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41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
#include "WidgetWeb.h"
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WebHandler::WebHandler(QObject* parent)
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: QObject {parent}
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{
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webChannel = new QWebChannel();
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// 注册C++对象到QWebChannel，这样远端的QWebChannel也会生成一个对应的JS对象
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// 在JS中引入 qwebchannel.js， 使用 channel.objects.webNative 获取注册的“webNative”
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webChannel->registerObject("webNative", this);
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}
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void WebHandler::setNativeText(const QString& text)
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{
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m_nativeText = text;
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qDebug() << QString("setNativeText:") << text;
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emit signalNativeTextChanged(text);
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}
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WidgetWeb::WidgetWeb(QWidget* parent) : QWebEngineView(parent)
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{
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webHandler_ = new WebHandler();
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this->page()->setWebChannel(webHandler_->webChannel);
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this->setContextMenuPolicy(Qt::NoContextMenu);
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}
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void WidgetWeb::loadHtml(std::string url)
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{
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// "file:///assets/html/echarts//maptest.html"
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this->load(QUrl(url.c_str()));
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connect(this, &QWebEngineView::loadFinished, this, &WidgetWeb::slotLoadFinished);
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}
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void WidgetWeb::invikeJS(QString jscode)
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{
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//QString jscode = QString("showalert('%1')").arg("Hello QtWebEngine!");
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this->page()->runJavaScript(jscode, [](const QVariant& v) { qDebug() << v.toString(); });
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}
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void WidgetWeb::slotLoadFinished(bool ret)
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{
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} |