我想通过单击按钮更改主窗口,但是当主窗口更改时,事件不会运行。
两个窗口都已在 qt Designer 中创建 这是代码:
from PySide6.QtWidgets import *
from PySide6.QtWidgets import QPushButton
from PySide6.QtCore import QObject
from PySide6.QtCore import QCoreApplication
from PySide6.QtCore import *
from PySide6.QtGui import *
from PySide6 import QtWidgets, QtCore, QtGui
from ui_app import Ui_MainWindow
from ui_menu import Ui_MainWindow1
import sys
class MainWindow(QMainWindow, Ui_MainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.setupUi(self)
self.setWindowTitle("Login")
self.pushButton.clicked.connect(self.trocarpag)
def trocarpag(self):
if self.textuser.toPlainText() == "" :
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Preencha o Username!!!")
msg.exec()
elif self.textpass.toPlainText() == "" :
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Preencha a Password!!!")
msg.exec()
else:
###Change the Main Window####`
self.ui = Ui_MainWindow1()
self.ui.setupUi(self)
if __name__ =="__main__":
app = QApplication()
window = MainWindow()
window.show()
app.exec()
一行代码
self.ui = Ui_MainWindow1()
在类window
的对象MainWindow
中创建一个成员变量。没有代码可以替换当前窗口中的小部件或显示新窗口。