PyQt:十六进制的QLineEdit输入掩码

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLineEdit, QVBoxLayout

class HexInputApp(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        layout = QVBoxLayout()

        # 创建 QLineEdit 控件并设置输入掩码
        hex_input = QLineEdit()
        hex_input.setInputMask("000000;_")  # 接受6位十六进制数，不足部分用下划线填充

        layout.addWidget(hex_input)
        self.setLayout(layout)

        self.setWindowTitle('Hex Input Mask Example')
        self.setGeometry(300, 300, 300, 200)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = HexInputApp()
    ex.show()
    sys.exit(app.exec_())