python pyqt5 按钮 QRadioButton 常用
setCheckable() isChecked()
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_())
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