Qt State Machine QML 类型

要导入 QML 类型到应用程序中，使用以下 import 语句在 .qml 文件中：

import QtQml.StateMachine

FinalState	提供最终状态
HistoryState	Type provides a means of returning to a previously active substate
QAbstractState	Type is the base type of States of a StateMachine
QAbstractTransition	Type is the base type of transitions between QAbstractState objects
QSignalTransition	Type provides a transition based on a Qt signal
SignalTransition	Type provides a transition based on a Qt signal
State	Provides a general-purpose state for StateMachine
StateMachine	Provides a hierarchical finite state machine
TimeoutTransition	Type provides a transition based on a timer