代码语言：javascript复制
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_())
