可以通过 QQmlEngine::importPathList() 来查看导入路径有哪些: QQmlApplicationEngine engine;for(QString path : engine.importPathList 如果不想麻烦地修改电脑设置中的环境变量,我们可以直接在代码中添加: qputenv("QML2_IMPORT_PATH", "C:/Users/kong/Documents/StyleDemo"); 方法二: 在代码中,调用 QQmlEngine
qmlRegisterExtendedType<QLineEdit, LineEditExtension>("People", 1,0, "QLineEdit"); 然后,QML引擎实例化QLineEdit: QQmlEngine
include <QQuickWidget> #include <QMetaObject> #include <QQuickItem> #include <QQmlContext> #include <QQmlEngine