我对Pyqt5并不陌生，正在尝试构建GUI。我在QtreeWidget下做了一个Qdockwidget。当我尝试将QFileSystemModel设置为Qtreewidget时，python出现错误：
TypeError：QTreeWidget.setModel（）是私有方法
下面是我的.py文件：
import os
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
#from PyQt5.QtWidgets import QApplication, QFileSystemModel, QTreeView, QWidget, QVBoxLayout,QPushButton, QMessageBox,QDialog,QTableWidget,QTabWidget
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(722, 366)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.gridLayout = QtWidgets.QGridLayout(self.centralwidget)
self.gridLayout.setObjectName("gridLayout")
self.frame = QtWidgets.QFrame(self.centralwidget)
self.frame.setFrameShape(QtWidgets.QFrame.StyledPanel)
self.frame.setFrameShadow(QtWidgets.QFrame.Raised)
self.frame.setObjectName("frame")
self.gridLayout_5 = QtWidgets.QGridLayout(self.frame)
self.gridLayout_5.setObjectName("gridLayout_5")
self.tabWidget = QtWidgets.QTabWidget(self.frame)
self.tabWidget.setStyleSheet("")
self.tabWidget.setObjectName("tabWidget")
self.XSDTree = QtWidgets.QWidget()
self.XSDTree.setEnabled(True)
font = QtGui.QFont()
font.setBold(True)
font.setWeight(75)
self.XSDTree.setFont(font)
self.XSDTree.setAccessibleName("")
self.XSDTree.setObjectName("XSDTree")
self.tabWidget.addTab(self.XSDTree, "")
self.XMLTree = QtWidgets.QWidget()
self.XMLTree.setObjectName("XMLTree")
self.tabWidget.addTab(self.XMLTree, "")
self.gridLayout_5.addWidget(self.tabWidget, 0, 0, 1, 1)
self.gridLayout.addWidget(self.frame, 0, 0, 1, 1)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 722, 21))
self.menubar.setObjectName("menubar")
self.menuMain = QtWidgets.QMenu(self.menubar)
self.menuMain.setObjectName("menuMain")
self.menuDB_Connections = QtWidgets.QMenu(self.menuMain)
self.menuDB_Connections.setObjectName("menuDB_Connections")
self.menuLoad_Source_File = QtWidgets.QMenu(self.menuMain)
self.menuLoad_Source_File.setObjectName("menuLoad_Source_File")
self.menuSettings = QtWidgets.QMenu(self.menubar)
self.menuSettings.setObjectName("menuSettings")
self.menuDefault_folder = QtWidgets.QMenu(self.menuSettings)
self.menuDefault_folder.setObjectName("menuDefault_folder")
self.menuExecution = QtWidgets.QMenu(self.menubar)
self.menuExecution.setObjectName("menuExecution")
self.menuHelp = QtWidgets.QMenu(self.menubar)
self.menuHelp.setObjectName("menuHelp")
self.menuView = QtWidgets.QMenu(self.menubar)
self.menuView.setObjectName("menuView")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.toolBar = QtWidgets.QToolBar(MainWindow)
self.toolBar.setObjectName("toolBar")
MainWindow.addToolBar(QtCore.Qt.TopToolBarArea, self.toolBar)
self.toolBar_2 = QtWidgets.QToolBar(MainWindow)
self.toolBar_2.setObjectName("toolBar_2")
MainWindow.addToolBar(QtCore.Qt.TopToolBarArea, self.toolBar_2)
self.toolBar_3 = QtWidgets.QToolBar(MainWindow)
self.toolBar_3.setObjectName("toolBar_3")
MainWindow.addToolBar(QtCore.Qt.TopToolBarArea, self.toolBar_3)
self.toolBar_4 = QtWidgets.QToolBar(MainWindow)
self.toolBar_4.setObjectName("toolBar_4")
MainWindow.addToolBar(QtCore.Qt.TopToolBarArea, self.toolBar_4)
self.FileBrowser = QtWidgets.QDockWidget(MainWindow)
self.FileBrowser.setEnabled(True)
self.FileBrowser.setFocusPolicy(QtCore.Qt.NoFocus)
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/images (45).jpg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.FileBrowser.setWindowIcon(icon)
self.FileBrowser.setObjectName("FileBrowser")
self.dockWidgetContents_5 = QtWidgets.QWidget()
self.dockWidgetContents_5.setObjectName("dockWidgetContents_5")
self.gridLayout_2 = QtWidgets.QGridLayout(self.dockWidgetContents_5)
self.gridLayout_2.setObjectName("gridLayout_2")
self.treeWidget_2 = QtWidgets.QTreeWidget(self.dockWidgetContents_5)
self.treeWidget_2.setObjectName("treeWidget_2")
self.treeWidget_2.headerItem().setText(0, "1")
self.gridLayout_2.addWidget(self.treeWidget_2, 1, 0, 1, 1)
self.model = QtWidgets.QFileSystemModel()
self.model.setFilter(QtCore.QDir.Files)
self.model.setRootPath('')
self.treeWidget_2.setModel(self.model)
m = self.treeWidget_2.selectionModel()
#m.selectionChanged.connect(self.onSelectionChanged)
self.treeWidget_2.setAnimated(True)
self.treeWidget_2.setIndentation(8)
self.treeWidget_2.setSortingEnabled(True)
self.treeWidget_2.setWindowTitle("Dir View")
self.lineEdit = QtWidgets.QLineEdit(self.dockWidgetContents_5)
self.lineEdit.setObjectName("lineEdit")
self.gridLayout_2.addWidget(self.lineEdit, 0, 0, 1, 1)
self.FileBrowser.setWidget(self.dockWidgetContents_5)
MainWindow.addDockWidget(QtCore.Qt.DockWidgetArea(1), self.FileBrowser)
self.dockWidget_5 = QtWidgets.QDockWidget(MainWindow)
icon1 = QtGui.QIcon()
icon1.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/images (2).jpg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.dockWidget_5.setWindowIcon(icon1)
self.dockWidget_5.setObjectName("dockWidget_5")
self.dockWidgetContents_6 = QtWidgets.QWidget()
self.dockWidgetContents_6.setObjectName("dockWidgetContents_6")
self.gridLayout_4 = QtWidgets.QGridLayout(self.dockWidgetContents_6)
self.gridLayout_4.setObjectName("gridLayout_4")
self.listView_2 = QtWidgets.QListView(self.dockWidgetContents_6)
self.listView_2.setObjectName("listView_2")
self.gridLayout_4.addWidget(self.listView_2, 0, 0, 1, 1)
self.dockWidget_5.setWidget(self.dockWidgetContents_6)
MainWindow.addDockWidget(QtCore.Qt.DockWidgetArea(1), self.dockWidget_5)
self.actionOracle = QtWidgets.QAction(MainWindow)
self.actionOracle.setObjectName("actionOracle")
self.actionSql_Server = QtWidgets.QAction(MainWindow)
self.actionSql_Server.setObjectName("actionSql_Server")
self.actionMySql = QtWidgets.QAction(MainWindow)
self.actionMySql.setObjectName("actionMySql")
self.actionSqlite_3 = QtWidgets.QAction(MainWindow)
self.actionSqlite_3.setObjectName("actionSqlite_3")
self.actionQuery_Builder = QtWidgets.QAction(MainWindow)
self.actionQuery_Builder.setObjectName("actionQuery_Builder")
self.actionCSV_File = QtWidgets.QAction(MainWindow)
self.actionCSV_File.setObjectName("actionCSV_File")
self.actionExcel_File = QtWidgets.QAction(MainWindow)
self.actionExcel_File.setObjectName("actionExcel_File")
self.actionDefine_NameSpaces = QtWidgets.QAction(MainWindow)
self.actionDefine_NameSpaces.setObjectName("actionDefine_NameSpaces")
self.actionSource_Files = QtWidgets.QAction(MainWindow)
self.actionSource_Files.setObjectName("actionSource_Files")
self.actionFor_Target_Files = QtWidgets.QAction(MainWindow)
self.actionFor_Target_Files.setObjectName("actionFor_Target_Files")
self.actionGenerag_XML_Document = QtWidgets.QAction(MainWindow)
self.actionGenerag_XML_Document.setObjectName("actionGenerag_XML_Document")
self.actionEncapsulation_and_Encryption = QtWidgets.QAction(MainWindow)
self.actionEncapsulation_and_Encryption.setObjectName("actionEncapsulation_and_Encryption")
self.actionExit_Application = QtWidgets.QAction(MainWindow)
self.actionExit_Application.setObjectName("actionExit_Application")
self.actionOnline_Documentation = QtWidgets.QAction(MainWindow)
self.actionOnline_Documentation.setObjectName("actionOnline_Documentation")
self.actionSearch_Topics = QtWidgets.QAction(MainWindow)
self.actionSearch_Topics.setObjectName("actionSearch_Topics")
self.actionActivate_Licence = QtWidgets.QAction(MainWindow)
self.actionActivate_Licence.setObjectName("actionActivate_Licence")
self.actionAbout = QtWidgets.QAction(MainWindow)
self.actionAbout.setObjectName("actionAbout")
self.actionLoad_CSV_File_2 = QtWidgets.QAction(MainWindow)
icon2 = QtGui.QIcon()
icon2.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/17_-_CSV_File_Flat-128.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionLoad_CSV_File_2.setIcon(icon2)
self.actionLoad_CSV_File_2.setObjectName("actionLoad_CSV_File_2")
self.actionLoad_Excel_File = QtWidgets.QAction(MainWindow)
icon3 = QtGui.QIcon()
icon3.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/698375-icon-96-document-file-xls-128.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionLoad_Excel_File.setIcon(icon3)
self.actionLoad_Excel_File.setObjectName("actionLoad_Excel_File")
self.actionDataBase_Connections_Configuration = QtWidgets.QAction(MainWindow)
self.actionDataBase_Connections_Configuration.setIcon(icon1)
self.actionDataBase_Connections_Configuration.setObjectName("actionDataBase_Connections_Configuration")
self.actionQuery_Builder_2 = QtWidgets.QAction(MainWindow)
icon4 = QtGui.QIcon()
icon4.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/download (2).png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionQuery_Builder_2.setIcon(icon4)
self.actionQuery_Builder_2.setObjectName("actionQuery_Builder_2")
self.actionMap_XSD_Schema = QtWidgets.QAction(MainWindow)
icon5 = QtGui.QIcon()
icon5.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/download (1).jpg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionMap_XSD_Schema.setIcon(icon5)
self.actionMap_XSD_Schema.setObjectName("actionMap_XSD_Schema")
self.actionDefine_Source_Folder = QtWidgets.QAction(MainWindow)
self.actionDefine_Source_Folder.setIcon(icon)
self.actionDefine_Source_Folder.setObjectName("actionDefine_Source_Folder")
self.actionDefine_Target_Folder = QtWidgets.QAction(MainWindow)
icon6 = QtGui.QIcon()
icon6.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/download (21).jpg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionDefine_Target_Folder.setIcon(icon6)
self.actionDefine_Target_Folder.setObjectName("actionDefine_Target_Folder")
self.actionGenerate_XML_Document = QtWidgets.QAction(MainWindow)
icon7 = QtGui.QIcon()
icon7.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/download (1).png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionGenerate_XML_Document.setIcon(icon7)
self.actionGenerate_XML_Document.setObjectName("actionGenerate_XML_Document")
self.actionEncryption_and_Encapsulation = QtWidgets.QAction(MainWindow)
icon8 = QtGui.QIcon()
icon8.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/download (10).png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionEncryption_and_Encapsulation.setIcon(icon8)
self.actionEncryption_and_Encapsulation.setObjectName("actionEncryption_and_Encapsulation")
self.actionPreview_XML_Document = QtWidgets.QAction(MainWindow)
self.actionPreview_XML_Document.setObjectName("actionPreview_XML_Document")
self.actionPreview_in_IE = QtWidgets.QAction(MainWindow)
icon9 = QtGui.QIcon()
icon9.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/images (11).jpg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionPreview_in_IE.setIcon(icon9)
self.actionPreview_in_IE.setObjectName("actionPreview_in_IE")
self.actionMail_Setup = QtWidgets.QAction(MainWindow)
self.actionMail_Setup.setObjectName("actionMail_Setup")
self.actionConfigure_Email = QtWidgets.QAction(MainWindow)
icon10 = QtGui.QIcon()
icon10.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/images (26).jpg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionConfigure_Email.setIcon(icon10)
self.actionConfigure_Email.setObjectName("actionConfigure_Email")
self.actionSend_Mail = QtWidgets.QAction(MainWindow)
self.actionSend_Mail.setObjectName("actionSend_Mail")
self.actionSend_Mail_2 = QtWidgets.QAction(MainWindow)
icon11 = QtGui.QIcon()
icon11.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/images (27).jpg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionSend_Mail_2.setIcon(icon11)
self.actionSend_Mail_2.setObjectName("actionSend_Mail_2")
self.actionHelp = QtWidgets.QAction(MainWindow)
icon12 = QtGui.QIcon()
icon12.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/images (46).jpg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionHelp.setIcon(icon12)
self.actionHelp.setObjectName("actionHelp")
self.actionAbout_Us = QtWidgets.QAction(MainWindow)
icon13 = QtGui.QIcon()
icon13.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/images (12).png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionAbout_Us.setIcon(icon13)
self.actionAbout_Us.setObjectName("actionAbout_Us")
self.actionFollow_Us_On_Social_Media = QtWidgets.QAction(MainWindow)
icon14 = QtGui.QIcon()
icon14.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/images (52).jpg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionFollow_Us_On_Social_Media.setIcon(icon14)
self.actionFollow_Us_On_Social_Media.setObjectName("actionFollow_Us_On_Social_Media")
self.actionActivate_Licence_2 = QtWidgets.QAction(MainWindow)
icon15 = QtGui.QIcon()
icon15.addPixmap(QtGui.QPixmap(":/ToolBarIco/Resources/Icons/images (44).jpg"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.actionActivate_Licence_2.setIcon(icon15)
self.actionActivate_Licence_2.setObjectName("actionActivate_Licence_2")
self.actionFile_Explorer = QtWidgets.QAction(MainWindow)
self.actionFile_Explorer.setCheckable(True)
self.actionFile_Explorer.setChecked(True)
self.actionFile_Explorer.setObjectName("actionFile_Explorer")
self.actionDB_Connections = QtWidgets.QAction(MainWindow)
self.actionDB_Connections.setObjectName("actionDB_Connections")
self.menuDB_Connections.addAction(self.actionOracle)
self.menuDB_Connections.addSeparator()
self.menuDB_Connections.addAction(self.actionSql_Server)
self.menuDB_Connections.addSeparator()
self.menuDB_Connections.addAction(self.actionMySql)
self.menuDB_Connections.addSeparator()
self.menuDB_Connections.addAction(self.actionSqlite_3)
self.menuLoad_Source_File.addAction(self.actionCSV_File)
self.menuLoad_Source_File.addSeparator()
self.menuLoad_Source_File.addAction(self.actionExcel_File)
self.menuMain.addAction(self.menuLoad_Source_File.menuAction())
self.menuMain.addSeparator()
self.menuMain.addAction(self.menuDB_Connections.menuAction())
self.menuMain.addSeparator()
self.menuMain.addAction(self.actionQuery_Builder)
self.menuMain.addSeparator()
self.menuMain.addAction(self.actionExit_Application)
self.menuDefault_folder.addAction(self.actionSource_Files)
self.menuDefault_folder.addSeparator()
self.menuDefault_folder.addAction(self.actionFor_Target_Files)
self.menuSettings.addAction(self.actionDefine_NameSpaces)
self.menuSettings.addSeparator()
self.menuSettings.addAction(self.menuDefault_folder.menuAction())
self.menuSettings.addSeparator()
self.menuSettings.addAction(self.actionMail_Setup)
self.menuExecution.addAction(self.actionGenerag_XML_Document)
self.menuExecution.addSeparator()
self.menuExecution.addAction(self.actionEncapsulation_and_Encryption)
self.menuExecution.addSeparator()
self.menuExecution.addAction(self.actionPreview_XML_Document)
self.menuExecution.addSeparator()
self.menuExecution.addAction(self.actionSend_Mail)
self.menuHelp.addAction(self.actionOnline_Documentation)
self.menuHelp.addSeparator()
self.menuHelp.addAction(self.actionSearch_Topics)
self.menuHelp.addSeparator()
self.menuHelp.addAction(self.actionActivate_Licence)
self.menuHelp.addSeparator()
self.menuHelp.addAction(self.actionAbout)
self.menuView.addAction(self.actionFile_Explorer)
self.menuView.addSeparator()
self.menuView.addAction(self.actionDB_Connections)
self.menubar.addAction(self.menuMain.menuAction())
self.menubar.addAction(self.menuSettings.menuAction())
self.menubar.addAction(self.menuExecution.menuAction())
self.menubar.addAction(self.menuView.menuAction())
self.menubar.addAction(self.menuHelp.menuAction())
self.toolBar.addAction(self.actionLoad_CSV_File_2)
self.toolBar.addSeparator()
self.toolBar.addAction(self.actionLoad_Excel_File)
self.toolBar.addSeparator()
self.toolBar.addAction(self.actionDataBase_Connections_Configuration)
self.toolBar.addSeparator()
self.toolBar.addAction(self.actionQuery_Builder_2)
self.toolBar_2.addAction(self.actionMap_XSD_Schema)
self.toolBar_2.addSeparator()
self.toolBar_2.addAction(self.actionDefine_Source_Folder)
self.toolBar_2.addSeparator()
self.toolBar_2.addAction(self.actionDefine_Target_Folder)
self.toolBar_2.addSeparator()
self.toolBar_2.addAction(self.actionConfigure_Email)
self.toolBar_3.addAction(self.actionGenerate_XML_Document)
self.toolBar_3.addSeparator()
self.toolBar_3.addAction(self.actionPreview_in_IE)
self.toolBar_3.addSeparator()
self.toolBar_3.addAction(self.actionEncryption_and_Encapsulation)
self.toolBar_3.addSeparator()
self.toolBar_3.addAction(self.actionSend_Mail_2)
self.toolBar_4.addAction(self.actionHelp)
self.toolBar_4.addSeparator()
self.toolBar_4.addAction(self.actionAbout_Us)
self.toolBar_4.addSeparator()
self.toolBar_4.addAction(self.actionFollow_Us_On_Social_Media)
self.toolBar_4.addAction(self.actionActivate_Licence_2)
self.retranslateUi(MainWindow)
self.tabWidget.setCurrentIndex(0)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
self.XSDTree.setToolTip(_translate("MainWindow", "<html><head/><body><p>View XSD Structure</p></body></html>"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.XSDTree), _translate("MainWindow", "Tab 1"))
self.tabWidget.setTabText(self.tabWidget.indexOf(self.XMLTree), _translate("MainWindow", "Tab 2"))
self.menuMain.setTitle(_translate("MainWindow", "Main"))
self.menuDB_Connections.setTitle(_translate("MainWindow", "DB Connections"))
self.menuLoad_Source_File.setTitle(_translate("MainWindow", "Load Source File"))
self.menuSettings.setTitle(_translate("MainWindow", "Settings"))
self.menuDefault_folder.setTitle(_translate("MainWindow", "Default folder"))
self.menuExecution.setTitle(_translate("MainWindow", "Execution"))
self.menuHelp.setTitle(_translate("MainWindow", "Help"))
self.menuView.setTitle(_translate("MainWindow", "View"))
self.toolBar.setWindowTitle(_translate("MainWindow", "toolBar"))
self.toolBar_2.setWindowTitle(_translate("MainWindow", "toolBar_2"))
self.toolBar_3.setWindowTitle(_translate("MainWindow", "toolBar_3"))
self.toolBar_4.setWindowTitle(_translate("MainWindow", "toolBar_4"))
self.lineEdit.setPlaceholderText(_translate("MainWindow", "Filter"))
self.actionOracle.setText(_translate("MainWindow", "Oracle"))
self.actionSql_Server.setText(_translate("MainWindow", "Sql Server"))
self.actionMySql.setText(_translate("MainWindow", "MySql"))
self.actionSqlite_3.setText(_translate("MainWindow", "Sqlite 3"))
self.actionQuery_Builder.setText(_translate("MainWindow", "Query Builder"))
self.actionCSV_File.setText(_translate("MainWindow", "CSV File"))
self.actionExcel_File.setText(_translate("MainWindow", "Excel File"))
self.actionDefine_NameSpaces.setText(_translate("MainWindow", "Define NameSpaces"))
self.actionSource_Files.setText(_translate("MainWindow", "For Source Files"))
self.actionFor_Target_Files.setText(_translate("MainWindow", "For Target Files"))
self.actionGenerag_XML_Document.setText(_translate("MainWindow", "Generag XML Document"))
self.actionEncapsulation_and_Encryption.setText(_translate("MainWindow", "Encapsulation and Encryption"))
self.actionExit_Application.setText(_translate("MainWindow", "Exit Application"))
self.actionOnline_Documentation.setText(_translate("MainWindow", "Documentation"))
self.actionSearch_Topics.setText(_translate("MainWindow", "Search Topics"))
self.actionActivate_Licence.setText(_translate("MainWindow", "Activate Licence"))
self.actionAbout.setText(_translate("MainWindow", "About"))
self.actionLoad_CSV_File_2.setText(_translate("MainWindow", "Load CSV File"))
self.actionLoad_CSV_File_2.setToolTip(_translate("MainWindow", "Load CSV File"))
self.actionLoad_Excel_File.setText(_translate("MainWindow", "Load Excel File"))
self.actionLoad_Excel_File.setToolTip(_translate("MainWindow", "Load Excel File"))
self.actionDataBase_Connections_Configuration.setText(_translate("MainWindow", "DataBase Connections Configuration"))
self.actionDataBase_Connections_Configuration.setToolTip(_translate("MainWindow", "DataBase Connections Configuration"))
self.actionQuery_Builder_2.setText(_translate("MainWindow", "Query Builder"))
self.actionQuery_Builder_2.setToolTip(_translate("MainWindow", "Query Builder"))
self.actionMap_XSD_Schema.setText(_translate("MainWindow", "Map XSD Schema"))
self.actionMap_XSD_Schema.setToolTip(_translate("MainWindow", "Map XSD Schema"))
self.actionDefine_Source_Folder.setText(_translate("MainWindow", "Define Source Folder"))
self.actionDefine_Source_Folder.setToolTip(_translate("MainWindow", "Define Source Folder"))
self.actionDefine_Target_Folder.setText(_translate("MainWindow", "Define Target Folder"))
self.actionDefine_Target_Folder.setToolTip(_translate("MainWindow", "Define Target Folder"))
self.actionGenerate_XML_Document.setText(_translate("MainWindow", "Generate XML Document"))
self.actionGenerate_XML_Document.setToolTip(_translate("MainWindow", "Generate XML Document"))
self.actionEncryption_and_Encapsulation.setText(_translate("MainWindow", "Encryption and Encapsulation"))
self.actionEncryption_and_Encapsulation.setToolTip(_translate("MainWindow", "Encryption and Encapsulation"))
self.actionPreview_XML_Document.setText(_translate("MainWindow", "Preview XML Document"))
self.actionPreview_in_IE.setText(_translate("MainWindow", "Preview in IE"))
self.actionPreview_in_IE.setToolTip(_translate("MainWindow", "Preview in IE"))
self.actionMail_Setup.setText(_translate("MainWindow", "Mail Setup"))
self.actionConfigure_Email.setText(_translate("MainWindow", "Configure Email"))
self.actionConfigure_Email.setToolTip(_translate("MainWindow", "Configure Email"))
self.actionSend_Mail.setText(_translate("MainWindow", "Send Mail"))
self.actionSend_Mail_2.setText(_translate("MainWindow", "Send Mail"))
self.actionSend_Mail_2.setToolTip(_translate("MainWindow", "Send Mail"))
self.actionHelp.setText(_translate("MainWindow", "Help"))
self.actionHelp.setToolTip(_translate("MainWindow", "Help"))
self.actionAbout_Us.setText(_translate("MainWindow", "About Us"))
self.actionAbout_Us.setToolTip(_translate("MainWindow", "About Us"))
self.actionFollow_Us_On_Social_Media.setText(_translate("MainWindow", "Follow Us On Social Media"))
self.actionFollow_Us_On_Social_Media.setToolTip(_translate("MainWindow", "Follow Us On Social Media"))
self.actionActivate_Licence_2.setText(_translate("MainWindow", "Activate Licence"))
self.actionActivate_Licence_2.setToolTip(_translate("MainWindow", "Activate Licence"))
self.actionFile_Explorer.setText(_translate("MainWindow", "File Explorer"))
self.actionDB_Connections.setText(_translate("MainWindow", "DB Connections"))
import ProjectResource
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())
QTreeWidget仅具有只读模型，因此您不能将其替换为其他模型，因此在您的情况下，错误消息将尝试证明它。
您的解决方案是将其更改为QTreeView：
self.treeWidget_2 = QtWidgets.QTreeView(self.dockWidgetContents_5)