相关疑难解决方法(0)

我使用QT Designer并使用它创建我的GUI。要启动主程序，我使用以下代码：

import sys
from PyQt4 import uic, QtGui, QtCore
from PyQt4.QtGui import *
from PyQt4.QtCore import *

try:
    _fromUtf8 = QtCore.QString.fromUtf8

except AttributeError:
    def _fromUtf8(s):
    return s

try:
    _encoding = QtGui.QApplication.UnicodeUTF8
    def _translate(context, text, disambig):
        return QtGui.QApplication.translate(context, text, disambig, _encoding)

except AttributeError:
    def _translate(context, text, disambig):
        return QtGui.QApplication.translate(context, text, disambig)

def main():
    app = QtGui.QApplication(sys.argv)
    myWindow = MyWindowClass()
    myWindow.show()
    app.exec_()

main_dialog = uic.loadUiType("GUI.ui")[0]

class MyWindowClass(QtGui.QMainWindow, main_dialog):
    def __init__(self, parent=None):
        QtGui.QMainWindow.__init__(self, parent)

        self.setupUi(self)

if __name__ == "__main__": 
    main()

因此，在这一行中，main_dialog …