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51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
import sys
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from PySide6 import QtCore, QtWidgets
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"""
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QAbstractSlider 滑块类控件的基类
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用户可以通过滑块来输入整形数据
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官方文档：https://doc.qt.io/qtforpython/PySide6/QtWidgets/QAbstractSlider.html
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继承自QWidget
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本身为抽象基类，不能被实例化，主要有QSlider滑块、QDial旋钮、QScrollBar滚动条三个子类
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"""
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class MyWidget(QtWidgets.QWidget):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.setWindowTitle("QAbstractSlider")
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self.resize(800, 600)
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self.setup_ui()
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def setup_ui(self) -> None:
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"""设置界面"""
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# 滑块
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slider = QtWidgets.QSlider(self)
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slider.move(200, 200)
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# 旋钮
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dial = QtWidgets.QDial(self)
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dial.move(360, 200)
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info_label = QtWidgets.QLabel(self)
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info_label.move(240, 200)
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@QtCore.Slot(int)
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def test(value: int):
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info_label.setText(f"滑块的值变成了{value}")
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info_label.adjustSize()
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# 连接信号与槽，显示用户通过滑块/旋钮输入的值
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# slider.valueChanged.connect(test) # type: ignore
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dial.valueChanged.connect(test) # type: ignore
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if __name__ == "__main__":
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app = QtWidgets.QApplication(sys.argv)
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window = MyWidget()
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window.show()
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sys.exit(app.exec())
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