所以我有2个GUI。一个是主gui,它具有一个按钮来激活第二个gui。第二个gui是一个简单的计算器,可以将两个数字与外部函数求和。第二个gui(计算器)可以独立运行,但是当我尝试从主gui激活第二个gui时,程序崩溃了,所以我可能做错了。另外,如果我将main中的代码更改为此:
class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
def __init__(self, parent=None):
QtWidgets.QMainWindow.__init__(self, parent)
self.setupUi(self)
self.SumCalcBtn.clicked.connect(self.OpenSecondWindow)
def OpenSecondWindow(self):
self.ex = SumCalculator(self)
self.ex.show()
当我按下按钮求和时,它会运行,但在第二个gui中却不执行任何操作。
我附上代码以更好地理解:
Main.py
import sys
from calculators import summary
from PyQt5 import QtCore, QtGui, QtWidgets
from SummaryUI import Ui_SummaryUI
from SummaryMain import SumCalc
from MainWindow import Ui_MainWindow
class SumCalculator(SumCalc):
def __init__(self, parent=None):
QtWidgets.QMainWindow.__init__(self, parent)
self.setupUi(self)
class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
def __init__(self, parent=None):
QtWidgets.QMainWindow.__init__(self, parent)
self.setupUi(self)
self.SumCalcBtn.clicked.connect(self.OpenSecondWindow)
def OpenSecondWindow(self):
self.ex = SumCalc(self)
self.ex.show()
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
window = MainWindow()
window.show()
sys.exit(app.exec_())
SummaryMain.py
import sys
from calculators import summary
from PyQt5 import QtCore, QtGui, QtWidgets
from SummaryUI import Ui_SummaryUI
class SumCalc(QtWidgets.QMainWindow, Ui_SummaryUI):
def __init__(self):
QtWidgets.QMainWindow.__init__(self)
Ui_SummaryUI.__init__(self)
self.setupUi(self)
self.CalculateSumBtn.clicked.connect(self.sum_function)
def sum_function(self):
number_a = int(self.FirstNumberInput.text())
number_b = int(self.SecondNumberInput.text())
sum = summary(number_a, number_b)
self.SumResultsValue.setText(str(sum))
if __name__ == "__main__":
app = QtWidgets.QApplication(sys.argv)
window = SumCalc()
window.show()
sys.exit(app.exec_())
将self.ex = SumCalc(self)
替换为self.ex = SumCalc()
,因为SumCalc的构造函数(__init__
)函数不接受任何参数(def __init__(self)
)或突出显示将参数parent添加到SumCalc的构造函数中,使其变为def __init__(self, parent=none)