pyqt5-QAction

1、介绍

动作。这是QMenu添加的项，或者QMenuBar组件直接添加。

2、类和初始化

class QAction(__PyQt5_QtCore.QObject):
    """
    QAction(parent: QObject = None)
    QAction(str, parent: QObject = None)
    QAction(QIcon, str, parent: QObject = None)
    """
    def __init__(self, *__args):
        pass

3、属性

    AboutQtRole = 3
    AboutRole = 4
    ApplicationSpecificRole = 2
    HighPriority = 256
    Hover = 1
    LowPriority = 0
    NormalPriority = 128
    NoRole = 0
    PreferencesRole = 5
    QuitRole = 6
    TextHeuristicRole = 1
    Trigger = 0

4、方法

（1）text

• 获取文本，即动作项的显示字符串。返回类型str

（2）setText

• 设置文本，参数类型str

5、事件