本文主要是介绍C#利用Wmi远程控制pc或者获取远程pc的配置信息,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
WMI是Windows Management Instrumentation的简称,即:视窗管理规范。在Windows 2000或以后的版本中均安装得有,NT4.0则需要安装WMI的核心组件。通过WMI可以获取远程计算机的各种数据信息,控制远程计算机的各种行为,而这就像操作本地机一样方便、简单。一.WMI简介
WMI从根本上说应该为一种服务,并且对于本地不同的用户,WMI所有的权限也不一样。计算机超级用户可以为计算机中的每一个用户,设定不同的WMI权限。在默认状态下,超级用户拥有WMI的一切权限。提供WMI服务是通过程序"WinMgmt.exe"来实现的。可以从"System32/Wbem"目录中找到这个文件。
既然是服务,计算机使用者就可以享受这种服务,同样也可以关闭这种服务。具体的操作是:按顺序打开【控制面板】|【管理工具】|【组件服务】。WMI服务在组件服务中的显示名称为"Windows Management Instrumentation"。具体如下图01所示:
![]() 图01:组件服务窗口 |
选中【名称】栏中"Windows Management Instrumentation",点击鼠标右键,在弹出的菜单中,选择【属性】,在【启动类型】选择框中选择"已禁用",然后在单击【停止】按钮,这样本地的WMI服务也就被关闭了。此时所有本地和远程的WMI调用均为非法。下图为关闭WMI服务后的界面:
![]() 关闭WMI服务 |
计算机的超级用户在默认状态下拥有WMI的一切权限,并且可以为本地其他用户设置WMI权限。具体操作是,按顺序打开:【控制面板】|【管理工具】|【计算机管理】。选中【计算机管理】右边的【服务和应用程序】中的【WMI控件】。具体如图02所示:
![]() 图02:【计算机管理】对话框 |
点击鼠标右键,在弹出的菜单中,选择【属性】。弹出【WMI控件属性】对话框中,选择【安全】页面。具体如图03所示:
![]() 图03: 打开WMI安全设置界面 |
单击图9-4中【安全设置】按钮,弹出【安全设置Root】对话框,通过其中的【添加】和【删除】按钮,可以设定本地有哪些用户拥有WMI权限,并通过【权限】选择栏为每一个用户设置不同的权限,具体如图04所示:
![]() 图04:设定本地用户的WMI权限 |
通过上图,也可以发现计算机超级用户在默认状态的WMI权限都是允许的,并且这些权限都是无法删除的。
那么现在我们就使用以下代码来实现这一效果,因为WMI的语句有点象SQL语句。
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// win32_logicaldisk
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// 导入dll:解决方案 ==> 引用 ==> 添加引用 ==> COM ==> System.Management.dll --C:/WINDOWS/Microsoft.NET/Framework/v1.1.4322
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using System;
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using System.Management;
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class disk // 数据管理对象
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{
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public static void Main()
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{
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//创建 C: 的实例
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ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=/"c:/"");
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disk.Get();
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Console.WriteLine("磁盘大小"+disk["Size"]+"bytes"); //打印C:大小,单位bytes
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}
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}
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确定计算机名称或 IP 地址是物理计算机还是虚拟 IP 地址 CIMV2:Win32_ComputerSystem
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在远程计算机上运行进程 CIMV2:Win32_Process
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确定远程计算机中是否存在某个目录 CIMV2:Win32_Directory
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停止 / 启动 IIS System.Diagnostics.Process
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将程序集添加到全局程序集缓存 (GAC) System.Diagnostics.Process
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注册和配置 GAM 组件 COMAdmin 目录 (COM 1.0 )
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创建 Web 站点 System.DirectoryServices.DirectoryEntry
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// 可以用此方法来选择集合中的部份记录 "SELECT * FROM Win32_Service WHERE Name = 'ServiceName'",
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" Win32_LogicalDisk " 类 // 通过它我们可以查看到本地驱动器
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ManagementObjectSearcher query = new ManagementObjectSearcher( " SELECT * From Win32_LogicalDisk " ); // 查询
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ManagementObjectCollection queryCollection = query.Get(); // Get获取集合并赋给 Collention
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foreach ( ManagementObject mo in queryCollection) // 偏历集合
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{
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Console.WriteLine("type:"+mo["DriveType"].ToString());
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sConsole.WriteLine("Drive: " + mo["Name"].ToString()); //打印出所有驱动器
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}
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" Win32_Environment " 类 // 环境变量
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using System;
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using System.Management;
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public class EnumerateInstances
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{
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public static void Main()
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{
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SelectQuery query = new SelectQuery("Win32_Environment");
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ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);
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foreach (ManagementBaseObject envVar in searcher.Get())
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Console.WriteLine("Variable : {0}, Value = {1}",envVar["Name"],envVar["VariableValue"]);
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}
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}
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" Win32_OperatingSystem " 类 // 操作系统信息
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Console.WriteLine( " 操作系统: " + mo[ " Caption " ]);
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Console.WriteLine( " 版本号: " + mo[ " Version " ]);
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Console.WriteLine( " 制造商: " + mo[ " Manufacturer " ]);
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Console.WriteLine( " 计算机名: " + mo[ " csname " ]);
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Console.WriteLine( " Windows目录: " + mo[ " WindowsDirectory " ]);
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" Win32_Service " 类 // 系统服务
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// 输出默认站点的目录结构
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using System;
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using System.DirectoryServices;
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class IISFolderList
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{
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static void ListFolder(DirectoryEntry paraEntry, int paraIndent)
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{
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for(int i=paraIndent; i>0; i--)
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Console.Write(' ');
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Console.WriteLine(paraEntry.Name);
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paraIndent++;
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foreach(DirectoryEntry tempEntry in paraEntry.Children)
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ListFolder(tempEntry,paraIndent);
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paraEntry.Dispose();
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}
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static void Main(string[] args)
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{
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ListFolder(new DirectoryEntry("IIS://localhost/W3SVC/1/Root"),0);
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}
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}
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