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C# 获取USB设备信息

发布时间：2020-12-15 19:53:38 所属栏目：百科 来源：网络整理
导读：WMI方式 using System; using System.Management; using System.Text.RegularExpressions; using System.Collections.Generic; ? namespace Splash.IO.PORTS { ???? /// summary ???? /// 即插即用设备信息结构 ???? /// /summary ???? public ? struct PnPE

WMI方式

using System;
using System.Management;
using System.Text.RegularExpressions;
using System.Collections.Generic;
?
namespace Splash.IO.PORTS
{
???? /// <summary>
???? /// 即插即用设备信息结构
???? /// </summary>
???? public? struct PnPEntityInfo
???? {
???????? public? String PNPDeviceID;????? // 设备ID
???????? public? String Name ;???????????? // 设备名称
???????? public? String Description;????? // 设备描述
???????? public? String Service;????????? // 服务
???????? public? String Status;?????????? // 设备状态
???????? public? UInt16 VendorID;???????? // 供应商标识
???????? public? UInt16 ProductID;??????? // 产品编号
???????? public? Guid ClassGuid;????????? // 设备安装类GUID
???? }???
?
???? /// <summary>
???? /// 基于WMI获取USB设备信息
???? /// </summary>
???? public? partial? class USB
???? {?????
???????? #region UsbDevice
???????? /// <summary>
???????? /// 获取所有的USB设备实体（过滤没有VID和PID的设备）
???????? /// </summary>
???????? public? static? PnPEntityInfo[] AllUsbDevices
???????? {
???????????? get
???????????? {
???????????????? return? WhoUsbDevice(UInt16.MinValue,UInt16.MinValue,Guid.Empty);
???????????? }
???????? }
?
???????? /// <summary>
???????? /// 查询USB设备实体（设备要求有VID和PID）
???????? /// </summary>
???????? /// <param name = "VendorID" >供应商标识，MinValue忽视</param>
???????? /// <param name = "ProductID" >产品编号，MinValue忽视</param>
???????? /// <param name = "ClassGuid" >设备安装类Guid，Empty忽视</param>
???????? /// < returns >设备列表</ returns >
???????? public? static? PnPEntityInfo[] WhoUsbDevice(UInt16 VendorID,UInt16 ProductID,Guid ClassGuid)
???????? {
???????????? List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
?
???????????? // 获取USB控制器及其相关联的设备实体
???????????? ManagementObjectCollection USBControllerDeviceCollection = new ManagementObjectSearcher( "SELECT * FROM Win32_USBControllerDevice" ).Get();
???????????? if (USBControllerDeviceCollection != null )
???????????? {
???????????????? foreach (ManagementObject USBControllerDevice in? USBControllerDeviceCollection)
???????????????? {?? // 获取设备实体的DeviceID
???????????????????? String Dependent = (USBControllerDevice[ "Dependent" ] as? String).Split(new Char [] { ‘=‘? })[1];
?
???????????????????? // 过滤掉没有VID和PID的USB设备
???????????????????? Match match = Regex.Match(Dependent, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}" );
???????????????????? if (match.Success)
???????????????????? {
???????????????????????? UInt16 theVendorID = Convert .ToUInt16(match.Value. Substring (4,4),16);?? // 供应商标识
???????????????????????? if (VendorID != UInt16.MinValue && VendorID != theVendorID) continue ;
?
???????????????????????? UInt16 theProductID = Convert .ToUInt16(match.Value. Substring (13,16); // 产品编号
???????????????????????? if (ProductID != UInt16.MinValue && ProductID != theProductID) continue ;
?
???????????????????????? ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher( "SELECT * FROM Win32_PnPEntity WHERE DeviceID="? + Dependent).Get();
???????????????????????? if (PnPEntityCollection != null )
???????????????????????? {
???????????????????????????? foreach (ManagementObject Entity in? PnPEntityCollection)
???????????????????????????? {
???????????????????????????????? Guid theClassGuid = new Guid(Entity[ "ClassGuid" ] as? String);??? // 设备安装类GUID
???????????????????????????????? if (ClassGuid != Guid.Empty && ClassGuid != theClassGuid) continue ;
?
???????????????????????????????? PnPEntityInfo Element;
???????????????????????????????? Element.PNPDeviceID = Entity[ "PNPDeviceID" ] as? String;? // 设备ID
???????????????????????????????? Element. Name? = Entity[ "Name" ] as? String;??????????????? // 设备名称
???????????????????????????????? Element.Description = Entity[ "Description" ] as? String;? // 设备描述
???????????????????????????????? Element.Service = Entity[ "Service" ] as? String;????????? // 服务
???????????????????????????????? Element.Status = Entity[ "Status" ] as? String;??????????? // 设备状态
???????????????????????????????? Element.VendorID = theVendorID;???? // 供应商标识
???????????????????????????????? Element.ProductID = theProductID;?? // 产品编号
???????????????????????????????? Element.ClassGuid = theClassGuid;?? // 设备安装类GUID
?
???????????????????????????????? UsbDevices. Add (Element);
???????????????????????????? }
???????????????????????? }
???????????????????? }
???????????????? }
???????????? }
?
???????????? if (UsbDevices. Count? == 0) return? null ; else? return? UsbDevices.ToArray();
???????? }
?
???????? /// <summary>
???????? /// 查询USB设备实体（设备要求有VID和PID）
???????? /// </summary>
???????? /// <param name = "VendorID" >供应商标识，MinValue忽视</param>
???????? /// <param name = "ProductID" >产品编号，MinValue忽视</param>
???????? /// < returns >设备列表</ returns >
???????? public? static? PnPEntityInfo[] WhoUsbDevice(UInt16 VendorID,UInt16 ProductID)
???????? {
???????????? return? WhoUsbDevice(VendorID,ProductID,Guid.Empty);
???????? }
?
???????? /// <summary>
???????? /// 查询USB设备实体（设备要求有VID和PID）
???????? /// </summary>
???????? /// <param name = "ClassGuid" >设备安装类Guid，Empty忽视</param>
???????? /// < returns >设备列表</ returns >
???????? public? static? PnPEntityInfo[] WhoUsbDevice(Guid ClassGuid)
???????? {
???????????? return? WhoUsbDevice(UInt16.MinValue,ClassGuid);
???????? }
?
???????? /// <summary>
???????? /// 查询USB设备实体（设备要求有VID和PID）
???????? /// </summary>
???????? /// <param name = "PNPDeviceID" >设备ID，可以是不完整信息</param>
???????? /// < returns >设备列表</ returns >???????
???????? public? static? PnPEntityInfo[] WhoUsbDevice(String PNPDeviceID)
???????? {
???????????? List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
?
???????????? // 获取USB控制器及其相关联的设备实体
???????????? ManagementObjectCollection USBControllerDeviceCollection = new ManagementObjectSearcher( "SELECT * FROM Win32_USBControllerDevice" ).Get();
???????????? if (USBControllerDeviceCollection != null )
???????????? {
???????????????? foreach (ManagementObject USBControllerDevice in? USBControllerDeviceCollection)
???????????????? {?? // 获取设备实体的DeviceID
???????????????????? String Dependent = (USBControllerDevice[ "Dependent" ] as? String).Split(new Char [] { ‘=‘? })[1];
???????????????????? if (!String.IsNullOrEmpty(PNPDeviceID))
???????????????????? {?? // 注意：忽视大小写
???????????????????????? if (Dependent.IndexOf(PNPDeviceID,1,PNPDeviceID.Length - 2,StringComparison.OrdinalIgnoreCase) == -1) continue ;
???????????????????? }
?
???????????????????? // 过滤掉没有VID和PID的USB设备
???????????????????? Match match = Regex.Match(Dependent, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}" );
???????????????????? if (match.Success)
???????????????????? {
???????????????????????? ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher( "SELECT * FROM Win32_PnPEntity WHERE DeviceID="? + Dependent).Get();
???????????????????????? if (PnPEntityCollection != null )
???????????????????????? {???????????????????????????
???????????????????????????? foreach (ManagementObject Entity in? PnPEntityCollection)
???????????????????????????? {
???????????????????????????????? PnPEntityInfo Element;
???????????????????????????????? Element.PNPDeviceID = Entity[ "PNPDeviceID" ] as? String;? // 设备ID
???????????????????????????????? Element. Name? = Entity[ "Name" ] as? String;??????????????? // 设备名称
???????????????????????????????? Element.Description = Entity[ "Description" ] as? String;? // 设备描述
???????????????????????????????? Element.Service = Entity[ "Service" ] as? String;????????? // 服务
???????????????????????????????? Element.Status = Entity[ "Status" ] as? String;??????????? // 设备状态
???????????????????????????????? Element.VendorID = Convert .ToUInt16(match.Value. Substring (4,16);?? // 供应商标识??
???????????????????????????????? Element.ProductID = Convert .ToUInt16(match.Value. Substring (13,16); // 产品编号???????????????????????? // 产品编号
???????????????????????????????? Element.ClassGuid = new Guid(Entity[ "ClassGuid" ] as? String);??????????? // 设备安装类GUID
?
???????????????????????????????? UsbDevices. Add (Element);
???????????????????????????? }
???????????????????????? }
???????????????????? }
???????????????? }
???????????? }
?
???????????? if (UsbDevices. Count? == 0) return? null ; else? return? UsbDevices.ToArray();
???????? }
?
???????? /// <summary>
???????? /// 根据服务定位USB设备
???????? /// </summary>
???????? /// <param name = "ServiceCollection" >要查询的服务集合</param>
???????? /// < returns >设备列表</ returns >
???????? public? static? PnPEntityInfo[] WhoUsbDevice(String[] ServiceCollection)
???????? {
???????????? if (ServiceCollection == null? || ServiceCollection.Length == 0)
???????????????? return? WhoUsbDevice(UInt16.MinValue,Guid.Empty);
?
???????????? List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
?
???????????? // 获取USB控制器及其相关联的设备实体
???????????? ManagementObjectCollection USBControllerDeviceCollection = new ManagementObjectSearcher( "SELECT * FROM Win32_USBControllerDevice" ).Get();
???????????? if (USBControllerDeviceCollection != null )
???????????? {
???????????????? foreach (ManagementObject USBControllerDevice in? USBControllerDeviceCollection)
???????????????? {?? // 获取设备实体的DeviceID
???????????????????? String Dependent = (USBControllerDevice[ "Dependent" ] as? String).Split(new Char [] { ‘=‘? })[1];???????????????????
?
???????????????????? // 过滤掉没有VID和PID的USB设备
???????????????????? Match match = Regex.Match(Dependent, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}" );
???????????????????? if (match.Success)
???????????????????? {
???????????????????????? ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher( "SELECT * FROM Win32_PnPEntity WHERE DeviceID="? + Dependent).Get();
???????????????????????? if (PnPEntityCollection != null )
???????????????????????? {
???????????????????????????? foreach (ManagementObject Entity in? PnPEntityCollection)
???????????????????????????? {
???????????????????????????????? String theService = Entity[ "Service" ] as? String;????????? // 服务
???????????????????????????????? if (String.IsNullOrEmpty(theService)) continue ;
?
???????????????????????????????? foreach (String Service in? ServiceCollection)
???????????????????????????????? {?? // 注意：忽视大小写
???????????????????????????????????? if (String.Compare(theService,Service, true ) != 0) continue ;
?
???????????????????????????????????? PnPEntityInfo Element;
???????????????????????????????????? Element.PNPDeviceID = Entity[ "PNPDeviceID" ] as? String;? // 设备ID
???????????????????????????????????? Element. Name? = Entity[ "Name" ] as? String;??????????????? // 设备名称
???????????????????????????????????? Element.Description = Entity[ "Description" ] as? String;? // 设备描述
???????????????????????????????????? Element.Service = theService;?????????????????????????? // 服务
???????????????????????????????????? Element.Status = Entity[ "Status" ] as? String;??????????? // 设备状态
???????????????????????????????????? Element.VendorID = Convert .ToUInt16(match.Value. Substring (4,16);?? // 供应商标识??
???????????????????????????????????? Element.ProductID = Convert .ToUInt16(match.Value. Substring (13,16); // 产品编号
???????????????????????????????????? Element.ClassGuid = new Guid(Entity[ "ClassGuid" ] as? String);??????????? // 设备安装类GUID
?
???????????????????????????????????? UsbDevices. Add (Element);
???????????????????????????????????? break;
???????????????????????????????? }
???????????????????????????? }
???????????????????????? }
???????????????????? }
???????????????? }
???????????? }
?
???????????? if (UsbDevices. Count? == 0) return? null ; else? return? UsbDevices.ToArray();
???????? }
???????? #endregion
?
???????? #region PnPEntity
???????? /// <summary>
???????? /// 所有即插即用设备实体（过滤没有VID和PID的设备）
???????? /// </summary>
???????? public? static? PnPEntityInfo[] AllPnPEntities
???????? {
???????????? get
???????????? {
???????????????? return? WhoPnPEntity(UInt16.MinValue,Guid.Empty);
???????????? }
???????? }
?
???????? /// <summary>
???????? /// 根据VID和PID及设备安装类GUID定位即插即用设备实体
???????? /// </summary>
???????? /// <param name = "VendorID" >供应商标识，MinValue忽视</param>
???????? /// <param name = "ProductID" >产品编号，MinValue忽视</param>
???????? /// <param name = "ClassGuid" >设备安装类Guid，Empty忽视</param>
???????? /// < returns >设备列表</ returns >
???????? /// <remarks>
???????? /// HID：{745a17a0-74d3-11d0-b6fe-00a0c90f57da}
???????? /// Imaging Device：{6bdd1fc6-810f-11d0-bec7-08002be2092f}
???????? /// Keyboard：{4d36e96b-e325-11ce-bfc1-08002be10318}
???????? /// Mouse：{4d36e96f-e325-11ce-bfc1-08002be10318}
???????? /// Network Adapter：{4d36e972-e325-11ce-bfc1-08002be10318}
???????? /// USB：{36fc9e60-c465-11cf-8056-444553540000}
???????? /// </remarks>
???????? public? static? PnPEntityInfo[] WhoPnPEntity(UInt16 VendorID,Guid ClassGuid)
???????? {
???????????? List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
?
???????????? // 枚举即插即用设备实体
???????????? String VIDPID;
???????????? if (VendorID == UInt16.MinValue)
???????????? {
???????????????? if (ProductID == UInt16.MinValue)
???????????????????? VIDPID = "‘%VID[_]____&PID[_]____%‘" ;
???????????????? else
???????????????????? VIDPID = "‘%VID[_]____&PID[_]"? + ProductID.ToString( "X4" ) + "%‘" ;??????
???????????? }
???????????? else
???????????? {
???????????????? if (ProductID == UInt16.MinValue)
???????????????????? VIDPID = "‘%VID[_]"? + VendorID.ToString( "X4" ) + "&PID[_]____%‘" ;
???????????????? else
???????????????????? VIDPID = "‘%VID[_]"? + VendorID.ToString( "X4" ) + "&PID[_]"? + ProductID.ToString( "X4" ) + "%‘" ;
???????????? }
?
???????????? String QueryString;
???????????? if (ClassGuid == Guid.Empty)
???????????????? QueryString = "SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE"? + VIDPID;
???????????? else
???????????????? QueryString = "SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE"? + VIDPID + " AND ClassGuid=‘"? + ClassGuid.ToString( "B" ) + "‘" ;
?
???????????? ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(QueryString).Get();
???????????? if (PnPEntityCollection != null )
???????????? {
???????????????? foreach (ManagementObject Entity in? PnPEntityCollection)
???????????????? {
???????????????????? String PNPDeviceID = Entity[ "PNPDeviceID" ] as? String;
???????????????????? Match match = Regex.Match(PNPDeviceID, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}" );
???????????????????? if (match.Success)
???????????????????? {
???????????????????????? PnPEntityInfo Element;
?
???????????????????????? Element.PNPDeviceID = PNPDeviceID;????????????????????? // 设备ID
???????????????????????? Element. Name? = Entity[ "Name" ] as? String;??????????????? // 设备名称
???????????????????????? Element.Description = Entity[ "Description" ] as? String;? // 设备描述
???????????????????????? Element.Service = Entity[ "Service" ] as? String;????????? // 服务
???????????????????????? Element.Status = Entity[ "Status" ] as? String;??????????? // 设备状态
???????????????????????? Element.VendorID = Convert .ToUInt16(match.Value. Substring (4,16);?? // 供应商标识
???????????????????????? Element.ProductID = Convert .ToUInt16(match.Value. Substring (13,16); // 产品编号
???????????????????????? Element.ClassGuid = new Guid(Entity[ "ClassGuid" ] as? String);??????????? // 设备安装类GUID
?
???????????????????????? PnPEntities. Add (Element);
???????????????????? }
???????????????? }
???????????? }
?
???????????? if (PnPEntities. Count? == 0) return? null ; else? return? PnPEntities.ToArray();
???????? }?
???????
???????? /// <summary>
???????? /// 根据VID和PID定位即插即用设备实体
???????? /// </summary>
???????? /// <param name = "VendorID" >供应商标识，MinValue忽视</param>
???????? /// <param name = "ProductID" >产品编号，MinValue忽视</param>
???????? /// < returns >设备列表</ returns >
???????? public? static? PnPEntityInfo[] WhoPnPEntity(UInt16 VendorID,UInt16 ProductID)
???????? {
???????????? return? WhoPnPEntity(VendorID,Guid.Empty);
???????? }
?
???????? /// <summary>
???????? /// 根据设备安装类GUID定位即插即用设备实体
???????? /// </summary>
???????? /// <param name = "ClassGuid" >设备安装类Guid，Empty忽视</param>
???????? /// < returns >设备列表</ returns >
???????? public? static? PnPEntityInfo[] WhoPnPEntity(Guid ClassGuid)
???????? {
???????????? return? WhoPnPEntity(UInt16.MinValue,ClassGuid);
???????? }
?
???????? /// <summary>
???????? /// 根据设备ID定位设备
???????? /// </summary>
???????? /// <param name = "PNPDeviceID" >设备ID，可以是不完整信息</param>
???????? /// < returns >设备列表</ returns >
???????? /// <remarks>
???????? /// 注意：对于下划线，需要写成“[_]”，否则视为任意字符
???????? /// </remarks>
???????? public? static? PnPEntityInfo[] WhoPnPEntity(String PNPDeviceID)
???????? {
???????????? List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
?
???????????? // 枚举即插即用设备实体
???????????? String QueryString;
???????????? if (String.IsNullOrEmpty(PNPDeviceID))
???????????? {
???????????????? QueryString = "SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE ‘%VID[_]____&PID[_]____%‘" ;
???????????? }
???????????? else
???????????? {?? // LIKE 子句中有反斜杠字符将会引发WQL查询异常
???????????????? QueryString = "SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE ‘%"? + PNPDeviceID. Replace (‘ ‘,‘ _ ‘) + "%‘ ";
???????????? }
?
???????????? ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(QueryString).Get();
???????????? if (PnPEntityCollection != null )
???????????? {
???????????????? foreach (ManagementObject Entity in? PnPEntityCollection)
???????????????? {
???????????????????? String thePNPDeviceID = Entity[ "PNPDeviceID" ] as? String;
???????????????????? Match match = Regex.Match(thePNPDeviceID, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}" );
???????????????????? if (match.Success)
???????????????????? {
???????????????????????? PnPEntityInfo Element;
?
???????????????????????? Element.PNPDeviceID = thePNPDeviceID;?????????????????? // 设备ID
???????????????????????? Element. Name? = Entity[ "Name" ] as? String;??????????????? // 设备名称
???????????????????????? Element.Description = Entity[ "Description" ] as? String;? // 设备描述
???????????????????????? Element.Service = Entity[ "Service" ] as? String;????????? // 服务
???????????????????????? Element.Status = Entity[ "Status" ] as? String;??????????? // 设备状态
???????????????????????? Element.VendorID = Convert .ToUInt16(match.Value. Substring (4,16);?? // 供应商标识
???????????????????????? Element.ProductID = Convert .ToUInt16(match.Value. Substring (13,16); // 产品编号
???????????????????????? Element.ClassGuid = new Guid(Entity[ "ClassGuid" ] as? String);??????????? // 设备安装类GUID
?
???????????????????????? PnPEntities. Add (Element);
???????????????????? }
???????????????? }
???????????? }
?
???????????? if (PnPEntities. Count? == 0) return? null ; else? return? PnPEntities.ToArray();
???????? }
?
???????? /// <summary>
???????? /// 根据服务定位设备
???????? /// </summary>
???????? /// <param name = "ServiceCollection" >要查询的服务集合， null 忽视</param>
???????? /// < returns >设备列表</ returns >
???????? /// <remarks>
???????? /// 跟服务相关的类：
???????? ///???? Win32_SystemDriverPNPEntity
???????? ///???? Win32_SystemDriver
???????? /// </remarks>
???????? public? static? PnPEntityInfo[] WhoPnPEntity(String[] ServiceCollection)
???????? {
???????????? if (ServiceCollection == null? || ServiceCollection.Length == 0)
???????????????? return? WhoPnPEntity(UInt16.MinValue,Guid.Empty);
?
???????????? List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
?
???????????? // 枚举即插即用设备实体
???????????? String QueryString = "SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE ‘%VID[_]____&PID[_]____%‘" ;
???????????? ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(QueryString).Get();
???????????? if (PnPEntityCollection != null )
???????????? {
???????????????? foreach (ManagementObject Entity in? PnPEntityCollection)
???????????????? {
???????????????????? String PNPDeviceID = Entity[ "PNPDeviceID" ] as? String;
???????????????????? Match match = Regex.Match(PNPDeviceID, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}" );
???????????????????? if (match.Success)
???????????????????? {
???????????????????????? String theService = Entity[ "Service" ] as? String;??????????? // 服务
???????????????????????? if (String.IsNullOrEmpty(theService)) continue ;
?
???????????????????????? foreach (String Service in? ServiceCollection)
???????????????????????? {?? // 注意：忽视大小写
???????????????????????????? if (String.Compare(theService, true ) != 0) continue ;
?
???????????????????????????? PnPEntityInfo Element;
?
???????????????????????????? Element.PNPDeviceID = PNPDeviceID;????????????????????? // 设备ID
???????????????????????????? Element. Name? = Entity[ "Name" ] as? String;??????????????? // 设备名称
???????????????????????????? Element.Description = Entity[ "Description" ] as? String;? // 设备描述
???????????????????????????? Element.Service = theService;?????????????????????????? // 服务
???????????????????????????? Element.Status = Entity[ "Status" ] as? String;??????????? // 设备状态
???????????????????????????? Element.VendorID = Convert .ToUInt16(match.Value. Substring (4,16);?? // 供应商标识
???????????????????????????? Element.ProductID = Convert .ToUInt16(match.Value. Substring (13,16); // 产品编号
???????????????????????????? Element.ClassGuid = new Guid(Entity[ "ClassGuid" ] as? String);??????????? // 设备安装类GUID
?
???????????????????????????? PnPEntities. Add (Element);
???????????????????????????? break;
???????????????????????? }
???????????????????? }
???????????????? }
???????????? }
?
???????????? if (PnPEntities. Count? == 0) return? null ; else? return? PnPEntities.ToArray();
???????? }
???????? #endregion???????
???? }
}

?

通过API的方式详见

http://www.cnblogs.com/xidongs/archive/2011/11/28/2266100.html

原文链接：https://www.cnblogs.com/Kconnie/p/4675156.html

（编辑：李大同）

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