The Qt Qml Core module provides core system functionality in QML.
可以使用以下 import 语句在 .qml 文件中把 QML 类型导入应用程序：
import QtCore
| Access to the user's Bluetooth peripherals | |
| Access to the user's calendar | |
| 访问用户摄像机 | |
| Access to the user's contacts | |
| Access to the user's location | |
| Access to the user's microphone | |
| Provides persistent platform-independent application settings | |
| Provides access to the standard system paths | |
| Provides information about the system |
