The Qt Bluetooth QML Types enable an application to scan for devices and connect and interact with them in an easier way than the C++ Classes. However, it is a bit more limited than the C++ API. You can always use the C++ API to create QML plugins with the flexibility you need.
要在应用程序中使用模块的类，需要以下 import 语句在
.qml
文件：
import QtBluetooth 5.12
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Enables searching for the Bluetooth devices and services in range |
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Provides information about a particular Bluetooth service |
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Enables connecting and communicating with a Bluetooth service or device |
