本文说明Checkbox的动态创建
from PyQt5
import QtCore, QtGui, QtWidgets
class Widget(QtWidgets.QWidget):
def __init__(self):
super().__init__()
layout = QtWidgets.QVBoxLayout()
items = [(
0,
'Python'), (
1,
'Golang'), (
2,
'JavaScript'), (
3,
'Ruby')]
for id_, txt
in items:
checkBox = QtWidgets.QCheckBox(txt, self)
checkBox.id_ = id_
checkBox.stateChanged.connect(self.checkLanguage)
layout.addWidget(checkBox)
self.lMessage = QtWidgets.QLabel(self)
layout.addWidget(self.lMessage)
self.setLayout(layout)
def checkLanguage(self, state):
checkBox = self.sender()
if state == QtCore.Qt.Unchecked:
self.lMessage.setText(
u'取消选择了{0}: {1}'.format(checkBox.id_, checkBox.text()))
elif state == QtCore.Qt.Checked:
self.lMessage.setText(
u'选择了{0}: {1}'.format(checkBox.id_, checkBox.text()))
if __name__ ==
'__main__':
import sys
app = QtWidgets.QApplication(sys.argv)
widget = Widget()
widget.show()
sys.exit(app.exec_())
连接信号与槽
