【PyQt5-Qt Designer】按钮系列

其他 2019-01-03 22:45:20 阅读次数: 0

【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 
 1 from PyQt5.QtWidgets import (QApplication,QWidget,QPushButton,QMessageBox,QGridLayout,QLabel)
 2 import sys
 3 
 4 class Example(QWidget):
 5     def __init__(self):
 6         super(Example, self).__init__()
 7         self.initUI()
 8 
 9     def initUI(self):
10         self.setGeometry(300,300,200,300)
11         self.setWindowTitle("抽象按钮2")
12         gridLayout = QGridLayout()
13         self.lb1 = QLabel("密码输入区：")
14         self.lb2 = QLabel("正确密码：芝麻开门")
15         self.lb3 = QLabel("你输入的密码：")
16         self.btn1 = QPushButton("芝")
17         self.btn1.setMinimumSize(40,40)
18         self.btn2 = QPushButton("麻")
19         self.btn2.setMinimumSize(40, 40)
20         self.btn3 = QPushButton("开")
21         self.btn3.setMinimumSize(40, 40)
22         self.btn4 = QPushButton("门")
23         self.btn4.setMinimumSize(40, 40)
24         gridLayout.addWidget(self.lb1,0,0,1,1)
25         gridLayout.addWidget(self.lb2,3,0,1,1)
26         gridLayout.addWidget(self.lb3,4,0,1,1)
27         gridLayout.addWidget(self.btn1,1,1,1,1)
28         gridLayout.addWidget(self.btn2,1,2,1,1)
29         gridLayout.addWidget(self.btn3,2,1,1,1)
30         gridLayout.addWidget(self.btn4,2,2,1,1)
31         self.setLayout(gridLayout)
32 
33         self.btn1.setCheckable(True)
34         self.btn2.setCheckable(True)
35         self.btn3.setCheckable(True)
36         self.btn4.setCheckable(True)
37         self.btn1.setAutoExclusive(True)
38         self.btn2.setAutoExclusive(True)
39         self.btn3.setAutoExclusive(True)
40         self.btn4.setAutoExclusive(True)
41         self.password = ""
42 
43         self.btn1.clicked.connect(self.setPassword)
44         self.btn2.clicked.connect(self.setPassword)
45         self.btn3.clicked.connect(self.setPassword)
46         self.btn4.clicked.connect(self.setPassword)
47 
48 
49     def setPassword(self,pressed):
50         word = self.sender().text()
51         if pressed:
52             if len(self.password) < 4:
53                 self.password += word
54         else:
55             self.password = self.password.replace(word, '')
56 
57         self.lb3.setText("你输入的密码："+self.password)
58         if len(self.password) == 4 and self.password == '芝麻开门':
59             QMessageBox.information(self, '提示', '恭喜，密码正确，可以进入！')
60 
61 
62 if __name__ == '__main__':
63     app = QApplication(sys.argv)
64     ex = Example()
65     ex.show()
66     sys.exit(app.exec_())
抽象按钮-案例2 
 1 from PyQt5.QtWidgets import (QApplication,QWidget,QPushButton,QMessageBox,QGridLayout,QLabel,QButtonGroup)
 2 import sys
 3 
 4 class Example(QWidget):
 5     def __init__(self):
 6         super(Example, self).__init__()
 7         self.initUI()
 8 
 9     def initUI(self):
10         self.setGeometry(300,300,200,300)
11         self.setWindowTitle("抽象按钮3")
12         gridLayout = QGridLayout()
13         self.lb1 = QLabel("密码输入区：")
14         self.lb2 = QLabel("正确密码：321")
15         self.lb3 = QLabel("你输入的密码：")
16         self.btn11 = QPushButton("1")
17         self.btn11.setMinimumSize(40,40)
18         self.btn12 = QPushButton("2")
19         self.btn12.setMinimumSize(40, 40)
20         self.btn13 = QPushButton("3")
21         self.btn13.setMinimumSize(40, 40)
22         self.btn21 = QPushButton("1")
23         self.btn21.setMinimumSize(40, 40)
24         self.btn22 = QPushButton("2")
25         self.btn22.setMinimumSize(40, 40)
26         self.btn23 = QPushButton("3")
27         self.btn23.setMinimumSize(40, 40)
28         self.btn31 = QPushButton("1")
29         self.btn31.setMinimumSize(40, 40)
30         self.btn32 = QPushButton("2")
31         self.btn32.setMinimumSize(40, 40)
32         self.btn33 = QPushButton("3")
33         self.btn33.setMinimumSize(40, 40)
34         gridLayout.addWidget(self.lb1,0,0,1,1)
35         gridLayout.addWidget(self.lb2,4,0,1,1)
36         gridLayout.addWidget(self.lb3,5,0,1,1)
37         gridLayout.addWidget(self.btn11,1,1,1,1)
38         gridLayout.addWidget(self.btn12,1,2,1,1)
39         gridLayout.addWidget(self.btn13,1,3,1,1)
40         gridLayout.addWidget(self.btn21,2,1,1,1)
41         gridLayout.addWidget(self.btn22,2,2,1,1)
42         gridLayout.addWidget(self.btn23,2,3,1,1)
43         gridLayout.addWidget(self.btn31,3,1,1,1)
44         gridLayout.addWidget(self.btn32,3,2,1,1)
45         gridLayout.addWidget(self.btn33,3,3,1,1)
46         self.setLayout(gridLayout)
47 
48         self.btn11.setCheckable(True)
49         self.btn12.setCheckable(True)
50         self.btn13.setCheckable(True)
51         self.btn21.setCheckable(True)
52         self.btn22.setCheckable(True)
53         self.btn23.setCheckable(True)
54         self.btn31.setCheckable(True)
55         self.btn32.setCheckable(True)
56         self.btn33.setCheckable(True)
57 
58         self.btg1 = QButtonGroup(self)
59         self.btg2 = QButtonGroup(self)
60         self.btg3 = QButtonGroup(self)
61 
62         self.btg1.addButton(self.btn11,1)
63         self.btg1.addButton(self.btn12,2)
64         self.btg1.addButton(self.btn13,3)
65         self.btg2.addButton(self.btn21,1)
66         self.btg2.addButton(self.btn22,2)
67         self.btg2.addButton(self.btn23,3)
68         self.btg3.addButton(self.btn31,1)
69         self.btg3.addButton(self.btn32,2)
70         self.btg3.addButton(self.btn33,3)
71 
72         self.pwd1 , self.pwd2 ,self.pwd3 = "","",""
73 
74         self.btg1.buttonClicked.connect(self.setPassWord)
75         self.btg2.buttonClicked.connect(self.setPassWord)
76         self.btg3.buttonClicked.connect(self.setPassWord)
77 
78     def setPassWord(self):
79         sender = self.sender()
80         if sender == self.btg1:
81             self.pwd1 = str(self.btg1.checkedId())
82         elif sender == self.btg2:
83             self.pwd2 = str(self.btg2.checkedId())
84         elif sender == self.btg3:
85             self.pwd3 = str(self.btg3.checkedId())
86 
87         you_password = self.pwd1+self.pwd2+self.pwd3
88         self.lb3.setText(you_password)
89         if you_password == "321":
90             QMessageBox.information(self,"提示框","恭喜你密码正确！",QMessageBox.Ok|QMessageBox.Cancel|QMessageBox.Close,QMessageBox.Ok)
91         elif len(you_password) == 3 and you_password != "321":
92             QMessageBox.warning(self,"警告框","密码输入错误，请重新输入！")
93 
94 
95 if __name__ == '__main__':
96     app = QApplication(sys.argv)
97     ex = Example()
98     ex.show()
99     sys.exit(app.exec_())
抽象按钮-案例3

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