修复Android和PC端适配问题

main.cpp

@@ -1,5 +1,7 @@
 #include <QGuiApplication>
 #include <QIcon>
+#include <QLibraryInfo>
+#include <QDir>
 #include <QQmlApplicationEngine>
 #include <QQmlContext>
 #include <QQuickStyle>
@@ -32,6 +34,16 @@ int main(int argc, char *argv[])
     AppController controller;
 
     QQmlApplicationEngine engine;
+    const QString qmlImportPath = QLibraryInfo::path(QLibraryInfo::QmlImportsPath);
+    if (!qmlImportPath.isEmpty()) {
+        engine.addImportPath(qmlImportPath);
+    }
+#if defined(REWRITE_QT_INSTALL_QML)
+    const QString qtInstallQmlPath = QStringLiteral(REWRITE_QT_INSTALL_QML);
+    if (QDir(qtInstallQmlPath).exists()) {
+        engine.addImportPath(qtInstallQmlPath);
+    }
+#endif
     engine.rootContext()->setContextProperty("appController", &controller);
 
     const QUrl url(QStringLiteral("qrc:/qml/Main.qml"));