import sys
from PyQt5.QtWidgets import QWidget, QLabel, QApplication, QPushButton, QHBoxLayout, QVBoxLayout, QGridLayout
class Example(QWidget):
def __init__(self):
super().__init__()
self.initUI()
#----------------------------------------------------------
def initUI(self):
grid = QGridLayout()
self.setLayout(grid)
names = ['C', 'Bck', '王小涛_', '同學',
'7', '8', '9', '/',
'4', '5', '6', '*',
'1', '2', '3', '-',
'0', '.', '=', '+']
positions = [(i, j) for i in range(5) for j in range(4)]
for position, name in zip(positions, names):
if name == '':
continue
button = QPushButton(name)
grid.addWidget(button, *position)
#------------------------------------------------------------
self.setGeometry(300, 300, 300, 150)
self.setWindowTitle('计算器')
self.show()
#-------------------------------------------------------------
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
sys.exit((app.exec_()))
