在pyqt中,按钮单击连接在新窗口中不起作用 [英] In pyqt, button click connect not working in the new window
问题描述
我的代码中有两个窗口,首先我想打开包含 btn1 的 class first() 窗口.当我单击 btn1 时,我想打开一个新窗口并将其替换为我以前的窗口(即在当前窗口本身中打开新窗口),因此在单击 btn1 时,将显示一个包含 btn2 的类 second() 的新窗口.现在,当我按 btn2 时,我想在终端上打印hi",但不知何故连接插槽或某些东西无法正常工作.你能帮我一下吗?这是我的代码
I have two windows in my code first I want to open class first() window which contains btn1. When I click btn1, I want to open a new window and replace it with my previous window (i.e. open new window in the current window itself) so upon clicking btn1, a new window of class second() is showing up which contains btn2. Now when I press btn2, I want to print "hi" on terminal but somehow the connect slot or something is not working. Can you please help me out? Here's my code
class first(loginWindow.Ui_MainWindow):
def __init__(self, MainWindow):
super(first, self).setupUi(MainWindow)
self.btn1.clicked.connect(self.loginFunc)
def loginFunc(self):
MainWindow.setAttribute(QtCore.Qt.WA_DeleteOnClose)
displayUi = second(MainWindow)
MainWindow.show()
class second(displayWindow.Ui_MainWindow):
def __init__(self, MainWindow2):
super(second, self).setupUi(MainWindow2)
self.btn2.clicked.connect(self.dispTable)
def dispTable(self):
print("hi")
if __name__ == "__main__":
import sys
app = QtGui.QApplication(sys.argv)
MainWindow = QtGui.QMainWindow()
loginUi = first(MainWindow)
MainWindow.show()
sys.exit(app.exec_())
first() 和 second() 类继承自 qt-designer 工具创建的其他类.
The first() and second() class inherit from other classes which are created from qt-designer tool.
推荐答案
试试看:
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import *
class Ui_MainWindow1(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(264, 248)
MainWindow.setMinimumSize(QtCore.QSize(264, 248))
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.gridLayout = QtWidgets.QGridLayout(self.centralwidget)
self.gridLayout.setObjectName("gridLayout")
self.submitBtn = QtWidgets.QPushButton(self.centralwidget)
self.submitBtn.setObjectName("submitBtn")
self.gridLayout.addWidget(self.submitBtn, 0, 0, 1, 1)
MainWindow.setCentralWidget(self.centralwidget)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "first MainWindow"))
self.submitBtn.setText(_translate("MainWindow", "Go second"))
class Ui_MainWindow2(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(264, 248)
MainWindow.setMinimumSize(QtCore.QSize(264, 248))
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.gridLayout = QtWidgets.QGridLayout(self.centralwidget)
self.gridLayout.setObjectName("gridLayout")
self.pushButton = QtWidgets.QPushButton(self.centralwidget)
self.pushButton.setObjectName("pushButton")
self.gridLayout.addWidget(self.pushButton, 0, 0, 1, 1)
MainWindow.setCentralWidget(self.centralwidget)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "second MainWindow"))
self.pushButton.setText(_translate("MainWindow", "hi"))
class first(QMainWindow, Ui_MainWindow1):
def __init__(self):
super().__init__()
self.setupUi(self)
self.submitBtn.clicked.connect(self.loginFunc)
def loginFunc(self):
self.displayUi = second()
self.hide()
self.displayUi.show()
class second(QMainWindow, Ui_MainWindow2):
def __init__(self):
super().__init__()
self.setupUi(self)
self.pushButton.clicked.connect(self.dispTable)
def dispTable(self):
print("hi")
if __name__ == "__main__":
import sys
app = QApplication(sys.argv)
MainWindow = first()
MainWindow.show()
sys.exit(app.exec_())
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