WebBrowser控件如何屏蔽javascript错误

2024-01-11 11:32

本文主要是介绍WebBrowser控件如何屏蔽javascript错误,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!

WebBrowser 如何屏蔽javascript错误,我搜啊搜啊,搜到了

http://www.cnblogs.com/zhangqingping/archive/2009/06/16/1504260.html 和 http://support.microsoft.com/kb/261003

http://www.codeproject.com/Articles/4003/Popup-Window-Blocker

 

#pragma once#include <mshtmhst.h>class CNoScriptErrorHelper: public IDocHostUIHandler, public IOleCommandTarget
{public:     HRESULT STDMETHODCALLTYPE SetHandler(CComPtr<IWebBrowser2> spWebBrowser){HRESULT result = E_NOINTERFACE;CComPtr<IDispatch> spDisp;HRESULT hr = spWebBrowser->get_Document(&spDisp);if (SUCCEEDED(hr) && spDisp){// If this is not an HTML document (e.g., it's a Word doc or a PDF), don't sink.CComQIPtr<IHTMLDocument2, &IID_IHTMLDocument2> spHTML(spDisp);if (spHTML){// Get pointers to default interfacesCComQIPtr<IOleObject, &IID_IOleObject> spOleObject(spDisp);if (spOleObject){CComPtr<IOleClientSite> spClientSite;hr = spOleObject->GetClientSite(&spClientSite);if (SUCCEEDED(hr) && spClientSite){m_spDefaultDocHostUIHandler = spClientSite;m_spDefaultOleCommandTarget = spClientSite;}}// Set this class to be the IDocHostUIHandlerCComQIPtr<ICustomDoc, &IID_ICustomDoc> spCustomDoc(spDisp);if (spCustomDoc) {spCustomDoc->SetUIHandler(this);result = S_OK;}}} return result;}
public:HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObject){HRESULT result = S_OK;if (IsBadWritePtr(ppvObject, sizeof(LPVOID)))result = E_INVALIDARG;if (result == S_OK){*ppvObject = NULL;if ( IsEqualIID( riid, IID_IUnknown ) )*ppvObject = this;else if ( IsEqualIID( riid, IID_IDispatch ) )*ppvObject = (IDispatch *) this;else if ( IsEqualIID( riid, IID_IDocHostUIHandler ) )*ppvObject = (IDocHostUIHandler *) this;else if ( IsEqualIID( riid, IID_IOleCommandTarget ) )*ppvObject = (IOleCommandTarget *) this;elseresult = E_NOINTERFACE;}if (result == S_OK)this->AddRef();return result;}ULONG STDMETHODCALLTYPE AddRef(){InterlockedIncrement(&m_cRef);return m_cRef;}ULONG STDMETHODCALLTYPE Release() {ULONG ulRefCount = InterlockedDecrement(&m_cRef);if(m_cRef == 0){delete this;}return ulRefCount;}STDMETHOD(ShowContextMenu)(DWORD dwID, POINT FAR* ppt, IUnknown FAR* pcmdTarget, IDispatch FAR* pdispReserved){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->ShowContextMenu(dwID, ppt, pcmdTarget, pdispReserved);return S_FALSE;}STDMETHOD(ShowUI)(DWORD dwID, IOleInPlaceActiveObject FAR* pActiveObject,IOleCommandTarget FAR* pCommandTarget,IOleInPlaceFrame  FAR* pFrame,IOleInPlaceUIWindow FAR* pDoc){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->ShowUI(dwID, pActiveObject, pCommandTarget, pFrame, pDoc);return S_FALSE;}STDMETHOD(GetHostInfo)(DOCHOSTUIINFO FAR *pInfo){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->GetHostInfo(pInfo);return S_OK;}STDMETHOD(HideUI)(void){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->HideUI();return S_OK;}STDMETHOD(UpdateUI)(void){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->UpdateUI();return S_OK;}STDMETHOD(EnableModeless)(BOOL fEnable){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->EnableModeless(fEnable);return S_OK;}STDMETHOD(OnDocWindowActivate)(BOOL fActivate){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->OnDocWindowActivate(fActivate);return S_OK;}STDMETHOD(OnFrameWindowActivate)(BOOL fActivate){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->OnFrameWindowActivate(fActivate);return S_OK;}STDMETHOD(ResizeBorder)(LPCRECT prcBorder, IOleInPlaceUIWindow FAR* pUIWindow, BOOL fFrameWindow){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->ResizeBorder(prcBorder, pUIWindow, fFrameWindow);return S_OK;}STDMETHOD(TranslateAccelerator)(LPMSG lpMsg, const GUID FAR* pguidCmdGroup, DWORD nCmdID){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->TranslateAccelerator(lpMsg, pguidCmdGroup, nCmdID);return E_NOTIMPL;}STDMETHOD(GetOptionKeyPath)(LPOLESTR FAR* pchKey, DWORD dw){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->GetOptionKeyPath(pchKey, dw);return E_FAIL;}STDMETHOD(GetDropTarget)(IDropTarget* pDropTarget, IDropTarget** ppDropTarget){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->GetDropTarget(pDropTarget, ppDropTarget);return S_OK;}STDMETHOD(GetExternal)(IDispatch** ppDispatch){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->GetExternal(ppDispatch);return S_FALSE;}STDMETHOD(TranslateUrl)(DWORD dwTranslate, OLECHAR* pchURLIn, OLECHAR** ppchURLOut){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->TranslateUrl(dwTranslate, pchURLIn, ppchURLOut);return S_FALSE;}STDMETHOD(FilterDataObject)(IDataObject* pDO, IDataObject** ppDORet){if (m_spDefaultDocHostUIHandler)return m_spDefaultDocHostUIHandler->FilterDataObject(pDO, ppDORet);return S_FALSE;}//// IOleCommandTarget//STDMETHOD(QueryStatus)(/*[in]*/ const GUID *pguidCmdGroup, /*[in]*/ ULONG cCmds,/*[in,out][size_is(cCmds)]*/ OLECMD *prgCmds,/*[in,out]*/ OLECMDTEXT *pCmdText){return m_spDefaultOleCommandTarget->QueryStatus(pguidCmdGroup, cCmds, prgCmds, pCmdText);}STDMETHOD(Exec)(/*[in]*/ const GUID *pguidCmdGroup,/*[in]*/ DWORD nCmdID,/*[in]*/ DWORD nCmdExecOpt,/*[in]*/ VARIANTARG *pvaIn,/*[in,out]*/ VARIANTARG *pvaOut){if (nCmdID == OLECMDID_SHOWSCRIPTERROR){// Don't show the error dialog, but// continue running scripts on the page.(*pvaOut).vt = VT_BOOL;(*pvaOut).boolVal = VARIANT_TRUE;return S_OK;}return m_spDefaultOleCommandTarget->Exec(pguidCmdGroup, nCmdID, nCmdExecOpt, pvaIn, pvaOut);}
private:// Default interface pointersCComQIPtr<IDocHostUIHandler, &IID_IDocHostUIHandler> m_spDefaultDocHostUIHandler;CComQIPtr<IOleCommandTarget, &IID_IOleCommandTarget> m_spDefaultOleCommandTarget;LONG m_cRef;
};

 使用方法:

 

class CBrowserView: public CWindowImpl<CBrowserView, CAxWindow>, public IDispEventImpl<_nDispatchID, CBrowserView, &DIID_DWebBrowserEvents2>
{
public:DECLARE_WND_SUPERCLASS(_T("BrowserView"), CAxWindow::GetWndClassName())CNoScriptErrorHelper m_helper;BEGIN_SINK_MAP(CBrowserView)SINK_ENTRY_EX(_nDispatchID, DIID_DWebBrowserEvents2, DISPID_DOCUMENTCOMPLETE, OnEventDocumentComplete)END_SINK_MAP()void __stdcall OnEventDocumentComplete(IDispatch* pDisp, VARIANT* URL){CComQIPtr<IWebBrowser2, &IID_IWebBrowser2> iwebBrowser(pDisp);m_helper.SetHandler(iwebBrowser);}
// Message map and handlersBEGIN_MSG_MAP(CBrowserView)MESSAGE_HANDLER(WM_CREATE, OnCreate)MESSAGE_HANDLER(WM_DESTROY, OnDestroy)END_MSG_MAP()LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/){LRESULT lRet = DefWindowProc(uMsg, wParam, lParam);// Connect eventsCComPtr spWebBrowser2;HRESULT hRet = QueryControl(IID_IWebBrowser2, (void**)&spWebBrowser2);if(SUCCEEDED(hRet)){if(FAILED(DispEventAdvise(spWebBrowser2, &DIID_DWebBrowserEvents2)))ATLASSERT(FALSE);}// Set host flag to indicate that we handle themesCComPtr spHost;hRet = QueryHost(IID_IAxWinAmbientDispatch, (void**)&spHost);if(SUCCEEDED(hRet)){const DWORD _DOCHOSTUIFLAG_THEME = 0x40000;hRet = spHost->put_DocHostFlags(DOCHOSTUIFLAG_NO3DBORDER | _DOCHOSTUIFLAG_THEME);ATLASSERT(SUCCEEDED(hRet));}return lRet;}LRESULT OnDestroy(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled){// Disconnect eventsCComPtr spWebBrowser2;HRESULT hRet = QueryControl(IID_IWebBrowser2, (void**)&spWebBrowser2);if(SUCCEEDED(hRet))DispEventUnadvise(spWebBrowser2, &DIID_DWebBrowserEvents2);bHandled=FALSE;return 1;}
};

 

CBrowserView 创建窗口的时候用:

CBrowserView m_view;

m_view.Create(parentHWND, rcDefault, L"http://www.iteye.com", WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VSCROLL | WS_HSCROLL);

 

这篇关于WebBrowser控件如何屏蔽javascript错误的文章就介绍到这儿,希望我们推荐的文章对编程师们有所帮助!



http://www.chinasem.cn/article/594222

相关文章

Spring Boot 实现 IP 限流的原理、实践与利弊解析

《SpringBoot实现IP限流的原理、实践与利弊解析》在SpringBoot中实现IP限流是一种简单而有效的方式来保障系统的稳定性和可用性,本文给大家介绍SpringBoot实现IP限... 目录一、引言二、IP 限流原理2.1 令牌桶算法2.2 漏桶算法三、使用场景3.1 防止恶意攻击3.2 控制资源

Mac系统下卸载JAVA和JDK的步骤

《Mac系统下卸载JAVA和JDK的步骤》JDK是Java语言的软件开发工具包,它提供了开发和运行Java应用程序所需的工具、库和资源,:本文主要介绍Mac系统下卸载JAVA和JDK的相关资料,需... 目录1. 卸载系统自带的 Java 版本检查当前 Java 版本通过命令卸载系统 Java2. 卸载自定

springboot下载接口限速功能实现

《springboot下载接口限速功能实现》通过Redis统计并发数动态调整每个用户带宽,核心逻辑为每秒读取并发送限定数据量,防止单用户占用过多资源,确保整体下载均衡且高效,本文给大家介绍spring... 目录 一、整体目标 二、涉及的主要类/方法✅ 三、核心流程图解(简化) 四、关键代码详解1️⃣ 设置

Java Spring ApplicationEvent 代码示例解析

《JavaSpringApplicationEvent代码示例解析》本文解析了Spring事件机制,涵盖核心概念(发布-订阅/观察者模式)、代码实现(事件定义、发布、监听)及高级应用(异步处理、... 目录一、Spring 事件机制核心概念1. 事件驱动架构模型2. 核心组件二、代码示例解析1. 事件定义

SpringMVC高效获取JavaBean对象指南

《SpringMVC高效获取JavaBean对象指南》SpringMVC通过数据绑定自动将请求参数映射到JavaBean,支持表单、URL及JSON数据,需用@ModelAttribute、@Requ... 目录Spring MVC 获取 JavaBean 对象指南核心机制:数据绑定实现步骤1. 定义 Ja

javax.net.ssl.SSLHandshakeException:异常原因及解决方案

《javax.net.ssl.SSLHandshakeException:异常原因及解决方案》javax.net.ssl.SSLHandshakeException是一个SSL握手异常,通常在建立SS... 目录报错原因在程序中绕过服务器的安全验证注意点最后多说一句报错原因一般出现这种问题是因为目标服务器

Java实现删除文件中的指定内容

《Java实现删除文件中的指定内容》在日常开发中,经常需要对文本文件进行批量处理,其中,删除文件中指定内容是最常见的需求之一,下面我们就来看看如何使用java实现删除文件中的指定内容吧... 目录1. 项目背景详细介绍2. 项目需求详细介绍2.1 功能需求2.2 非功能需求3. 相关技术详细介绍3.1 Ja

springboot项目中整合高德地图的实践

《springboot项目中整合高德地图的实践》:本文主要介绍springboot项目中整合高德地图的实践,具有很好的参考价值,希望对大家有所帮助,如有错误或未考虑完全的地方,望不吝赐教... 目录一:高德开放平台的使用二:创建数据库(我是用的是mysql)三:Springboot所需的依赖(根据你的需求再

spring中的ImportSelector接口示例详解

《spring中的ImportSelector接口示例详解》Spring的ImportSelector接口用于动态选择配置类,实现条件化和模块化配置,关键方法selectImports根据注解信息返回... 目录一、核心作用二、关键方法三、扩展功能四、使用示例五、工作原理六、应用场景七、自定义实现Impor

SpringBoot3应用中集成和使用Spring Retry的实践记录

《SpringBoot3应用中集成和使用SpringRetry的实践记录》SpringRetry为SpringBoot3提供重试机制,支持注解和编程式两种方式,可配置重试策略与监听器,适用于临时性故... 目录1. 简介2. 环境准备3. 使用方式3.1 注解方式 基础使用自定义重试策略失败恢复机制注意事项