1 # -*- coding:utf-8 -*- 2 ''' 3 Created on Sep 20, 2018 4 5 @author: SaShuangYiBing 6 7 Comment: 8 ''' 9 import sys 10 from PyQt5.QtWidgets import QApplication,QWidget,QLabel,QLineEdit 11 12 class New_test(QWidget): 13 def __init__(self): 14 super().__init__() 15 self.initUI() 16 17 def initUI(self): 18 self.lbl = QLabel(self) 19 qle = QLineEdit(self) 20 qle.move(60,100) 21 self.lbl.move(60,40) 22 23 qle.textChanged.connect(self.onChange) 24 25 self.setGeometry(300,300,280,170) 26 self.setWindowTitle('QLineEdit') 27 self.show() 28 29 def onChange(self,text): 30 self.lbl.setText(text) 31 self.lbl.adjustSize() 32 33 if __name__ == '__main__': 34 app = QApplication(sys.argv) 35 ex = New_test() 36 sys.exit(app.exec_())
