PySide6 GUI 编程（12）：QSpinBox的使用

from PySide6.QtWidgets import QApplication, QDoubleSpinBox, QMainWindow, QSpinBox, QVBoxLayout, QWidget


def spin_box_text_changed(value: str):
    print('spin_box text changed:', value)


def spin_box_value_changed(value: int):
    print('spin_box value int changed:', value)


def double_spin_box_text_changed(value: str):
    print('double_spin_box text changed:', value)


def double_spin_box_value_changed(value: float):
    print('double_spin_box value float changed:', value)


class MySpinBox(QMainWindow):
    def __init__(self):
        super().__init__()
        my_spin_box = QSpinBox()
        my_spin_box.setToolTip('SpinBox')
        my_spin_box.setPrefix('prefix-$-¥    ')
        my_spin_box.setSuffix('    suffix-%-e')
        my_spin_box.setSingleStep(1000)
        my_spin_box.setMaximum(10000000)
        my_spin_box.textChanged.connect(spin_box_text_changed)
        my_spin_box.valueChanged.connect(spin_box_value_changed)

        my_double_spin_box = QDoubleSpinBox()
        my_double_spin_box.setToolTip('DoubleSpinBox')
        my_double_spin_box.setPrefix('double-prefix-$-¥    ')
        my_double_spin_box.setSuffix('    double-suffix-%-e')
        my_double_spin_box.setSingleStep(0.1)
        my_double_spin_box.textChanged.connect(double_spin_box_text_changed)
        my_double_spin_box.valueChanged.connect(double_spin_box_value_changed)

        layout = QVBoxLayout()
        layout.addWidget(my_spin_box)
        layout.addWidget(my_double_spin_box)

        container = QWidget()
        container.setLayout(layout)

        self.setCentralWidget(container)


if __name__ == '__main__':
    app = QApplication()
    ins = MySpinBox()
    ins.show()
    app.exec()