问题描述
我正在尝试使用 QT Designer 创建一个 GUI.我已使用以下教程将我的 .ui 设计器文件转换为 .py 文件:
例如,您选择了一个主窗口,因此您必须使用 QMainWindow 来实现它.
<代码>## 创建者:PyQt5 UI 代码生成器 5.7## 警告!在此文件中所做的所有更改都将丢失!导入系统从 PyQt5 导入 QtCore、QtGui、QtWidgets从 PyQt5.QtWidgets 导入 QApplication、QMainWindow类 Ui_ImageDialog(对象):def setupUi(self, MainWindow):MainWindow.setObjectName("MainWindow")MainWindow.resize(800, 600)self.centralwidget = QtWidgets.QWidget(MainWindow)self.centralwidget.setObjectName("centralwidget")self.pushButton = QtWidgets.QPushButton(self.centralwidget)self.pushButton.setGeometry(QtCore.QRect(160, 200, 191, 151))self.pushButton.setObjectName("pushButton")self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)self.pushButton_2.setGeometry(QtCore.QRect(450, 200, 191, 151))self.pushButton_2.setObjectName("pushButton_2")self.label = QtWidgets.QLabel(self.centralwidget)self.label.setGeometry(QtCore.QRect(150, 70, 501, 101))调色板 = QtGui.QPalette()画笔 = QtGui.QBrush(QtGui.QColor(255, 0, 255))Brush.setStyle(QtCore.Qt.SolidPattern)调色板.setBrush(QtGui.QPalette.Active,QtGui.QPalette.WindowText,画笔)画笔 = QtGui.QBrush(QtGui.QColor(255, 0, 255))Brush.setStyle(QtCore.Qt.SolidPattern)调色板.setBrush(QtGui.QPalette.Inactive,QtGui.QPalette.WindowText,画笔)画笔 = QtGui.QBrush(QtGui.QColor(127, 127, 127))Brush.setStyle(QtCore.Qt.SolidPattern)调色板.setBrush(QtGui.QPalette.Disabled,QtGui.QPalette.WindowText,画笔)self.label.setPalette(调色板)字体 = QtGui.QFont()字体.setPointSize(72)self.label.setFont(字体)self.label.setLayoutDirection(QtCore.Qt.LeftToRight)self.label.setObjectName("标签")MainWindow.setCentralWidget(self.centralwidget)self.menubar = QtWidgets.QMenuBar(MainWindow)self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 22))self.menubar.setObjectName("菜单栏")MainWindow.setMenuBar(self.menubar)self.statusbar = QtWidgets.QStatusBar(MainWindow)self.statusbar.setObjectName("状态栏")MainWindow.setStatusBar(self.statusbar)self.retranslateUi(MainWindow)QtCore.QMetaObject.connectSlotsByName(MainWindow)def retranslateUi(self, MainWindow):_translate = QtCore.QCoreApplication.translateMainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))self.pushButton.setText(_translate("MainWindow", "打开输入文件:"))self.pushButton_2.setText(_translate("MainWindow", "Run"))self.label.setText(_translate("MainWindow", "Happy Scraping"))应用程序 = QApplication(sys.argv)窗口 = QMainWindow()ui = Ui_ImageDialog()ui.setupUi(窗口)窗口.show()sys.exit(app.exec_())
如果你想实现一个 QDialog,你必须选择一些对话框(底部有按钮的对话框,右侧按钮的对话框或没有按钮的对话框).
I'm trying to create a GUI with QT Designer. I've converted my .ui designer file to a .py file using the following tutorial: http://pyqt.sourceforge.net/Docs/PyQt5/designer.html.
I have the following code:
# # Created by: PyQt5 UI code generator 5.7 # # WARNING! All changes made in this file will be lost! import sys from PyQt5 import QtCore, QtGui, QtWidgets from PyQt5.QtWidgets import QApplication, QDialog class Ui_ImageDialog(object): def setupUi(self, MainWindow): MainWindow.setObjectName("MainWindow") MainWindow.resize(800, 600) self.centralwidget = QtWidgets.QWidget(MainWindow) self.centralwidget.setObjectName("centralwidget") self.pushButton = QtWidgets.QPushButton(self.centralwidget) self.pushButton.setGeometry(QtCore.QRect(160, 200, 191, 151)) self.pushButton.setObjectName("pushButton") self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget) self.pushButton_2.setGeometry(QtCore.QRect(450, 200, 191, 151)) self.pushButton_2.setObjectName("pushButton_2") self.label = QtWidgets.QLabel(self.centralwidget) self.label.setGeometry(QtCore.QRect(150, 70, 501, 101)) palette = QtGui.QPalette() brush = QtGui.QBrush(QtGui.QColor(255, 0, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.WindowText, brush) brush = QtGui.QBrush(QtGui.QColor(255, 0, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.WindowText, brush) brush = QtGui.QBrush(QtGui.QColor(127, 127, 127)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.WindowText, brush) self.label.setPalette(palette) font = QtGui.QFont() font.setPointSize(72) self.label.setFont(font) self.label.setLayoutDirection(QtCore.Qt.LeftToRight) self.label.setObjectName("label") MainWindow.setCentralWidget(self.centralwidget) self.menubar = QtWidgets.QMenuBar(MainWindow) self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 22)) self.menubar.setObjectName("menubar") MainWindow.setMenuBar(self.menubar) self.statusbar = QtWidgets.QStatusBar(MainWindow) self.statusbar.setObjectName("statusbar") MainWindow.setStatusBar(self.statusbar) self.retranslateUi(MainWindow) QtCore.QMetaObject.connectSlotsByName(MainWindow) def retranslateUi(self, MainWindow): _translate = QtCore.QCoreApplication.translate MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow")) self.pushButton.setText(_translate("MainWindow", "Open Input File:")) self.pushButton_2.setText(_translate("MainWindow", "Run")) self.label.setText(_translate("MainWindow", "Happy Scraping")) app = QApplication(sys.argv) window = QDialog() ui = Ui_ImageDialog() ui.setupUi(window) window.show() sys.exit(app.exec_())
However, when I run this script, I get the following error:
File "/Users/tituskex/scrapeUI.py", line 42, in setupUi MainWindow.setCentralWidget(self.centralwidget) AttributeError: 'QDialog' object has no attribute 'setCentralWidget'
Q: Does anyone know how to fix this?
When you use qt-designer you can choose the type of widget you want to design:
For example you have chosen a Main Window, therefore you must implement it with QMainWindow.
# # Created by: PyQt5 UI code generator 5.7 # # WARNING! All changes made in this file will be lost! import sys from PyQt5 import QtCore, QtGui, QtWidgets from PyQt5.QtWidgets import QApplication, QMainWindow class Ui_ImageDialog(object): def setupUi(self, MainWindow): MainWindow.setObjectName("MainWindow") MainWindow.resize(800, 600) self.centralwidget = QtWidgets.QWidget(MainWindow) self.centralwidget.setObjectName("centralwidget") self.pushButton = QtWidgets.QPushButton(self.centralwidget) self.pushButton.setGeometry(QtCore.QRect(160, 200, 191, 151)) self.pushButton.setObjectName("pushButton") self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget) self.pushButton_2.setGeometry(QtCore.QRect(450, 200, 191, 151)) self.pushButton_2.setObjectName("pushButton_2") self.label = QtWidgets.QLabel(self.centralwidget) self.label.setGeometry(QtCore.QRect(150, 70, 501, 101)) palette = QtGui.QPalette() brush = QtGui.QBrush(QtGui.QColor(255, 0, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.WindowText, brush) brush = QtGui.QBrush(QtGui.QColor(255, 0, 255)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.WindowText, brush) brush = QtGui.QBrush(QtGui.QColor(127, 127, 127)) brush.setStyle(QtCore.Qt.SolidPattern) palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.WindowText, brush) self.label.setPalette(palette) font = QtGui.QFont() font.setPointSize(72) self.label.setFont(font) self.label.setLayoutDirection(QtCore.Qt.LeftToRight) self.label.setObjectName("label") MainWindow.setCentralWidget(self.centralwidget) self.menubar = QtWidgets.QMenuBar(MainWindow) self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 22)) self.menubar.setObjectName("menubar") MainWindow.setMenuBar(self.menubar) self.statusbar = QtWidgets.QStatusBar(MainWindow) self.statusbar.setObjectName("statusbar") MainWindow.setStatusBar(self.statusbar) self.retranslateUi(MainWindow) QtCore.QMetaObject.connectSlotsByName(MainWindow) def retranslateUi(self, MainWindow): _translate = QtCore.QCoreApplication.translate MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow")) self.pushButton.setText(_translate("MainWindow", "Open Input File:")) self.pushButton_2.setText(_translate("MainWindow", "Run")) self.label.setText(_translate("MainWindow", "Happy Scraping")) app = QApplication(sys.argv) window = QMainWindow() ui = Ui_ImageDialog() ui.setupUi(window) window.show() sys.exit(app.exec_())
If you want to implement a QDialog you must choose some of the Dialog(Dialog with Buttons Bottom, Dialog with Buttons Right or Dialog without Buttons).