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掩碼有很多種，這里只介紹了一種。

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from PyQt5.QtWidgets import *

from PyQt5.QtGui import QFont, QDoubleValidator

import sys

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class PyQt506(QWidget):

??? def __init__(self):

??????? super().__init__()

??????? self.initUI()

??? def initUI(self):

??????? self.setWindowTitle('氣輕PyQt5')??????????????? # 設(shè)置窗口標(biāo)題

??????? self.resize(700, 300)?????????????????????????? # 設(shè)置窗口大小

??????? self.edit = QLineEdit(self)???????????????????? # 輸入框

??????? self.edit.setGeometry(10, 0,240, 40)??????????? # 設(shè)置位置和大小

??????? self.edit.setFont(QFont('Arial',20))

??????? self.edit.setInputMask("000.000.000.000;_")???? # 掩碼

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??????? self.show()

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if __name__ == '__main__':

??? app = QApplication(sys.argv)

??? window = PyQt506()

??? sys.exit(app.exec_())

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執(zhí)行結(jié)果