为什么点击按钮后直接关闭窗口了,没有弹出对话框呢?
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'frmMain.ui'
#
# Created by: PyQt5 UI code generator 5.5.1
#
# WARNING! All changes made in this file will be lost!
import sys
from PyQt5.QtWidgets import QApplication , QMainWindow
from PyQt5 import QtCore, QtGui, QtWidgets
class Ui_frmMain(object):
def setupUi(self, frmMain):
frmMain.setObjectName("frmMain")
frmMain.resize(415, 265)
self.centralwidget = QtWidgets.QWidget(frmMain)
self.centralwidget.setObjectName("centralwidget")
self.btnFirst = QtWidgets.QPushButton(self.centralwidget)
self.btnFirst.setGeometry(QtCore.QRect(150, 70, 75, 23))
self.btnFirst.setObjectName("btnFirst")
frmMain.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(frmMain)
self.menubar.setGeometry(QtCore.QRect(0, 0, 415, 23))
self.menubar.setObjectName("menubar")
frmMain.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(frmMain)
self.statusbar.setObjectName("statusbar")
frmMain.setStatusBar(self.statusbar)
self.retranslateUi(frmMain)
self.btnFirst.clicked.connect(self.btnFirstClike)
QtCore.QMetaObject.connectSlotsByName(frmMain)
def retranslateUi(self, frmMain):
_translate = QtCore.QCoreApplication.translate
frmMain.setWindowTitle(_translate("frmMain", "我的第一个窗口"))
self.btnFirst.setText(_translate("frmMain", "第一个按钮"))
def btnFirstClike(self):
QtWidgets.QMessageBox.about(self,"测试","点击弹出窗口成功")
if __name__ == '__main__':
''' 主函数 '''
app = QApplication(sys.argv)
mainWindow = QMainWindow()
ui = Ui_frmMain()
ui.setupUi(mainWindow)
mainWindow.show()
sys.exit(app.exec_())