCollection moc = cimobject.GetInstances(); 
    foreach(ManagementObject mo in moc) 
    { 
     cpuInfo = mo.Properties["ProcessorId"].Value.ToString(); 
     Response.Write ("cpu序列号："+cpuInfo.ToString ()); 
    } 

    //获取硬盘ID 
    String HDid; 
    ManagementClass cimobject1 = new ManagementClass("Win32_DiskDrive"); 
    ManagementObjectCollection moc1 = cimobject1.GetInstances(); 
    foreach(ManagementObject mo in moc1) 
    { 
     HDid = (string)mo.Properties["Model"].Value; 
     Response.Write ("硬盘序列号："+HDid.ToString ()); 
    } 


    //获取网卡硬件地址 

    
    
    ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); 
    ManagementObjectCollection moc2 = mc.GetInstances(); 
    foreach(ManagementObject mo in moc2) 
    { 
     if((bool)mo["IPEnabled"] == true) 
      Response.Write("MAC address\t{0}"+mo["MacAddress"].ToString()); 
     mo.Dispose(); 
    } 
   }

 

    public static float GetCPUPersent()
    {
        float cpuload = 0;
        const string categoryname = "processor";
        const string countername = "% processor time";
        const string instancename = "_total";
        PerformanceCounter pc = new PerformanceCounter(categoryname, countername, instancename);
        int i = 10;
        while (i > 0)
        {
            Thread.Sleep(1000); // wait for 1 second
            cpuload = pc.NextValue();
            if (cpuload > 0)
            {
                break;
            }
            i--;
        }
        return cpuload;
    }

    public static void GetDiskSpace(string path, out long DiskAll, out long DiskActive)
    {
        DiskAll = 0;
        DiskActive = 0;
        long a, b, c;
        int aaa = GetDiskFreeSpaceEx(path, out a, out b, out c);
        DiskAll = (long)(b / 1024 / 1024);
        DiskActive = (long)(a / 1024 / 1024);
    }

    public static void GetMemoryInfo(out uint MemoryAll, out uint MemoryUsed)
    {
        MemoryAll = 0;
        MemoryUsed = 0;
        MEMORY_INFO MemInfo = new MEMORY_INFO();
        GlobalMemoryStatus(ref  MemInfo);
        MemoryAll = MemInfo.dwTotalPhys / 1024 / 1024;
        MemoryUsed = (MemInfo.dwTotalPhys - MemInfo.dwAvailPhys) / 1024 / 1024;
    }

 

 

 

    [DllImport("kernel32")]
    public static extern void GlobalMemoryStatus(ref  MEMORY_INFO meminfo);

    //定义内存的信息结构 
    [StructLayout(LayoutKind.Sequential)]
    public struct MEMORY_INFO
    {
        public uint dwLength;
        public uint dwMemoryLoad;
        public uint dwTotalPhys;
        public uint dwAvailPhys;
        public uint dwTotalPageFile;
        public uint dwAvailPageFile;
        public uint dwTotalVirtual;
        public uint dwAvailVirtual;
    }

    [DllImport("kernel32.dll", EntryPoint = "GetDiskFreeSpaceExA")]
    public static extern int GetDiskFreeSpaceEx(string lpRootPathName, out long lpFreeBytesAvailable, out long lpTotalNumberOfBytes, out long lpTotalNumberOfFreeBytes);