pyqt小例子

from PyQt5 import QtCore, QtGui, QtWidgets

from PyQt5.QtWidgets import QApplication, QMainWindow

import sys

class Ui_MainWindow(object):

    def setupUi(self, MainWindow):

        MainWindow.setObjectName("MainWindow")

        MainWindow.resize(800, 600)

        self.centralwidget = QtWidgets.QWidget(MainWindow)

        self.centralwidget.setObjectName("centralwidget")

        self.label = QtWidgets.QLabel(self.centralwidget)

        self.label.setGeometry(QtCore.QRect(240, 80, 72, 15))

        self.label.setObjectName("label")

        self.pushButton = QtWidgets.QPushButton(self.centralwidget)

        self.pushButton.setGeometry(QtCore.QRect(240, 120, 93, 28))

        self.pushButton.setObjectName("pushButton")

        MainWindow.setCentralWidget(self.centralwidget)

        self.menubar = QtWidgets.QMenuBar(MainWindow)

        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 26))

        self.menubar.setObjectName("menubar")

        MainWindow.setMenuBar(self.menubar)

        self.statusbar = QtWidgets.QStatusBar(MainWindow)

        self.statusbar.setObjectName("statusbar")

        MainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(MainWindow)

        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):

        _translate = QtCore.QCoreApplication.translate

        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))

        self.label.setText(_translate("MainWindow", "TextLabel"))

        self.pushButton.setText(_translate("MainWindow", "PushButton"))

class MyWindow(QMainWindow, Ui_MainWindow):

    def __init__(self, parent=None):

        super(MyWindow, self).__init__(parent)

        self.setupUi(self)

if __name__ == '__main__':

    app = QApplication(sys.argv)

    myWin = MyWindow()

    myWin.show()

    sys.exit(app.exec_())