![在这里插入图片描述](https://img-blog.csdnimg.cn/20200420082150795.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODA5MTQ3,size_16,color_FFFFFF,t_70)
![在这里插入图片描述](https://img-blog.csdnimg.cn/20200420095451713.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM1ODA5MTQ3,size_16,color_FFFFFF,t_70)
![在这里插入图片描述](https://img-blog.csdnimg.cn/20200420095542912.png)
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_())
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