python按钮绑定函数 python添加按钮( 三 )

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有图代码
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtGui import QIcon
class Ui_mainWindow(object):
def setupUi(self, mainWindow):
mainWindow.setObjectName("mainWindow")
mainWindow.setWindowModality(QtCore.Qt.WindowModal)
mainWindow.resize(624, 511)
self.centralWidget = QtWidgets.QWidget(mainWindow)
self.centralWidget.setObjectName("centralWidget")
self.pushButton = QtWidgets.QPushButton(self.centralWidget)
self.pushButton.setGeometry(QtCore.QRect(240, 240,200, 53))
self.pushButton.setObjectName("pushButton")
self.pushButton.setText("一颗数据小白菜")
# self.pushButton.setFlat(True)
self.pushButton.setStyleSheet("background-color: rgb(164, 185, 255);"
"border-color: rgb(170, 150, 163);"
"font: 75 12pt \"Arial Narrow\";"
"color: rgb(126, 255, 46);")
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap("logo.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.pushButton.setIcon(icon)
self.pushButton.setIconSize(QtCore.QSize(50, 80))
self.pushButton.setAutoRepeatDelay(200)
mainWindow.setCentralWidget(self.centralWidget)
self.retranslateUi(mainWindow)
QtCore.QMetaObject.connectSlotsByName(mainWindow)
def retranslateUi(self, mainWindow):
_translate = QtCore.QCoreApplication.translate
mainWindow.setWindowTitle('您好')
mainWindow.setWindowIcon(QIcon('logo.png'))
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
mainWindow = QtWidgets.QMainWindow()
ui = Ui_mainWindow()
ui.setupUi(mainWindow)
mainWindow.show()
sys.exit(app.exec_())
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绑定按钮事件
我们给按钮绑定触发时间，用：
pushbutton.clicked.connect()
(1)退出事件
我们给按钮绑定退出事件:
self.pushButton.clicked.connect(mainWindow.close)
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