QLabel标签快捷键的使用

 1 from PyQt5.QtWidgets import *
 2 import sys
 3 
 4 class QlabelDemo(QDialog):
 5     def __init__(self):
 6         super().__init__()
 7 
 8         self.setWindowTitle('QLabel 例子')
 9         #快捷键 Alt+首字母
10         nameLb1 = QLabel('&Name', self)
11         nameEd1 = QLineEdit(self)
12         nameLb1.setBuddy(nameEd1)
13 
14         nameLb2 = QLabel('&Password', self)
15         nameEd2 = QLineEdit(self)
16         nameLb2.setBuddy(nameEd2)
17 
18         btnOK = QPushButton('&OK')
19         btnCancel = QPushButton('&Cancel')
20         mainLayout = QGridLayout(self)
21         mainLayout.addWidget(nameLb1, 0, 0)
22         mainLayout.addWidget(nameEd1, 0, 1, 1, 2)
23 
24         mainLayout.addWidget(nameLb2, 1, 0)
25         mainLayout.addWidget(nameEd2, 1, 1, 1, 2)
26 
27         mainLayout.addWidget(btnOK, 2, 1)
28         mainLayout.addWidget(btnCancel, 2, 2)
29 
30 if __name__ == '__main__':
31     app = QApplication(sys.argv)
32     labelDemo = QlabelDemo()
33     labelDemo.show()
34     sys.exit(app.exec_())