Python 调用函数时,代码无法成功运行
我想从(module_b.py)中的方法close_call()调用(main.py)中的方法(close_ok()),但调用函数时代码无法成功运行。 有人能帮我解决这个问题吗? 下面是代码: @@@main.pyPython 调用函数时,代码无法成功运行,python,function,methods,call,Python,Function,Methods,Call,我想从(module_b.py)中的方法close_call()调用(main.py)中的方法(close_ok()),但调用函数时代码无法成功运行。 有人能帮我解决这个问题吗? 下面是代码: @@@main.py # -*- coding: utf-8 -*- from PyQt4 import QtCore, QtGui import sys from GUI import Ui_MainWindow class MainWindow(QtGui.QMainWindow,Ui_MainWin
# -*- coding: utf-8 -*-
from PyQt4 import QtCore, QtGui
import sys
from GUI import Ui_MainWindow
class MainWindow(QtGui.QMainWindow,Ui_MainWindow):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
from module_c import class_c
global b
b=class_c()
QtCore.QObject.connect(self.ui.pushButton, QtCore.SIGNAL("clicked()"), b.close_call )
def close_ok(self):
##But it can not be done successfully.
self.close()
if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
global myapp
myapp = MainWindow()
myapp.show()
sys.exit(app.exec_())
@@@模块_b.py
class class_c (object):
def __init__(self, parent=None):
self.parent=parent
### I want call method (close_ok()) in (menu class) from here
def close_call (self):
from main import MainWindow
t=MainWindow()
t.close_ok()
@@@鬼
# -*- coding: utf-8 -*-
from PyQt4 import QtCore, QtGui
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)
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
super(Ui_MainWindow, self).__init__()
MainWindow.setObjectName(_fromUtf8("MainWindow"))
MainWindow.resize(800, 600)
self.centralwidget = QtGui.QWidget(MainWindow)
self.centralwidget.setObjectName(_fromUtf8("centralwidget"))
self.pushButton = QtGui.QPushButton(self.centralwidget)
self.pushButton.setGeometry(QtCore.QRect(340, 110, 75, 23))
self.pushButton.setObjectName(_fromUtf8("pushButton"))
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtGui.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 21))
self.menubar.setObjectName(_fromUtf8("menubar"))
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtGui.QStatusBar(MainWindow)
self.statusbar.setObjectName(_fromUtf8("statusbar"))
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow", None))
self.pushButton.setText(_translate("MainWindow", "PushButton", None))
您使用MainWindow()类的不同实例,因此它不会关闭原始窗口,请按如下方式更改:
class MainWindow(QtGui.QMainWindow,Ui_MainWindow):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
from module_c import class_c
global b
b=class_c(self) #NOTICE THE CHANGE HERE
QtCore.QObject.connect(self.ui.pushButton, QtCore.SIGNAL("clicked()"), b.close_call )
def close_ok(self):
self.close()
并将模块b更改为:
class class_c (object):
def __init__(self, parent=None):
self.parent=parent
def close_call (self):
from main import MainWindow
self.parent.close_ok()# NOTICE THIS CHANGE, parent is now the original MainWindow
通过这种方式,您可以将原始的MainWindow InstanceC传递给class_c并使用它,而不是创建一个新实例?你有错误吗?它运行,但什么也不做吗?如果将
打印
放入close\u ok
中,它是否会打印到控制台?当我放入打印(close\u ok)时,代码会成功工作。但它在GUI中不起作用。Traceback(最近一次调用最后一次):文件“D:\python project\Q3\module_c.py”,第8行,在close_call self.parent.close_ok()AttributeError:“NoneType”对象没有属性“close_ok”,您也可以更改它:b=class_c(self)
(所以父对象不会是无的)?DorElias>>您能帮我吗?