一、前言
最近有这样一个需求,需要在网页上面启动客户端的软件,软件之间的通信、调用,单单依靠HTML是无法实现了,因此必须借用Activex来实现。由于本人主要擅长C#,自然本文给出了用C#实现的范例,本文的预期效果是有一定Winform基础的人可都轻松读懂本文。
using System; using System.Collections.Generic; using System.Text; using System.Runtime.InteropServices;namespace EasyActivex {[ComImport, GuidAttribute("CB5BDC81-93C1-11CF-8F20-00805F2CD064")][InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]public interface IObjectSafety{[PreserveSig]int GetInterfaceSafetyOptions(ref Guid riid, [MarshalAs(UnmanagedType.U4)] ref int pdwSupportedOptions, [MarshalAs(UnmanagedType.U4)] ref int pdwEnabledOptions);[PreserveSig()]int SetInterfaceSafetyOptions(ref Guid riid, [MarshalAs(UnmanagedType.U4)] int dwOptionSetMask, [MarshalAs(UnmanagedType.U4)] int dwEnabledOptions);} }
using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Data; using System.Text; using System.Windows.Forms; using System.Runtime.InteropServices; namespace EasyActivex {//这个Guid,网页调用的时候用到,Mark[Guid("685F0A47-944D-4145-BF4E-76A02A422B02")]//这里要实现IObjectSafety接口public partial class EUserControl : UserControl, IObjectSafety {public EUserControl(){InitializeComponent();}#region IObjectSafety 接口成员实现(直接拷贝即可)private const string _IID_IDispatch = "{00020400-0000-0000-C000-000000000046}";private const string _IID_IDispatchEx = "{a6ef9860-c720-11d0-9337-00a0c90dcaa9}";private const string _IID_IPersistStorage = "{0000010A-0000-0000-C000-000000000046}";private const string _IID_IPersistStream = "{00000109-0000-0000-C000-000000000046}";private const string _IID_IPersistPropertyBag = "{37D84F60-42CB-11CE-8135-00AA004BB851}";private const int INTERFACESAFE_FOR_UNTRUSTED_CALLER = 0x00000001;private const int INTERFACESAFE_FOR_UNTRUSTED_DATA = 0x00000002;private const int S_OK = 0;private const int E_FAIL = unchecked((int)0x80004005);private const int E_NOINTERFACE = unchecked((int)0x80004002);private bool _fSafeForScripting = true;private bool _fSafeForInitializing = true;public int GetInterfaceSafetyOptions(ref Guid riid, ref int pdwSupportedOptions, ref int pdwEnabledOptions){int Rslt = E_FAIL;string strGUID = riid.ToString("B");pdwSupportedOptions = INTERFACESAFE_FOR_UNTRUSTED_CALLER | INTERFACESAFE_FOR_UNTRUSTED_DATA;switch (strGUID){case _IID_IDispatch:case _IID_IDispatchEx:Rslt = S_OK;pdwEnabledOptions = 0;if (_fSafeForScripting == true)pdwEnabledOptions = INTERFACESAFE_FOR_UNTRUSTED_CALLER;break;case _IID_IPersistStorage:case _IID_IPersistStream:case _IID_IPersistPropertyBag:Rslt = S_OK;pdwEnabledOptions = 0;if (_fSafeForInitializing == true)pdwEnabledOptions = INTERFACESAFE_FOR_UNTRUSTED_DATA;break;default:Rslt = E_NOINTERFACE;break;}return Rslt;}public int SetInterfaceSafetyOptions(ref Guid riid, int dwOptionSetMask, int dwEnabledOptions){int Rslt = E_FAIL;string strGUID = riid.ToString("B");switch (strGUID){case _IID_IDispatch:case _IID_IDispatchEx:if (((dwEnabledOptions & dwOptionSetMask) == INTERFACESAFE_FOR_UNTRUSTED_CALLER) && (_fSafeForScripting == true))Rslt = S_OK;break;case _IID_IPersistStorage:case _IID_IPersistStream:case _IID_IPersistPropertyBag:if (((dwEnabledOptions & dwOptionSetMask) == INTERFACESAFE_FOR_UNTRUSTED_DATA) && (_fSafeForInitializing == true))Rslt = S_OK;break;default:Rslt = E_NOINTERFACE;break;}return Rslt;}#endregion/// <summary>/// 打开记事本/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnOpenNote_Click(object sender, EventArgs e){System.Diagnostics.Process.Start("notepad.exe"); }} }
小提示:EUserControl代码的Guid可以用VS附带的Guid生成工具生成:
//用户添加 [assembly: AllowPartiallyTrustedCallers()]
[version] signature="$CHICAGO$" AdvancedINF=2.0 [Setup Hooks] hook1=hook1 [hook1] run=msiexec.exe /i "%EXTRACT_DIR%\EasySetup.msi" /qn
2) build.bat制作。新建txt文件,加入以下内容,将文件名重新命名build.bat即可。其中EasyActivex.cab是生成目标cab的名称;install.inf是第一步生成的文件名,而EasySetup.msi是需要打包的安装程序名;第二条ping命令仅仅是让批处理不要那么快退出,起到更利于观察生成结果的作用。
"cabarc.exe" -s 6144 n EasyActivex.cab install.inf EasySetup.msi ping -n 20 127.0.0.1 >nul
<object id="csharpActiveX" codebase="Activex/EasyActivex.cab" classid="clsid:685F0A47-944D-4145-BF4E-76A02A422B02"></object>
运行效果如下:
点击即可在网页中打开记事本了。
五、本案例源码+cab打包工具+数字签名工具下载
六、参考资料:
1、使用C#开发ActiveX控件 http://www.cnblogs.com/yilin/archive/2009/09/15/1567332.html
2、Activex签名方法和工具技巧 http://www.360doc.com/content/10/0901/15/203871_50402416.shtml
3、中国数字认证网用户手册 http://www.ca365.com/forward.do?pageurl=/ca/yhsc.jsp