上传项目代码

src/widgets/WidgetWeb.cpp

@@ -0,0 +1,41 @@
+#include "WidgetWeb.h"
+
+WebHandler::WebHandler(QObject* parent)
+    : QObject {parent}
+{
+    webChannel = new QWebChannel();
+    // 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
+    // 在JS中引入 qwebchannel.js， 使用 channel.objects.webNative 获取注册的“webNative”
+    webChannel->registerObject("webNative", this);
+}
+
+void WebHandler::setNativeText(const QString& text)
+{
+    m_nativeText = text;
+    qDebug() << QString("setNativeText:") << text;
+    emit signalNativeTextChanged(text);
+}
+
+WidgetWeb::WidgetWeb(QWidget* parent) : QWebEngineView(parent)
+{
+    webHandler_ = new WebHandler();
+    this->page()->setWebChannel(webHandler_->webChannel);
+    this->setContextMenuPolicy(Qt::NoContextMenu);
+}
+
+void WidgetWeb::loadHtml(std::string url)
+{
+    // "file:///assets/html/echarts//maptest.html"
+    this->load(QUrl(url.c_str()));
+    connect(this, &QWebEngineView::loadFinished, this, &WidgetWeb::slotLoadFinished);
+}
+
+void WidgetWeb::invikeJS(QString jscode)
+{
+    //QString jscode = QString("showalert('%1')").arg("Hello QtWebEngine!");
+    this->page()->runJavaScript(jscode, [](const QVariant& v) { qDebug() << v.toString(); });
+}
+
+void WidgetWeb::slotLoadFinished(bool ret)
+{
+}