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C# 获取Windows系统信息以及CPU、内存和磁盘使用情况
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2023年2月27日 10:36 本文热度 2186

    一个简单的小工具，主要用来获取当期的电脑信息以及内存的使用情况。本来也没想着写这个玩意，还不如随便下个相关的软件好使，但是前一段时间为了追查系统卡顿的问题，所以就加上了一段统计内存的代码，用来看看是否由这个引起的。

既然统计了内存相关的数据，干脆一不做二不休，又加了下CPU以及硬盘的使用情况统计。

统计的准确不准确我也不好说，因为我也不太能确定，暂且就做个参考值吧。或许使用很多大佬封装过的第三方DLL会准确很多。

下面工具中还展示了部分关于电脑的基本信息数据，这个在之前的时候应该是有发过，我只是单纯的拿了过来（功能实现的多看着洋气）。

主要还是使用windows WMI，虽然下列关于内存情况的统计没用（但其实也可以统计到），因为我感觉这个方式可能稍微准确点。。。

实现功能：

    • 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]);        }    }

实现效果：



该文章在 2023/2/27 10:36:58 编辑过
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