网站开发项目总结范文,wordpress后台登陆不上,苏州网站建设方案外包,途牛网网站是哪家公司做的QWebEngineView可以和js交互需要使用QWebChannel#xff0c;如果不使用的话#xff0c;js可以请求自定义网址协议#xff0c;相当于请求服务器#xff0c;但是不用Qt专门做服务器#xff0c;不占用系统端口。
如果结合系统自定义URL注册#xff0c;可以达到访问自定义UR…QWebEngineView可以和js交互需要使用QWebChannel如果不使用的话js可以请求自定义网址协议相当于请求服务器但是不用Qt专门做服务器不占用系统端口。
如果结合系统自定义URL注册可以达到访问自定义URL启动我们的Qt程序程序里再处理自定义URL网址
1.继承QWebEngineUrlSchemeHandler 创建协议处理类
class AMUrlSchemeHandler : public QWebEngineUrlSchemeHandler
{Q_OBJECTpublic:AMUrlSchemeHandler(QObject *parent);~AMUrlSchemeHandler();virtual void requestStarted(QWebEngineUrlRequestJob* pReqJob);
};2. 在requestStarted编写响应内容
void AMUrlSchemeHandler::requestStarted(QWebEngineUrlRequestJob* pReqJob)
{QJsonObject jsonObj;jsonObj.insert(requestUrl, pReqJob-requestUrl().toString());jsonObj.insert(requestMethod, QString(pReqJob-requestMethod()));jsonObj.insert(initiator, pReqJob-initiator().toString());if (pReqJob-requestUrl().toString() amurl://www.baidu.com){if (pReqJob-requestMethod() GET){jsonObj.insert(result, GET 0);}else if (pReqJob-requestMethod() POST){jsonObj.insert(result, POST 1);}else{pReqJob-fail(QWebEngineUrlRequestJob::RequestDenied);return;}}QBuffer* buffer new QBuffer;connect(pReqJob, SIGNAL(destroyed()), buffer, SLOT(deleteLater()));buffer-open(QIODevice::WriteOnly);QString strJson QJsonDocument(jsonObj).toJson(QJsonDocument::Indented);buffer-write(strJson.toUtf8());buffer-close();pReqJob-reply(application/json, buffer);
} 3.在QApplication初始化前注册自定义协议QWebEngineUrlScheme::registerScheme(scheme);
4. 再安装协议处理类installUrlSchemeHandler(amurl, handler);
int main(int argc, char *argv[])
{QWebEngineUrlScheme scheme(amurl);scheme.setSyntax(QWebEngineUrlScheme::Syntax::Path);scheme.setFlags(QWebEngineUrlScheme::SecureScheme);QWebEngineUrlScheme::registerScheme(scheme);QApplication a(argc, argv);AMUrlSchemeHandler* handler new AMUrlSchemeHandler(a);QWebEngineProfile::defaultProfile()-installUrlSchemeHandler(amurl, handler);StudyQWebEngineUrlScheme w;w.show();return a.exec();
}
5. 我们可以访问试试
StudyQWebEngineUrlScheme::StudyQWebEngineUrlScheme(QWidget *parent): QMainWindow(parent)
{ui.setupUi(this);QVBoxLayout* pLayoutMain new QVBoxLayout(ui.centralWidget);ui.centralWidget-setLayout(pLayoutMain);pLayoutMain-setContentsMargins(0, 30, 0, 0);{m_pView new QWebEngineView(ui.centralWidget);pLayoutMain-addWidget(m_pView);{QWebEnginePage* pWebEnginePage new QWebEnginePage(m_pView);m_pView-setPage(pWebEnginePage);}QWebEngineView* view1 new QWebEngineView(m_pView);pLayoutMain-addWidget(view1);m_pView-page()-setDevToolsPage(view1-page());}//Get请求m_pView-load(QUrl(amurl://www.Baidu.com));connect(ui.btnPost, QPushButton::clicked, this, StudyQWebEngineUrlScheme::sltBtnPostClicked);connect(ui.btnOther, QPushButton::clicked, this, StudyQWebEngineUrlScheme::sltBtnOtherClicked);
}void StudyQWebEngineUrlScheme::sltBtnPostClicked()
{QWebEngineHttpRequest httpReq;httpReq.setUrl(QUrl(Amurl://www.Baidu.com));httpReq.setMethod(QWebEngineHttpRequest::Post);m_pView-load(httpReq);//POST请求好像无效无法处理
}void StudyQWebEngineUrlScheme::sltBtnOtherClicked()
{QWebEngineHttpRequest httpReq;httpReq.setUrl(QUrl(Amurl://www.Baidu.coM));httpReq.setMethod(QWebEngineHttpRequest::Method(2));m_pView-load(httpReq);//Method2,请求都转为Get请求了
}官方示例WebEngine Widgets WebUI 范例| Qt WebEngine 5.15.1 -中文文档编制,帮助,手册,教程
本文示例代码
所有代码的7z压缩后的Base64编码如下
注意复制出来是一行再Base64 Decode保存成7z文件再解压即可
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