本文介绍Windows Management Instrumentation (WMI)的基本概念，并提供了一系列实际应用案例，包括获取磁盘信息、控制共享资源、修改IP设置、远程重启计算机、创建及终止进程等。
1.WMI简介
WMI是英文Windows Management Instrumentation的简写，它的功能主要是：访问本地主机的一些信息和服务，可以管理远程计算机（当然你必须要拥有足够的权限），比如：重启，关机，关闭进程，创建进程等。
2.使用时首先添加System.Management.dll，然后引用
using System.Management;using System.Threading; 3.1 html代码
<HTML> <HEAD> <title>WMITest</title> <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1"> <meta name="CODE_LANGUAGE" Content="C#"> <meta name="vs_defaultClientScript" content="JavaScript"> <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5"> </HEAD> <body MS_POSITIONING="GridLayout"> <form id="Form1" method="post" runat="server"> <FONT face="宋体"> <asp:Button id="Button1" style="Z-INDEX: 101; LEFT: 48px; POSITION: absolute; TOP: 16px" runat="server" Text="获得本地磁盘的信息" Width="152px"></asp:Button> <asp:Button id="Button2" style="Z-INDEX: 102; LEFT: 32px; POSITION: absolute; TOP: 56px" runat="server" Text="获得指定磁盘的容量" Width="144px"></asp:Button> <asp:Button id="Button3" style="Z-INDEX: 103; LEFT: 32px; POSITION: absolute; TOP: 96px" runat="server" Text="列出机器中所有的共享资源" Width="192px"></asp:Button> <asp:Button id="Button4" style="Z-INDEX: 104; LEFT: 8px; POSITION: absolute; TOP: 128px" runat="server" Text="控制让系统中的某个文件夹共享或取消共享" Width="264px"></asp:Button> <asp:Button id="Button5" style="Z-INDEX: 105; LEFT: 48px; POSITION: absolute; TOP: 160px" runat="server" Text="获得系统服务的运行状态"></asp:Button> <asp:Button id="Button6" style="Z-INDEX: 106; LEFT: 40px; POSITION: absolute; TOP: 192px" runat="server" Text="通过WMI修改IP，而实现不用重新启动" Width="248px"></asp:Button> <asp:Button id="Button7" style="Z-INDEX: 107; LEFT: 24px; POSITION: absolute; TOP: 224px" runat="server" Text="如何利用WMI远程重启远程计算机" Width="232px"></asp:Button> <asp:Button id="Button8" style="Z-INDEX: 108; LEFT: 40px; POSITION: absolute; TOP: 264px" runat="server" Text="利用WMI创建一个新的进程" Width="192px"></asp:Button> <asp:Button id="Button9" style="Z-INDEX: 109; LEFT: 32px; POSITION: absolute; TOP: 296px" runat="server" Text="如何通过WMI终止一个进程" Width="192px"></asp:Button> <asp:Button id="Button10" style="Z-INDEX: 110; LEFT: 32px; POSITION: absolute; TOP: 328px" runat="server" Text="如何用WMI 来获取远程机器的目录以及文件" Width="280px"></asp:Button> <asp:Button id="Button11" style="Z-INDEX: 111; LEFT: 424px; POSITION: absolute; TOP: 24px" runat="server" Text="网卡的MAC地址" Width="120px"></asp:Button> <asp:Button id="Button12" style="Z-INDEX: 112; LEFT: 456px; POSITION: absolute; TOP: 64px" runat="server" Text="CPU的系列号 " Width="104px"></asp:Button> <asp:Button id="Button13" style="Z-INDEX: 113; LEFT: 448px; POSITION: absolute; TOP: 120px" runat="server" Text="主板的系列号"></asp:Button> <asp:Button id="Button14" style="Z-INDEX: 114; LEFT: 472px; POSITION: absolute; TOP: 160px" runat="server" Text="获取硬盘ID"></asp:Button> <asp:Button id="Button15" style="Z-INDEX: 115; LEFT: 448px; POSITION: absolute; TOP: 208px" runat="server" Text="获取本机的用户列表" Width="144px"></asp:Button></FONT> </form> </body></HTML>public class WMITest : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button2; protected System.Web.UI.WebControls.Button Button3; protected System.Web.UI.WebControls.Button Button4; protected System.Web.UI.WebControls.Button Button5; protected System.Web.UI.WebControls.Button Button6; protected System.Web.UI.WebControls.Button Button7; protected System.Web.UI.WebControls.Button Button8; protected System.Web.UI.WebControls.Button Button9; protected System.Web.UI.WebControls.Button Button10; protected System.Web.UI.WebControls.Button Button11; protected System.Web.UI.WebControls.Button Button12; protected System.Web.UI.WebControls.Button Button13; protected System.Web.UI.WebControls.Button Button14; protected System.Web.UI.WebControls.Button Button15; protected System.Web.UI.WebControls.Button Button1; private void Page_Load(object sender, System.EventArgs e)
{ // Put user code to initialize the page here
} Web Form Designer generated code#region Web Form Designer generated code override protected void OnInit(EventArgs e) { // // CODEGEN: This call is required by the ASP.NET Web Form Designer. // InitializeComponent(); base.OnInit(e); } /**//// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { this.Button1.Click += new System.EventHandler(this.Button1_Click); this.Button2.Click += new System.EventHandler(this.Button2_Click); this.Button3.Click += new System.EventHandler(this.Button3_Click); this.Button4.Click += new System.EventHandler(this.Button4_Click); this.Button5.Click += new System.EventHandler(this.Button5_Click); this.Button6.Click += new System.EventHandler(this.Button6_Click); this.Button7.Click += new System.EventHandler(this.Button7_Click); this.Button8.Click += new System.EventHandler(this.Button8_Click); this.Button9.Click += new System.EventHandler(this.Button9_Click); this.Button10.Click += new System.EventHandler(this.Button10_Click); this.Button11.Click += new System.EventHandler(this.Button11_Click); this.Button12.Click += new System.EventHandler(this.Button12_Click); this.Button13.Click += new System.EventHandler(this.Button13_Click); this.Button14.Click += new System.EventHandler(this.Button14_Click); this.Button15.Click += new System.EventHandler(this.Button15_Click); this.Load += new System.EventHandler(this.Page_Load); } #endregion 1.如何用WMI获得指定磁盘的容量#region 1.如何用WMI获得指定磁盘的容量 private string DriveType(string type) { string rtntype=""; switch (type) { case "1": rtntype="Not Type"; break; case "2": rtntype="Floppy disk"; break; case "3": rtntype="Hard disk"; break; case "4": rtntype="Removable drive or network drive"; break; case "5": rtntype="CD-ROM"; break; case "6": rtntype="RAM disk"; break; default : break; } return rtntype; } private void Button1_Click(object sender, System.EventArgs e) { SelectQuery query=new SelectQuery("Select * From Win32_LogicalDisk"); ManagementObjectSearcher searcher=new ManagementObjectSearcher(query); foreach(ManagementBaseObject disk in searcher.Get()) { Response.Write(disk["Name"] +" "+DriveType(disk["DriveType"].ToString()) + " " + disk["VolumeName"]+"<br>"); } } #endregion 2.如何用WMI获得指定磁盘的容量#region 2.如何用WMI获得指定磁盘的容量 private void Button2_Click(object sender, System.EventArgs e) { ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=/"c:/""); disk.Get(); Response.Write("Logical Disk Size = " + disk["Size"] + " bytes"); } #endregion 3.如何列出机器中所有的共享资源#region 3.如何列出机器中所有的共享资源 private void Button3_Click(object sender, System.EventArgs e) { ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_share"); foreach (ManagementObject share in searcher.Get()) { Response.Write(share.GetText(TextFormat.Mof)); } } #endregion 4.怎样写程控制让系统中的某个文件夹共享或取消共享#region 4.怎样写程控制让系统中的某个文件夹共享或取消共享 private void Button4_Click(object sender, System.EventArgs e) { /**//*首先，这需要以有相应权限的用户登录系统才行 将 object[] obj = {"C://Temp","我的共享",0,10,"Dot Net 实现的共享",""}; 改为 object[] obj = {"C://Temp","我的共享",0,null,"Dot Net 实现的共享",""}; 就可以实现授权给最多用户了。 */ ManagementClass _class = new ManagementClass(new ManagementPath("Win32_Share")); object[] obj = {"C://Temp","我的共享",0,10,"Dot Net 实现的共享",""}; _class.InvokeMethod("create",obj); } #endregion 5.如何获得系统服务的运行状态#region 5.如何获得系统服务的运行状态 private void Button5_Click(object sender, System.EventArgs e) { string[] lvData = new string[4]; ManagementObjectSearcher searcher =new ManagementObjectSearcher("SELECT * FROM Win32_Service"); foreach (ManagementObject mo in searcher.Get()) { lvData[0] = mo["Name"].ToString(); lvData[1] = mo["StartMode"].ToString(); if (mo["Started"].Equals(true)) lvData[2] = "Started"; else lvData[2] = "Stop"; lvData[3] = mo["StartName"].ToString(); Response.Write(lvData[0]+lvData[1]+lvData[2]+lvData[3]); } } #endregion 6.通过WMI修改IP，而实现不用重新启动#region 6.通过WMI修改IP，而实现不用重新启动 private void Button6_Click(object sender, System.EventArgs e) { ReportIP(); // SwitchToDHCP(); SwitchToprivate(); Thread.Sleep( 5000 ); ReportIP(); Response.Write( "end." ); } private void SwitchToDHCP() { ManagementBaseObject inPar = null; ManagementBaseObject outPar = null; ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection moc = mc.GetInstances(); foreach( ManagementObject mo in moc ) { if( ! (bool) mo["IPEnabled"] ) continue; inPar = mo.GetMethodParameters("EnableDHCP"); outPar = mo.InvokeMethod( "EnableDHCP", inPar, null ); break; } } private void SwitchToprivate() { ManagementBaseObject inPar = null; ManagementBaseObject outPar = null; ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection moc = mc.GetInstances(); foreach( ManagementObject mo in moc ) { if( ! (bool) mo[ "IPEnabled" ] ) continue; inPar = mo.GetMethodParameters( "Enableprivate" ); inPar["IPAddress"] = new string[] { "192.168.1.1" }; inPar["SubnetMask"] = new string[] { "255.255.255.0" }; outPar = mo.InvokeMethod( "Enableprivate", inPar, null ); break; } } private void ReportIP() { Response.Write( "****** Current IP addresses:" ); ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection moc = mc.GetInstances(); foreach( ManagementObject mo in moc ) { if( ! (bool) mo[ "IPEnabled" ] ) continue; string str="{0}/n SVC: '{1}' MAC: [{2}]"; str= string.Format(mo["Caption"].ToString(), mo["ServiceName"].ToString(),mo["MACAddress"].ToString()); Response.Write(str); string[] addresses = (string[]) mo[ "IPAddress" ]; string[] subnets = (string[]) mo[ "IPSubnet" ]; Response.Write( " Addresses :" ); foreach(string sad in addresses) Response.Write(sad+"<br>"); Response.Write( " Subnets :" ); foreach(string sub in subnets ) Response.Write(sub+"<br>"); } } #endregion 7.如何利用WMI远程重启远程计算机#region 7.如何利用WMI远程重启远程计算机 private void Button7_Click(object sender, System.EventArgs e) { Response.Write("Computer details retrieved using Windows Management Instrumentation (WMI)"); Response.Write("mailto:singlepine@hotmail.com"); Response.Write("========================================================================="); //连接远程计算机 ConnectionOptions co = new ConnectionOptions(); co.Username = "john"; co.Password = "john"; System.Management.ManagementScope ms = new System.Management.ManagementScope("////192.168.1.2//root//cimv2", co); //查询远程计算机 System.Management.ObjectQuery oq = new System.Management.ObjectQuery("SELECT * FROM Win32_OperatingSystem"); ManagementObjectSearcher query1 = new ManagementObjectSearcher(ms,oq); ManagementObjectCollection queryCollection1 = query1.Get(); foreach( ManagementObject mo in queryCollection1 ) { string[] ss={""}; mo.InvokeMethod("Reboot",ss); Response.Write(mo.ToString()); } } #endregion 8.利用WMI创建一个新的进程#region 8.利用WMI创建一个新的进程 private void Button8_Click(object sender, System.EventArgs e) { //Get the object on which the method will be invoked ManagementClass processClass = new ManagementClass("Win32_Process"); //Get an input parameters object for this method ManagementBaseObject inParams = processClass.GetMethodParameters("Create"); //Fill in input parameter values inParams["CommandLine"] = "calc.exe"; //Execute the method ManagementBaseObject outParams = processClass.InvokeMethod ("Create", inParams, null); //Display results //Note: The return code of the method is provided in the "returnvalue" property of the outParams object Response.Write("Creation of calculator process returned: " + outParams["returnvalue"]); Response.Write("Process ID: " + outParams["processId"]); } #endregion 9.如何通过WMI终止一个进程#region 9.如何通过WMI终止一个进程 private void Button9_Click(object sender, System.EventArgs e) { ManagementObject service = new ManagementObject("win32_service=/"winmgmt/""); InvokeMethodOptions options = new InvokeMethodOptions(); options.Timeout = new TimeSpan(0,0,0,5); ManagementBaseObject outParams = service.InvokeMethod("StopService", null, options); Response.Write("Return Status = " + outParams["Returnvalue"]); } #endregion 10.如何用WMI 来获取远程机器的目录以及文件#region 10.如何用WMI 来获取远程机器的目录以及文件 private void Button10_Click(object sender, System.EventArgs e) { ManagementObject disk = new ManagementObject( "win32_logicaldisk.deviceid=/"c:/""); disk.Get(); Response.Write("Logical Disk Size = " + disk["Size"] + " bytes"); } #endregion 11.网卡的MAC地址#region 11.网卡的MAC地址 private void Button11_Click(object sender, System.EventArgs e) { ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection moc = mc.GetInstances(); foreach(ManagementObject mo in moc) { if((bool)mo["IPEnabled"] == true) Response.Write("MAC address"+mo["MacAddress"].ToString()+"<br>"); mo.Dispose(); } } #endregion 12.CPU的系列号#region 12.CPU的系列号 private void Button12_Click(object sender, System.EventArgs e) { 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(cpuInfo); } } #endregion 13.主板的系列号#region 13.主板的系列号 private void Button13_Click(object sender, System.EventArgs e) { ManagementObjectSearcher searcher=new ManagementObjectSearcher("SELECT * FROM Win32_BaseBoard"); foreach(ManagementObject share in searcher.Get()) { Response.Write("主板制造商:" + share["Manufacturer"].ToString()) ; Response.Write("型号:" +share["Product"].ToString()) ; Response.Write("序列号:"+share["SerialNumber"].ToString()) ; } } #endregion 14.获取硬盘ID#region 14.获取硬盘ID private void Button14_Click(object sender, System.EventArgs e) { String HDid; ManagementClass cimobject = new ManagementClass("Win32_DiskDrive"); ManagementObjectCollection moc = cimobject.GetInstances(); foreach(ManagementObject mo in moc) { HDid = (string)mo.Properties["Model"].Value; Response.Write(HDid); } } #endregion 15.获取本机的用户列表#region 15.获取本机的用户列表 private void Button15_Click(object sender, System.EventArgs e) { SelectQuery query = new SelectQuery("SELECT * FROM Win32_UserAccount"); ManagementObjectSearcher searcher = new ManagementObjectSearcher(query); foreach(ManagementObject os in searcher.Get()) { Response.Write(os["Name"]); } } #endregion
}
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