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.QtCore import QBasicTimer
11 from PyQt5.QtWidgets import QApplication,QWidget,QProgressBar,QPushButton
12
13 class New_test(QWidget):
14 def __init__(self):
15 super().__init__()
16 self.initUI()
17
18 def initUI(self):
19 self.pbar = QProgressBar(self)
20 self.pbar.setGeometry(30,40,200,25)
21
22 self.btn = QPushButton('Start',self)
23 self.btn.move(75,80)
24 self.btn.clicked.connect(self.doAction)
25
26 self.timer = QBasicTimer()
27 self.step = 0
28
29 self.setGeometry(300,300,280,170)
30 self.setWindowTitle('QProgress Bar')
31 self.show()
32
33 def timerEvent(self, e):
34 if self.step >= 100:
35 self.timer.stop()
36 self.btn.setText('Finished')
37 return
38 self.step = 1
39 self.pbar.setValue(self.step)
40
41 def doAction(self,e):
42 if self.timer.isActive():
43 self.timer.stop()
44 self.btn.setText('Start')
45 else:
46 self.timer.start(100,self)
47 self.btn.setText('Stop')
48
49 if __name__ == '__main__':
50 app = QApplication(sys.argv)
51 ex = New_test()
52 sys.exit(app.exec_())
