PyQt5–QComboBox
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,QComboBox,QLabel 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('fruit',self) 19 combo = QComboBox(self) 20 combo.addItem('apple') 21 combo.addItem('pair') 22 combo.addItem('banana') 23 combo.move(50,50) 24 self.lbl.move(50,150) 25 combo.activated[str].connect(self.onActive) 26 27 self.setGeometry(300,300,300,200) 28 self.setWindowTitle('QCombobox') 29 self.show() 30 31 def onActive(self,text): 32 try: 33 self.lbl.setText(text) 34 self.lbl.adjustSize() 35 except Exception as e: 36 print (e) 37 38 if __name__ == '__main__': 39 app = QApplication(sys.argv) 40 ex = New_test() 41 sys.exit(app.exec_())
