【PyQt5-Qt Designer】按钮系列
复选框（QCheckBox）
效果如下：
参考：
https://zhuanlan.zhihu.com/p/30509947
完整代码：
from PyQt5.QtWidgets import (QApplication,QWidget,QPushButton,QGridLayout,QCheckBox,QMessageBox)
from PyQt5.QtCore import Qt
from PyQt5.QtGui import (QIcon,QFont,QPixmap)
import sys class Example(QWidget):
def __init__(self):
super(Example, self).__init__()
self.initUI() def initUI(self):
self.setGeometry(300,300,200,200)
self.setWindowTitle("复选框")
gridLayout = QGridLayout()
self.btn = QPushButton("提交")
self.cb1 = QCheckBox("全选")
self.cb2 = QCheckBox("你是")
self.cb3 = QCheckBox("我的")
self.cb4 = QCheckBox("宝贝")
gridLayout.addWidget(self.cb1,0,0,1,1)
gridLayout.addWidget(self.cb2,1,0,1,1)
gridLayout.addWidget(self.cb3,2,0,1,1)
gridLayout.addWidget(self.cb4,3,0,1,1)
gridLayout.addWidget(self.btn,4,0,1,1)
self.setLayout(gridLayout) self.cb1.stateChanged.connect(self.changecb1)
self.cb2.stateChanged.connect(self.changecb2)
self.cb3.stateChanged.connect(self.changecb2)
self.cb4.stateChanged.connect(self.changecb2)
self.btn.clicked.connect(self.btnConfirm) def changecb1(self):
if self.cb1.checkState() == Qt.Checked:
self.cb2.setChecked(1)
self.cb3.setChecked(1)
self.cb4.setChecked(1)
elif self.cb1.checkState() == Qt.Unchecked:
self.cb2.setChecked(0)
self.cb3.setChecked(0)
self.cb4.setChecked(0) def changecb2(self):
if self.cb2.checkState() and self.cb3.checkState() and self.cb4.checkState():
self.cb1.setCheckState(1)
elif self.cb2.checkState() or self.cb3.checkState() or self.cb4.checkState():
# self.cb1.setTristate()
# self.cb1.setCheckState(Qt.PartiallyChecked)
self.cb1.setCheckState(0)
else:
self.cb1.setTristate(0)
self.cb1.setCheckState(Qt.Unchecked) def btnConfirm(self):
if self.cb1.checkState():
info = "你是我的宝贝"
elif self.cb2.checkState() and self.cb3.checkState():
info = "你是我的"
elif self.cb2.checkState() and self.cb4.checkState():
info = "你是宝贝"
elif self.cb3.checkState() and self.cb4.checkState():
info = "我的宝贝"
elif self.cb2.checkState():
info = "你是"
elif self.cb3.checkState():
info = "我的"
elif self.cb4.checkState():
info = "宝贝"
else:
info = "什么都没有选中啊。。。"
reply = QMessageBox.information(self,"消息框",info) if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
ex.show()
sys.exit(app.exec_())
复选框(QCheckBox)
单选按钮（QRadioButton）
效果如下：
参考：
https://zhuanlan.zhihu.com/p/30708796
完整代码：
from PyQt5.QtWidgets import (QApplication,QWidget,QPushButton,QGridLayout,QRadioButton,QMessageBox,QButtonGroup)
from PyQt5.QtCore import Qt
from PyQt5.QtGui import (QIcon,QFont,QPixmap)
import sys class Example(QWidget):
def __init__(self):
super(Example, self).__init__()
self.initUI() def initUI(self):
self.setGeometry(300,300,200,200)
self.setWindowTitle("单选框")
gridLayout = QGridLayout()
self.btn = QPushButton("提交")
self.rb11 = QRadioButton("你是")
self.rb12 = QRadioButton("大美女")
self.rb21 = QRadioButton("我是")
self.rb22 = QRadioButton("大帅哥")
self.rb31 = QRadioButton("他是")
self.rb32 = QRadioButton("小屁孩")
gridLayout.addWidget(self.rb11,0,0,1,1)
gridLayout.addWidget(self.rb12,0,1,1,1)
gridLayout.addWidget(self.rb21,1,0,1,1)
gridLayout.addWidget(self.rb22,1,1,1,1)
gridLayout.addWidget(self.rb31,2,0,1,1)
gridLayout.addWidget(self.rb32,2,1,1,1)
gridLayout.addWidget(self.btn,3,0,1,2)
self.setLayout(gridLayout)
#建立了两个单选按钮分组，其中每个分组单选按钮是互斥的，在每个分组中分别选择一个单选按钮，然后提交就得到相应的信息了
#新建6个单选按钮。如果不增加分组，这个6个单选按钮是互斥的，因为单选按钮默认为autoExclusive（自动互斥）
#将单选按钮添加到分组中，同时分配一个id号。函数默认的id是-1 自动分配的ID保证为负数，从-2开始。 如果您正在分配自己的ID，请使用正值来避免冲突。
self.bg1 = QButtonGroup()
self.bg1.addButton(self.rb11,11)
self.bg1.addButton(self.rb21,21)
self.bg1.addButton(self.rb31,31)
self.bg2 = QButtonGroup()
self.bg2.addButton(self.rb12, 12)
self.bg2.addButton(self.rb22, 22)
self.bg2.addButton(self.rb32, 32) self.info1 = ""
self.info2 = ""
#在分组中点击给定按钮的时候会发出buttonClicked()信号，同时我们连接到rbclicked这个槽函数上
self.bg1.buttonClicked.connect(self.rb_clicked)
self.bg2.buttonClicked.connect(self.rb_clicked)
self.btn.clicked.connect(self.btn_submit) def rb_clicked(self):
sender = self.sender()
if sender == self.bg1:
if self.bg1.checkedId() == 11:
self.info1 = "你是"
elif self.bg1.checkedId() == 21:
self.info1 = "我是"
elif self.bg1.checkedId() == 31:
self.info1 = "他是"
else:
self.info1 = ""
elif sender == self.bg2:
if self.bg2.checkedId() == 12:
self.info2 = "大美女"
elif self.bg2.checkedId() == 22:
self.info2 = "大帅哥"
elif self.bg2.checkedId() == 32:
self.info2 = "小屁孩"
else:
self.info2 = "" def btn_submit(self):
if self.info1 == "" or self.info2 == "":
QMessageBox.information(self,"radioButton标题","你什么都没有选啊！")
else:
QMessageBox.information(self,"radioButton标题",self.info1+self.info2) if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
ex.show()
sys.exit(app.exec_())
单选按钮(QRadioButton)
普通按钮（QPushButton） 按钮下拉选择
效果如下：
参考：
https://zhuanlan.zhihu.com/p/32239438
完整代码：
from PyQt5.QtWidgets import (QApplication,QWidget,QPushButton,QGridLayout,QMenu,QMessageBox,QButtonGroup)
from PyQt5.QtCore import Qt,QTimer
from PyQt5.QtGui import (QIcon,QFont,QPixmap)
import sys,time class Example(QWidget):
def __init__(self):
super(Example, self).__init__()
self.initUI() def initUI(self):
self.setGeometry(300,300,300,200)
self.setWindowTitle("下拉选择按钮+计时器")
gridLayout = QGridLayout()
self.btn1 = QPushButton("这是什么？")
self.btn2 = QPushButton("发送验证码")
menu = QMenu()
menu.addAction("我是")
menu.addSeparator()
menu.addAction("世界上")
menu.addSeparator()
menu.addAction("最帅的人")
menu.addSeparator()
self.btn1.setMenu(menu)
gridLayout.addWidget(self.btn1,0,0,1,1)
gridLayout.addWidget(self.btn2,0,1,1,1)
self.setLayout(gridLayout)
self.count = 10
self.btn2.clicked.connect(self.Verification_code)
self.time = QTimer()
self.time.setInterval(1000) #设置时间间隔为1000ms
self.time.timeout.connect(self.Refresh) def Verification_code(self):
if self.btn2.isEnabled():
self.time.start() #开始计时
self.btn2.setEnabled(0) #设置按钮为未激活状态 def Refresh(self):
if self.count >0:
self.btn2.setText(str(self.count)+"秒后重发")
self.count -= 1
else:
self.time.stop()
self.bt2.setEnabled(True) ##设置按钮为使能状态
self.bt2.setText('发送验证码')
self.count = 10 if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
ex.show()
sys.exit(app.exec_())
QMenu()+QTimer()
补充 QTimer()计时器：
效果如下：
完整代码：
import time,sys
from PyQt5.QtCore import Qt,QTimer
from PyQt5.QtWidgets import (QApplication,QWidget,QPushButton,QGridLayout,QMenu,QMessageBox,QButtonGroup,QLabel) class Example(QWidget):
def __init__(self):
super(Example, self).__init__()
self.initUI() def initUI(self):
self.setGeometry(300, 300, 300, 200)
self.setWindowTitle("Qtimer计时器案例")
gridLayout = QGridLayout()
self.btn1 = QPushButton("开始计时")
self.lb = QLabel("10s计时器，发送验证码")
gridLayout.addWidget(self.lb,0,0,1,1)
gridLayout.addWidget(self.btn1,1,0,1,1)
self.setLayout(gridLayout) self.btn1.clicked.connect(self.start_timer)
self.count = 10
self.timer = QTimer()
self.timer.setInterval(1000)
self.timer.timeout.connect(self.time_count) def start_timer(self):
if self.btn1.isEnabled():
self.timer.start()
self.btn1.setEnabled(0) def time_count(self):
if self.count>0:
self.lb.setText(str(self.count) + "秒后重发")
self.count-=1
else:
self.timer.stop()
self.btn1.setText('已发送验证码')
self.lb.setText('')
self.btn1.setEnabled(True)
self.count = 10 if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
ex.show()
sys.exit(app.exec_())
QTimer()案例
工具按钮（QToolButton）
效果如下：
参考：
https://zhuanlan.zhihu.com/p/32407887
https://doc.qt.io/qt-5/qtoolbutton.html
完整代码：
from PyQt5.QtWidgets import (QApplication,QWidget,QMenu,QToolButton,QAction)
from PyQt5.QtCore import (Qt,QUrl)
from PyQt5.QtGui import (QIcon,QDesktopServices)
import sys class Example(QWidget):
def __init__(self):
super(Example, self).__init__()
self.initUI() def initUI(self):
self.setGeometry(300,300,300,200)
self.setWindowTitle("工具按钮") self.tb = QToolButton(self)
self.tb.move(100,100)
self.tb.setToolButtonStyle(Qt.ToolButtonTextBesideIcon) #设置工具按钮类型：图标在文字旁边
# self.tb.setArrowType(Qt.DownArrow) #设置箭头图标
self.tb.setToolTip("选择支付方式！") #设置提示
self.tb.setText("支付方式")
self.tb.setIcon(QIcon(r'Qt设计师/china.ico'))
self.tb.setAutoRaise(True) #此属性保持是否启用自动升起,默认是禁用的（即False）
# self.tb.setPopupMode(QToolButton.MenuButtonPopup) #按下箭头显示下拉菜单
# self.tb.setPopupMode(QToolButton.DelayedPopup) #一直按箭头 一段时间后显示下拉菜单(默认)
self.tb.setPopupMode(QToolButton.InstantPopup) # 无延时，按下图标即可显示下拉菜单 menu = QMenu()
self.alipayAct = QAction(QIcon('Qt设计师/icon/alipay.ico'),"支付宝")
self.wechatAct = QAction(QIcon('Qt设计师/icon/wechat.ico'),"微信")
self.master_cardAct = QAction(QIcon('Qt设计师/icon/master_card.ico'),"万事达")
self.visaAct = QAction(QIcon('Qt设计师/icon/visa.ico'),"Visa")
menu.addAction(self.alipayAct)
menu.addAction(self.wechatAct)
menu.addAction(self.master_cardAct)
menu.addAction(self.visaAct) self.tb.setMenu(menu) self.alipayAct.triggered.connect(self.on_click)
self.wechatAct.triggered.connect(self.on_click)
self.master_cardAct.triggered.connect(self.on_click)
self.visaAct.triggered.connect(self.on_click) def on_click(self):
if self.sender() == self.alipayAct:
QDesktopServices.openUrl(QUrl("https://www.alipay.com/"))
elif self.sender() == self.wechatAct:
QDesktopServices.openUrl(QUrl("https://pay.weixin.qq.com/index.php"))
elif self.sender() == self.visaAct:
QDesktopServices.openUrl(QUrl("https://www.visa.com.cn/"))
elif self.sender() == self.master_cardAct:
QDesktopServices.openUrl(QUrl("https://www.mastercard.com.cn/zh-cn.html")) if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
ex.show()
sys.exit(app.exec_())
QToolButton()+QAction()+QDesktopServices()+QUrl()
补充：用QT设计师完成
from PyQt5.QtWidgets import QMenu,QAction
from PyQt5.QtGui import QIcon,QDesktopServices
from PyQt5.QtCore import QUrl
from PyQt5 import QtCore, QtGui, QtWidgets class Ui_Dialog(object):
def setupUi(self, Dialog):
Dialog.setObjectName("Dialog")
Dialog.resize(571, 434)
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(12)
Dialog.setFont(font)
Dialog.setSizeGripEnabled(True) self.toolButton = QtWidgets.QToolButton(Dialog)
self.toolButton.setGeometry(QtCore.QRect(120, 100, 121, 81))
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap("china.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.toolButton.setIcon(icon)
self.toolButton.setIconSize(QtCore.QSize(50, 50))
# self.toolButton.setPopupMode(QtWidgets.QToolButton.MenuButtonPopup) #按下箭头显示下拉菜单
# self.toolButton.setPopupMode(QtWidgets.QToolButton.DelayedPopup) #一直按下箭头一段时间后显示下拉菜单
self.toolButton.setPopupMode(QtWidgets.QToolButton.InstantPopup) #无延时，按下图标即可显示下拉菜单
self.toolButton.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
self.toolButton.setAutoRaise(False)
self.toolButton.setArrowType(QtCore.Qt.NoArrow)
self.toolButton.setObjectName("toolButton") menu = QMenu(self)
self.alipayAct = QAction(QIcon('icon/alipay.ico'), '支付宝支付', self)
self.wechatAct = QAction(QIcon('icon/wechat.ico'), '微信支付', self)
self.visaAct = QAction(QIcon('icon/visa.ico'), 'Visa卡支付', self)
self.master_cardAct = QAction(QIcon('icon/master_card.ico'), '万事达卡支付', self) menu.addAction(self.alipayAct)
menu.addAction(self.wechatAct)
menu.addSeparator()
menu.addAction(self.visaAct)
menu.addAction(self.master_cardAct) self.toolButton.setMenu(menu) self.alipayAct.triggered.connect(self.on_click)
self.wechatAct.triggered.connect(self.on_click)
self.visaAct.triggered.connect(self.on_click)
self.master_cardAct.triggered.connect(self.on_click) self.retranslateUi(Dialog)
# QtCore.QMetaObject.connectSlotsByName(Dialog) def on_click(self):
if self.sender() == self.alipayAct:
QDesktopServices.openUrl(QUrl('https://www.alipay.com/'))
elif self.sender() == self.wechatAct:
QDesktopServices.openUrl(QUrl('https://pay.weixin.qq.com/index.php'))
elif self.sender() == self.visaAct:
QDesktopServices.openUrl(QUrl('https://www.visa.com.cn/'))
else:
QDesktopServices.openUrl(QUrl('https://www.mastercard.com.cn/zh-cn.html')) def retranslateUi(self, Dialog):
_translate = QtCore.QCoreApplication.translate
Dialog.setWindowTitle(_translate("Dialog", "Dialog"))
self.toolButton.setToolTip(_translate("Dialog", "选择你的支付方式"))
self.toolButton.setText(_translate("Dialog", "支付方式"))
界面
# -*- coding: utf-8 -*-
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtWidgets import QDialog, QApplication
from Ui_toolbtn import Ui_Dialog class Dialog(QDialog, Ui_Dialog):
def __init__(self, parent=None):
super(Dialog, self).__init__(parent)
self.setupUi(self) if __name__ == "__main__":
import sys
app = QApplication(sys.argv)
ui = Dialog()
ui.show()
sys.exit(app.exec_())
逻辑
抽象按钮（QAbstractButton）
效果如下：
案例1
案例2：
案例3：
参考：
https://zhuanlan.zhihu.com/p/32818176
完整代码：
from PyQt5.QtWidgets import (QApplication,QWidget,QPushButton,QMessageBox,QGridLayout,QLabel)
import sys class Example(QWidget):
def __init__(self):
super(Example, self).__init__()
self.initUI() def initUI(self):
self.setGeometry(300,300,200,300)
self.setWindowTitle("抽象按钮1")
gridLayout = QGridLayout()
self.lb1 = QLabel("密码输入区：")
self.lb2 = QLabel("正确密码：麻")
self.lb3 = QLabel("你输入的密码：")
self.btn1 = QPushButton("芝")
self.btn1.setMinimumSize(40,40)
self.btn2 = QPushButton("麻")
self.btn2.setMinimumSize(40, 40)
self.btn3 = QPushButton("开")
self.btn3.setMinimumSize(40, 40)
self.btn4 = QPushButton("门")
self.btn4.setMinimumSize(40, 40)
gridLayout.addWidget(self.lb1,0,0,1,1)
gridLayout.addWidget(self.lb2,3,0,1,1)
gridLayout.addWidget(self.lb3,4,0,1,1)
gridLayout.addWidget(self.btn1,1,1,1,1)
gridLayout.addWidget(self.btn2,1,2,1,1)
gridLayout.addWidget(self.btn3,2,1,1,1)
gridLayout.addWidget(self.btn4,2,2,1,1)
self.setLayout(gridLayout) self.btn1.setCheckable(True)
self.btn2.setCheckable(True)
self.btn3.setCheckable(True)
self.btn4.setCheckable(True)
self.btn1.setAutoExclusive(True)
self.btn2.setAutoExclusive(True)
self.btn3.setAutoExclusive(True)
self.btn4.setAutoExclusive(True) self.btn1.clicked.connect(self.setPassword)
self.btn2.clicked.connect(self.setPassword)
self.btn3.clicked.connect(self.setPassword)
self.btn4.clicked.connect(self.setPassword) def setPassword(self):
word = self.sender().text()
self.lb3.setText("你输入的密码："+word)
if word == "麻":
QMessageBox.information(self,"信息提示框","恭喜你，密码输入正确！") if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
ex.show()
sys.exit(app.exec_())
抽象按钮-案例1
from PyQt5.QtWidgets import (QApplication,QWidget,QPushButton,QMessageBox,QGridLayout,QLabel)
import sys class Example(QWidget):
def __init__(self):
super(Example, self).__init__()
self.initUI() def initUI(self):
self.setGeometry(300,300,200,300)
self.setWindowTitle("抽象按钮2")
gridLayout = QGridLayout()
self.lb1 = QLabel("密码输入区：")
self.lb2 = QLabel("正确密码：芝麻开门")
self.lb3 = QLabel("你输入的密码：")
self.btn1 = QPushButton("芝")
self.btn1.setMinimumSize(40,40)
self.btn2 = QPushButton("麻")
self.btn2.setMinimumSize(40, 40)
self.btn3 = QPushButton("开")
self.btn3.setMinimumSize(40, 40)
self.btn4 = QPushButton("门")
self.btn4.setMinimumSize(40, 40)
gridLayout.addWidget(self.lb1,0,0,1,1)
gridLayout.addWidget(self.lb2,3,0,1,1)
gridLayout.addWidget(self.lb3,4,0,1,1)
gridLayout.addWidget(self.btn1,1,1,1,1)
gridLayout.addWidget(self.btn2,1,2,1,1)
gridLayout.addWidget(self.btn3,2,1,1,1)
gridLayout.addWidget(self.btn4,2,2,1,1)
self.setLayout(gridLayout) self.btn1.setCheckable(True)
self.btn2.setCheckable(True)
self.btn3.setCheckable(True)
self.btn4.setCheckable(True)
self.btn1.setAutoExclusive(True)
self.btn2.setAutoExclusive(True)
self.btn3.setAutoExclusive(True)
self.btn4.setAutoExclusive(True)
self.password = "" self.btn1.clicked.connect(self.setPassword)
self.btn2.clicked.connect(self.setPassword)
self.btn3.clicked.connect(self.setPassword)
self.btn4.clicked.connect(self.setPassword) def setPassword(self,pressed):
word = self.sender().text()
if pressed:
if len(self.password) < 4:
self.password += word
else:
self.password = self.password.replace(word, '') self.lb3.setText("你输入的密码："+self.password)
if len(self.password) == 4 and self.password == '芝麻开门':
QMessageBox.information(self, '提示', '恭喜，密码正确，可以进入！') if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
ex.show()
sys.exit(app.exec_())
抽象按钮-案例2
from PyQt5.QtWidgets import (QApplication,QWidget,QPushButton,QMessageBox,QGridLayout,QLabel,QButtonGroup)
import sys class Example(QWidget):
def __init__(self):
super(Example, self).__init__()
self.initUI() def initUI(self):
self.setGeometry(300,300,200,300)
self.setWindowTitle("抽象按钮3")
gridLayout = QGridLayout()
self.lb1 = QLabel("密码输入区：")
self.lb2 = QLabel("正确密码：321")
self.lb3 = QLabel("你输入的密码：")
self.btn11 = QPushButton("")
self.btn11.setMinimumSize(40,40)
self.btn12 = QPushButton("")
self.btn12.setMinimumSize(40, 40)
self.btn13 = QPushButton("")
self.btn13.setMinimumSize(40, 40)
self.btn21 = QPushButton("")
self.btn21.setMinimumSize(40, 40)
self.btn22 = QPushButton("")
self.btn22.setMinimumSize(40, 40)
self.btn23 = QPushButton("")
self.btn23.setMinimumSize(40, 40)
self.btn31 = QPushButton("")
self.btn31.setMinimumSize(40, 40)
self.btn32 = QPushButton("")
self.btn32.setMinimumSize(40, 40)
self.btn33 = QPushButton("")
self.btn33.setMinimumSize(40, 40)
gridLayout.addWidget(self.lb1,0,0,1,1)
gridLayout.addWidget(self.lb2,4,0,1,1)
gridLayout.addWidget(self.lb3,5,0,1,1)
gridLayout.addWidget(self.btn11,1,1,1,1)
gridLayout.addWidget(self.btn12,1,2,1,1)
gridLayout.addWidget(self.btn13,1,3,1,1)
gridLayout.addWidget(self.btn21,2,1,1,1)
gridLayout.addWidget(self.btn22,2,2,1,1)
gridLayout.addWidget(self.btn23,2,3,1,1)
gridLayout.addWidget(self.btn31,3,1,1,1)
gridLayout.addWidget(self.btn32,3,2,1,1)
gridLayout.addWidget(self.btn33,3,3,1,1)
self.setLayout(gridLayout) self.btn11.setCheckable(True)
self.btn12.setCheckable(True)
self.btn13.setCheckable(True)
self.btn21.setCheckable(True)
self.btn22.setCheckable(True)
self.btn23.setCheckable(True)
self.btn31.setCheckable(True)
self.btn32.setCheckable(True)
self.btn33.setCheckable(True) self.btg1 = QButtonGroup(self)
self.btg2 = QButtonGroup(self)
self.btg3 = QButtonGroup(self) self.btg1.addButton(self.btn11,1)
self.btg1.addButton(self.btn12,2)
self.btg1.addButton(self.btn13,3)
self.btg2.addButton(self.btn21,1)
self.btg2.addButton(self.btn22,2)
self.btg2.addButton(self.btn23,3)
self.btg3.addButton(self.btn31,1)
self.btg3.addButton(self.btn32,2)
self.btg3.addButton(self.btn33,3) self.pwd1 , self.pwd2 ,self.pwd3 = "","","" self.btg1.buttonClicked.connect(self.setPassWord)
self.btg2.buttonClicked.connect(self.setPassWord)
self.btg3.buttonClicked.connect(self.setPassWord) def setPassWord(self):
sender = self.sender()
if sender == self.btg1:
self.pwd1 = str(self.btg1.checkedId())
elif sender == self.btg2:
self.pwd2 = str(self.btg2.checkedId())
elif sender == self.btg3:
self.pwd3 = str(self.btg3.checkedId()) you_password = self.pwd1+self.pwd2+self.pwd3
self.lb3.setText(you_password)
if you_password == "":
QMessageBox.information(self,"提示框","恭喜你密码正确！",QMessageBox.Ok|QMessageBox.Cancel|QMessageBox.Close,QMessageBox.Ok)
elif len(you_password) == 3 and you_password != "":
QMessageBox.warning(self,"警告框","密码输入错误，请重新输入！") if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
ex.show()
sys.exit(app.exec_())
抽象按钮-案例3
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