写在前面
通过性能计数器类 PerformanceCounter 传入计数器名称，获取对应的系统指标数据，以便进行分析和参考。
通过System.Management类库中的ManagementObjectSearcher类实现对管理信息的查询，比如：主板信息、内存信息、硬盘信息、显卡信息、声卡信息、网卡信息、生产商和生产日期等。需引入一下命名空间：
using System.Diagnostics; using System.Management; using System.Net.NetworkInformation; using System.Text.json;
代码实现
public class DeviceInfoHelper
{
/// <summary>
/// 获取CPU利用率
/// </summary>
public static float GetCpuStatus()
{
// 创建对 CPU 占用百分比的性能计数器。
var cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");
if (cpuCounter != null)
{
return cpuCounter.NextValue();
}
return 0;
}
/// <summary>
/// 获取剩余内存
/// </summary>
public static float GetAvailableMemory()
{
// 创建内存占用字节数的性能计数器
var ramCounter = new PerformanceCounter("Memory", "Available MBytes");
if (ramCounter != null)
{
return ramCounter.NextValue();
}
return 0;
}
/// <summary>
/// 获取当前进程CPU和内存使用情况
/// </summary>
public static Tuple<float, float> GetCurrentProcessorUsage()
{
var processName = Process.GetCurrentProcess().ProcessName;
var theCPUCounter = new PerformanceCounter("Process", "% Processor Time", processName);
var theMemCounter = new PerformanceCounter("Process", "Working Set", processName);
return new Tuple<float, float>(theCPUCounter.NextValue(), theMemCounter.NextValue());
}
/// <summary>
/// 获取硬件信息摘要
/// </summary>
public static string GetHardwareSummary()
{
var hdInfo = new HardwardSummary
{
MainboardName = "未知",
MemorySize = "未知",
HarddiskSize = "未知",
VideocardName = "未知",
SoundcardName = "未知",
NetworkcardName = "未知",
ManufacturerName = "未知",
ManufactureDate = "未知"
};
#region 主板信息
try
{
ManagementObjectSearcher myMainboard = new ManagementObjectSearcher("SELECT * FROM Win32_BaseBoard");
foreach (ManagementObject board in myMainboard.Get())
{
hdInfo.MainboardName = board["Product"].ToString();
}
}
catch (Exception ex)
{
hdInfo.MainboardName = "未知";
}
#endregion
#region 内存信息
try
{
ManagementObjectSearcher myMemory = new ManagementObjectSearcher("SELECT * FROM Win32_PhysicalMemory");
//定义内存总大小变量
double MemorySize = 0;
foreach (ManagementObject obj in myMemory.Get())
{
//将内存大小换算成G单位
MemorySize += Convert.ToDouble(obj["Capacity"]) / 1024 / 1024 / 1024;
}
hdInfo.MemorySize = MemorySize.ToString() + "G";
}
catch (ManagementException e)
{
hdInfo.MemorySize = "未知";
}
#endregion
#region 硬盘信息
try
{
//获取本机所有硬盘信息
ManagementObjectSearcher myHarddisk = new ManagementObjectSearcher("select * from Win32_DiskDrive");
foreach (ManagementObject drive in myHarddisk.Get())
{
//获取硬盘容量
var capacity = (Convert.ToDouble(drive["Size"]) / 1024 / 1024 / 1024).ToString("0.00") + "G";
//获取硬盘类型
var mediaType = drive["MediaType"];
hdInfo.HarddiskSize = capacity.ToString() + "|" + mediaType.ToString();
}
}
catch (Exception ex)
{
hdInfo.HarddiskSize = "未知";
}
#endregion
#region 显卡信息
try
{
ManagementObjectSearcher myVideoObject = new ManagementObjectSearcher("select * from Win32_VideoController");
foreach (ManagementObject obj in myVideoObject.Get())
{
hdInfo.VideocardName = obj["Name"].ToString();
}
}
catch (ManagementException ex)
{
hdInfo.VideocardName 编程客栈= "未知";
}
#endregion
#region 声卡信息
try
{
// 创建WMI搜索对象
ManagementObjectSearcher mySoundcard = new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_SoundDevice");
// 遍历搜索结果
foreach (ManagempythonentObject mo in mySoundcard.Get())
{
// 获取声卡名称
hdInfo.SoundcardName = mo.GetPropertyValue("Name").ToString();
}
}
catch (ManagementException ex)
{
hdInfo.SoundcardName = "未知";
}
#endregion
#region 网卡信息
try
{
// 获取本地网络接口信息
NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface adapter in nics)
{
// 如果是RJ45网卡
if (adapter.NetworkInterfaceType == NetworkInterfaceType.Ethernet)
{
string S1 = (string)adapter.Description;
if (S1.CoiTErHPntains("PCI"))
{
hdInfo.NetworkcardName = S1;
}
}
}
}
catch (ManagementException ex)
{
hdInfo.NetworkcardName = "未知";
}
#endregion
#region 生产商和生产日期
try
{
http://www.devze.com //获取生产商
ManagementObjectSearcher ManufacturerInfo = new ManagementObjectSearcher("select * from Win32_ComputerSystem");
foreach (ManagementObject obj in ManufacturerInfo.Get())
{
编程客栈 hdInfo.ManufacturerName = obj["Manufacturer"].ToString();
}
//获取生产日期
ConnectionOptions options = new ConnectionOptions();
ManagementScope scope = new ManagementScope("\\\\.\\root\\cimv2", options);
ObjectQuery query = new ObjectQuery("SELECT * FROM Win32_BIOS");
ManagementObjectSearcher BoisInfo = new ManagementObjectSearcher(scope, query);
foreach (ManagementObject mo in BoisInfo.Get())
{
string StrManufactureDate = mo["ReleaseDate"].ToString().Substring(0, 8);
DateTime DT = DateTime.ParseExact(StrManufactureDate, "yyyyMMdd", System.Globalization.CultureInfo.CurrentCulture);
hdInfo.ManufactureDate = String.Format("{0:d}", DT);
}
}
catch (Exception ex)
{
hdInfo.ManufacturerName = "未知";
hdInfo.ManufactureDate = "未知";
}
#endregion
return JsonSerializer.Serialize(hdInfo);
}
}
public class HardwardSummary
{
public string MainboardName { get; set; }
public string MemorySize { get; set; }
public string HarddiskSize { get; set; }
public string VideocardName { get; set; }
public string SoundcardName { get; set; }
public string NetworkcardName { get; set; }
public string ManufacturerName { get; set; }
public string ManufactureDate { get; set; }
}
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