using System;
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using System.Diagnostics;
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using System.Management;
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using System.Text;
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namespace HDLCloudMonitor.InfoMonitor
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{
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/// <summary>
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/// windows api 名称
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/// </summary>
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public enum WindowsAPIType
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{
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/// <summary>
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/// 内存
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/// </summary>
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Win32_PhysicalMemory,
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/// <summary>
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/// cpu
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/// </summary>
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Win32_Processor,
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/// <summary>
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/// 硬盘
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/// </summary>
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win32_DiskDrive,
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/// <summary>
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/// 电脑型号
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/// </summary>
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Win32_ComputerSystemProduct,
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/// <summary>
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/// 分辨率
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/// </summary>
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Win32_DesktopMonitor,
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/// <summary>
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/// 显卡
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/// </summary>
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Win32_VideoController,
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/// <summary>
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/// 操作系统
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/// </summary>
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Win32_OperatingSystem
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}
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public enum WindowsAPIKeys
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{
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/// <summary>
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/// 名称
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/// </summary>
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Name,
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/// <summary>
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/// 显卡芯片
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/// </summary>
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VideoProcessor,
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/// <summary>
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/// 显存大小
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/// </summary>
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AdapterRAM,
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/// <summary>
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/// 分辨率宽
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/// </summary>
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ScreenWidth,
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/// <summary>
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/// 分辨率高
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/// </summary>
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ScreenHeight,
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/// <summary>
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/// 电脑型号
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/// </summary>
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Version,
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/// <summary>
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/// 硬盘容量
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/// </summary>
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Size,
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/// <summary>
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/// 内存容量
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/// </summary>
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Capacity,
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/// <summary>
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/// cpu核心数
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/// </summary>
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NumberOfCores
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}
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/// <summary>
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/// 电脑信息类 单例
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/// </summary>
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public class Computer
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{
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public static Computer _instance;
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private static readonly object _lock = new object();
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static readonly PerformanceCounter cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");
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static readonly PerformanceCounter ramCounter = new PerformanceCounter("Memory", "Available MBytes");
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static readonly PerformanceCounter uptime = new PerformanceCounter("System", "System Up Time");
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public Computer()
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{ }
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public static Computer CreateComputer()
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{
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if (_instance == null)
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{
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lock (_lock)
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{
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if (_instance == null)
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{
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_instance = new Computer();
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}
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}
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}
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return _instance;
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}
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/// <summary>
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/// 当前物理内存使用率
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/// </summary>
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/// <returns></returns>
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public string GetPhysicalMemory()
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{
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string str = null;
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ManagementObjectSearcher objCS = new ManagementObjectSearcher("SELECT * FROM Win32_ComputerSystem");
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foreach (ManagementObject objMgmt in objCS.Get())
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{
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str = objMgmt["totalphysicalmemory"].ToString();
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}
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return str;
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}
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/// <summary>
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/// 当前CPU状态
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/// </summary>
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/// <returns></returns>
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public int getCurrentCpuUsage()
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{
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return (int)cpuCounter.NextValue();
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}
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/// <summary>
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/// 内存
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/// </summary>
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/// <returns></returns>
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public string getAvailableRAM()
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{
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var a = ramCounter.RawValue;
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var b = ramCounter.NextValue();
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var c = ramCounter.NextSample().RawValue;
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return b + "MB";
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}
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public int GetMemoryRunStatus()
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{
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//获取总物理内存大小
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ManagementClass cimobject1 = new ManagementClass("Win32_PhysicalMemory");
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ManagementObjectCollection moc1 = cimobject1.GetInstances();
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double available = 0, capacity = 0;
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foreach (ManagementObject mo1 in moc1)
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{
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capacity += ((Math.Round(Int64.Parse(mo1.Properties["Capacity"].Value.ToString()) / 1024 / 1024 / 1024.0, 1)));
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}
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moc1.Dispose();
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cimobject1.Dispose();
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//获取内存可用大小
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ManagementClass cimobject2 = new ManagementClass("Win32_PerfFormattedData_PerfOS_Memory");
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ManagementObjectCollection moc2 = cimobject2.GetInstances();
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foreach (ManagementObject mo2 in moc2)
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{
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available += ((Math.Round(Int64.Parse(mo2.Properties["AvailableMBytes"].Value.ToString()) / 1024.0, 1)));
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}
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moc2.Dispose();
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cimobject2.Dispose();
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return (int)(Math.Round((capacity - available) / capacity * 100, 0));
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}
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/// <summary>
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/// 获取系统内存大小
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/// </summary>
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/// <returns>内存大小（单位M）</returns>
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public string GetPhisicalMemory()
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{
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ManagementObjectSearcher searcher = new ManagementObjectSearcher(); //用于查询一些如系统信息的管理对象
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searcher.Query = new SelectQuery(WindowsAPIType.Win32_PhysicalMemory.ToString(), "",
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new string[] { WindowsAPIKeys.Capacity.ToString() });//设置查询条件
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ManagementObjectCollection collection = searcher.Get(); //获取内存容量
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ManagementObjectCollection.ManagementObjectEnumerator em = collection.GetEnumerator();
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long capacity = 0;
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while (em.MoveNext())
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{
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ManagementBaseObject baseObj = em.Current;
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if (baseObj.Properties[WindowsAPIKeys.Capacity.ToString()].Value != null)
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{
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try
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{
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capacity += long.Parse(baseObj.Properties[WindowsAPIKeys.Capacity.ToString()].Value.ToString());
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}
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catch
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{
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return "查询失败";
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}
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}
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}
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return ToGB((double)capacity, 1024.0);
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}
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/// <summary>
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/// 将字节转换为GB
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/// </summary>
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/// <param name="size">字节值</param>
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/// <param name="mod">除数，硬盘除以1000，内存除以1024</param>
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/// <returns></returns>
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public static string ToGB(double size, double mod)
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{
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String[] units = new String[] { "B", "KB", "MB", "GB", "TB", "PB" };
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int i = 0;
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while (size >= mod)
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{
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size /= mod;
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i++;
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}
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return Math.Round(size) + units[i];
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}
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}
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}
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