获取系统内存、CPU的使用情况
开发环境：
开发工具：Visual Studio 2013
.NET Framework版本：4.5
实现代码：
public class SystemUtil { #region 内存 #region 获得内存信息API [DllImport("kernel32.dll")] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool GlobalMemoryStatusEx(ref MEMORY_INFO mi); //定义内存的信息结构 [StructLayout(LayoutKind.Sequential)] private struct MEMORY_INFO { public uint DWLength; //当前结构体大小 public uint DWMemoryLoad; //当前内存使用率 public ulong ullTotalPhys; //总计物理内存大小 public ulong ullAvailPhys; //可用物理内存大小 public ulong ullTotalPagefile; //总计交换文件大小 public ulong ullAvailPagefile; //总计交换文件大小 public ulong ullTotalVirtual; //总计虚拟内存大小 public ulong ullAvailVirtual; //可用虚拟内存大小 public ulong ullAvailExtendedVirtual; //保留 这个值始终为0 } private static MEMORY_INFO GetMemoryInfo() { MEMORY_INFO MemoryInfo = new MEMORY_INFO(); MemoryInfo.DWLength = (uint)System.Runtime.InteropServices.Marshal.SizeOf(MemoryInfo); GlobalMemoryStatusEx(ref MemoryInfo); return MemoryInfo; } #endregion /// <summary> /// 获取系统内存 /// </summary> /// <returns></returns> public static string GetSysMemory() { MEMORY_INFO MemoryInfo = GetMemoryInfo(); return ConvertBytes((long)MemoryInfo.ullTotalPhys); } /// <summary> /// 获取剩余内存 /// </summary> /// <returns></returns> public static string GetUnUsedMemory() { MEMORY_INFO MemoryInfo = GetMemoryInfo(); return ConvertBytes((long)MemoryInfo.ullAvailPhys); } /// <summary> /// 获取已使用内存 /// </summary> /// <returns></returns> public static string GetUsedMemory() { MEMORY_INFO MemoryInfo = GetMemoryInfo(); return ConvertBytes((long)(MemoryInfo.ullTotalPhys - MemoryInfo.ullAvailPhys)); } /// <summary> /// 获取应用使用内存 /// </summary> /// <param name="appName"></param> /// <returns></returns> public static string GetAppMemory(string appName) { Process CurrentProcess = Process.GetProcessesByName(appName)[0]; PerformanceCounter Perform = new PerformanceCounter("Process", "Working Set - Private", CurrentProcess.ProcessName); return ConvertBytes((long)Perform.NextValue()); } /// <summary> /// 获取当前应用使用内存 /// </summary> /// <returns></returns> public static string GetCurrentAppMemory() { long memory = Process.GetCurrentProcess().PrivateMemorySize64; return ConvertBytes(memory); } #endregion #region CPU /// <summary> /// 获取CPU使用率 /// </summary> /// <returns></returns> public static string GetUsedCPU() { ManagementClass mc = new ManagementClass("Win32_PerfFormattedData_PerfOS_Processor"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { if (mo["Name"].ToString() == "_Total") { list.Add(mo["PercentProcessorTime"].ToString()); } } return list.Sum(s => int.Parse(s)) + "%"; } #endregion #region 硬盘 public static string GetUsedDisk() { ManagementClass mc = new ManagementClass("Win32_PerfFormattedData_PerfDisk_PhysicalDisk"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { if (mo["Name"].ToString() == "_Total") { list.Add(mo["PercentDiskTime"].ToString()); } } return list.Sum(s => int.Parse(s)) + "%"; } #endregion #region 电脑信息 /// <summary> /// 获取CPU序列号 /// </summary> /// <returns></returns> public static string GetCpuID() { ManagementClass mc = new ManagementClass("Win32_Processor"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { list.Add(mo.Properties["ProcessorId"].Value.ToString()); } return string.Join("|", list); //若需要获取所有属性，可迭代ManagementObject.Properties //foreach (PropertyData pd in mo.Properties) //{ // Console.WriteLine(pd.Name + "----" + pd.Value); //} } /// <summary> /// 获取Mac地址 /// </summary> /// <returns></returns> public static string GetMac() { ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { if ((bool)mo["IPEnabled"] == true) { list.Add(mo["MacAddress"].ToString()); } } return string.Join("|", list); } /// <summary> /// 获取IP地址 /// </summary> /// <returns></returns> public static string GetIp() { ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { if ((bool)mo["IPEnabled"] == true) { list.Add(((Array)mo.Properties["IpAddress"].Value).GetValue(0).ToString()); } } return string.Join("|", list); } /// <summary> /// 获取硬盘序列号 /// </summary> /// <returns></returns> public static string GetDiskID() { ManagementClass mc = new ManagementClass("Win32_DiskDrive"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { list.Add(mo.Properties["Model"].Value.ToString()); } return string.Join("|", list); } /// <summary> /// 获取系统名称 /// </summary> /// <returns></returns> public static string GetSystemName() { ManagementClass mc = new ManagementClass("Win32_ComputerSystem"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { list.Add(mo["Name"].ToString()); } return string.Join("|", list); // return System.Environment.GetEnvironmentVariable("ComputerName") } /// <summary> /// 获取当前登录用户 /// </summary> /// <returns></returns> public static string GetLoginUser() { ManagementClass mc = new ManagementClass("Win32_ComputerSystem"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { list.Add(mo["UserName"].ToString()); } return string.Join("|", list); } /// <summary> /// 获取电脑类型 /// </summary> /// <returns></returns> public static string GetPcType() { ManagementClass mc = new ManagementClass("Win32_ComputerSystem"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { list.Add(mo["SystemType"].ToString()); } return string.Join("|", list); } /// <summary> /// 获取系统内存 /// </summary> /// <returns></returns> public static string GetSysMemory2() { ManagementClass mc = new ManagementClass("Win32_ComputerSystem"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { list.Add(mo["TotalPhysicalMemory"].ToString()); } return string.Join("|", list); } /// <summary> /// 获取剩余内存 /// </summary> /// <returns></returns> public static string GetUnUsedMemory2() { ManagementClass mc = new ManagementClass("Win32_PerfFormattedData_PerfOS_Memory"); ManagementObjectCollection moc = mc.GetInstances(); long memory = 0; foreach (ManagementObject mo in moc) { memory += long.Parse(mo.Properties["AvailableMBytes"].Value.ToString()); } return ConvertBytes(memory); } /// <summary> /// 获取电脑品牌 /// </summary> /// <returns></returns> public static string GetPcBrand() { ManagementClass mc = new ManagementClass("Win32_ComputerSystem"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { list.Add(mo["Manufacturer"].ToString()); } return string.Join("|", list); } /// <summary> /// 获取电脑型号 /// </summary> /// <returns></returns> public static string GetPcModel() { ManagementClass mc = new ManagementClass("Win32_ComputerSystem"); ManagementObjectCollection moc = mc.GetInstances(); List<string> list = new List<string>(); foreach (ManagementObject mo in moc) { list.Add(mo["SystemFamily"].ToString()); } return string.Join("|", list); } #endregion public static string ConvertBytes(long len) { double dlen = len; string[] sizes = { "B", "KB", "MB", "GB", "TB" }; int order = 0; while (dlen >= 1024 && order + 1 < sizes.Length) { order++; dlen = dlen / 1024; } return String.Format("{0:0.##} {1}", dlen, sizes[order]); } }
