55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
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'''
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【簡介】
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PyQt5中 QLineEdit範例
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'''
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from PyQt5.QtWidgets import QApplication, QLineEdit , QWidget , QFormLayout
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from PyQt5.QtGui import QIntValidator , QDoubleValidator , QFont
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from PyQt5.QtCore import Qt
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import sys
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class lineEditDemo(QWidget):
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def __init__(self, parent=None):
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super(lineEditDemo, self).__init__(parent)
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e1 = QLineEdit()
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e1.setValidator( QIntValidator() )
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e1.setMaxLength(4)
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e1.setAlignment( Qt.AlignRight )
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e1.setFont( QFont("Arial",20))
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e2 = QLineEdit()
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e2.setValidator( QDoubleValidator(0.99,99.99,2))
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flo = QFormLayout()
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flo.addRow("integer validator", e1)
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flo.addRow("Double validator",e2)
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e3 = QLineEdit()
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e3.setInputMask('+99_9999_999999')
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flo.addRow("Input Mask",e3)
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e4 = QLineEdit()
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e4.textChanged.connect( self.textchanged )
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flo.addRow("Text changed",e4)
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e5 = QLineEdit()
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e5.setEchoMode( QLineEdit.Password )
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flo.addRow("Password",e5)
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e6 = QLineEdit("Hello PyQt5")
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e6.setReadOnly(True)
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flo.addRow("Read Only",e6 )
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e5.editingFinished.connect( self.enterPress )
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self.setLayout(flo)
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self.setWindowTitle("QLineEdit範例")
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def textchanged(self, text):
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print( "輸入的內容為："+text )
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def enterPress( self ):
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print( "已輸入值" )
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if __name__ == "__main__":
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app = QApplication(sys.argv)
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win = lineEditDemo()
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win.show()
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sys.exit(app.exec_())
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