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 Qt
11 from PyQt5.QtWidgets import QApplication,QWidget,QCheckBox
12
13 class New_test(QWidget):
14 def __init__(self):
15 super().__init__()
16 self.initUI()
17
18 def initUI(self):
19 cb = QCheckBox('Show Title',self)
20 cb.move(20,20)
21 cb.toggle() # 因为前面已经设置了标题，所以这里就需要先将checkbox默认勾上，否则会导致和一次时标题与复选框状态对不上
22 cb.stateChanged.connect(self.changeTitle) # 将复选框的状态改变信号连接到自定义的槽函数changeTitle上
23
24 self.setGeometry(300,300,250,150)
25 self.setWindowTitle('QCheck Box')
26 self.show()
27
28 def changeTitle(self,state):
29 if state == Qt.Checked:
30 self.setWindowTitle('QCheck Box')
31 else:
32 self.setWindowTitle('')
33
34 if __name__ == '__main__':
35 app = QApplication(sys.argv)
36 ex = New_test()
37 sys.exit(app.exec_())复选框默认勾上的标题
取消勾选的标题提示
