python使用Qt界面以及逻辑实现方法

class Ui_Dialog(object):
def setupUi(self, Dialog):
    Dialog.setObjectName("Dialog")
    Dialog.resize(657, 496)
    self.pushButton = QtWidgets.QPushButton(Dialog)
    self.pushButton.setGeometry(QtCore.QRect(300, 440, 75, 23))
    self.pushButton.setObjectName("pushButton")
    self.pushButton_2 = QtWidgets.QPushButton(Dialog)
    self.pushButton_2.setGeometry(QtCore.QRect(450, 440, 75, 23))
    self.pushButton_2.setObjectName("pushButton_2")
    self.buttonBox = QtWidgets.QDialogButtonBox(Dialog)
    self.buttonBox.setGeometry(QtCore.QRect(360, 190, 156, 23))
    self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
    self.buttonBox.setObjectName("buttonBox")
    self.columnView = QtWidgets.QColumnView(Dialog)
    self.columnView.setGeometry(QtCore.QRect(40, 30, 256, 192))
    self.columnView.setObjectName("columnView")
    self.calendarWidget = QtWidgets.QCalendarWidget(Dialog)
    self.calendarWidget.setGeometry(QtCore.QRect(10, 290, 248, 197))
    self.calendarWidget.setObjectName("calendarWidget")
    self.progressBar = QtWidgets.QProgressBar(Dialog)
    self.progressBar.setGeometry(QtCore.QRect(40, 250, 211, 23))
    self.progressBar.setProperty("value", 24)
    self.progressBar.setObjectName("progressBar")
    self.verticalScrollBar = QtWidgets.QScrollBar(Dialog)
    self.verticalScrollBar.setGeometry(QtCore.QRect(330, 220, 16, 160))
    self.verticalScrollBar.setOrientation(QtCore.Qt.Vertical)
    self.verticalScrollBar.setObjectName("verticalScrollBar")
    self.horizontalScrollBar = QtWidgets.QScrollBar(Dialog)
    self.horizontalScrollBar.setGeometry(QtCore.QRect(380, 110, 160, 16))
    self.horizontalScrollBar.setOrientation(QtCore.Qt.Horizontal)
    self.horizontalScrollBar.setObjectName("horizontalScrollBar")

    self.retranslateUi(Dialog)
    self.pushButton.clicked.connect(Dialog.PushButton1Clicked)
        QtCore.QMetaObject.connectSlotsByName(Dialog)


def retranslateUi(self, Dialog):
_translate = QtCore.QCoreApplication.translate
Dialog.setWindowTitle(_translate("Dialog", "Dialog"))
self.pushButton.setText(_translate("Dialog", "PushButton"))
self.pushButton_2.setText(_translate("Dialog", "PushButton")) 

class testForm(QtWidgets.QDialog):
def PushButton1Clicked(self):
    box = QtWidgets.QMessageBox()
    box.warning(self,"提示","这是一个按钮事件")

import sys
if __name__=='__main__':
  app=QtWidgets.QApplication(sys.argv) #外部参数列表
  Form=testForm() #我就是要合体的类哦 如果是空的可以直接定义 QtWidgets.QDialog也是可以的，会让新手很迷惑
  ui=Ui_Dialog() #啊啊啊，界面类也实例化了
  ui.setupUi(Form) #我要合体了
  Form.show()   #合体后的成功展示喽
  sys.exit(app.exec_()) #退出中使用的消息循环，结束消息循环时就退出程序

from testDialog import Ui_Dialog
from PyQt5 import QtCore, QtGui, QtWidgets

class testDiaog(QtWidgets.QDialog):
def __init__(self):
    QtWidgets.QDialog.__init__(self)
self.ui = Ui_Dialog()
self.ui.setupUi(self)#像自己在日自己
self.ui.pushButton_2.clicked.connect(self.PushButtonClicked2)

def PushButton1Clicked(self):
    box = QtWidgets.QMessageBox()
    box.warning(self,"提示","这是一个按钮事件")
def PushButtonClicked2(self):
self.close() #关闭

import sys
if __name__ == '__main__':
  app = QtWidgets.QApplication(sys.argv)
  window = testDiaog()
  window.show()
  sys.exit(app.exec_())

def PushButtonClicked2(self):
# self.close() #关闭
box = QtWidgets.QMessageBox()
  box.warning(self, "提示", "这是第二个按钮")