setCheckable() isChecked()
image.png
单选按钮
-- coding: utf-8 --
'''
【简介】
PyQt5中QRadio例子
'''
import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
class Radiodemo(QWidget):
def init(self, parent=None):
super(Radiodemo, self).init(parent)
layout = QHBoxLayout()
self.btn1 = QRadioButton("Button1")
self.btn1.setChecked(True)
self.btn1.toggled.connect(lambda: self.btnstate(self.btn1))
layout.addWidget(self.btn1)
self.btn2 = QRadioButton("Button2")
self.btn2.toggled.connect(lambda: self.btnstate(self.btn2))
layout.addWidget(self.btn2)
self.setLayout(layout)
self.setWindowTitle("RadioButton demo")
def btnstate(self, btn):
if btn.text() == "Button1":
if btn.isChecked() == True:
print(btn.text() + " is selected")
else:
print(btn.text() + " is deselected")
if btn.text() == "Button2":
if btn.isChecked() == True:
print(btn.text() + " is selected")
else:
print(btn.text() + " is deselected")
if name == 'main':
app = QApplication(sys.argv)
radioDemo = Radiodemo()
radioDemo.show()
sys.exit(app.exec_())
