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PyQt 加载简单 Qt 设计器表单
在使用 PyQt 开发桌面应用程序时，使用 Qt Designer 可以大大加快 UI 的设计过程。你可以在 Qt Designer 中设计 UI，然后将其加载到 PyQt 中，从而实现分离的 UI 和逻辑代码。
问题背景
如何将一个简单的 Qt Designer 窗体加载到用 PySide 创建的 Qt 应用程序中。
解决方案
首先，使用 Qt Designer 创建一个简单的窗体，并将生成的代码从 .ui 文件复制到 .py 文件中。
代码语言：javascript代码运行次数：0运行复制# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'clientEditorForm.ui'
#
# Created: Tue Nov 3 23:46:41 2009
# by: PySide uic UI code generator
#
# WARNING! All changes made in this file will be lost!
from PySide import QtCore, QtGui
class Ui_clientEditorForm(object):
def setupUi(self, clientEditorForm):
clientEditorForm.setObjectName("clientEditorForm")
clientEditorForm.resize(575, 446)
self.horizontalLayout_3 = QtGui.QHBoxLayout(clientEditorForm)
self.horizontalLayout_3.setObjectName("horizontalLayout_3")
self.splitter = QtGui.QSplitter(clientEditorForm)
self.splitter.setOrientation(QtCore.Qt.Horizontal)
self.splitter.setObjectName("splitter")
self.layoutWidget = QtGui.QWidget(self.splitter)
self.layoutWidget.setObjectName("layoutWidget")
self.verticalLayout = QtGui.QVBoxLayout(self.layoutWidget)
self.verticalLayout.setObjectName("verticalLayout")
self.horizontalLayout_2 = QtGui.QHBoxLayout()
self.horizontalLayout_2.setObjectName("horizontalLayout_2")
self.searchLabel = QtGui.QLabel(self.layoutWidget)
self.searchLabel.setObjectName("searchLabel")
self.horizontalLayout_2.addWidget(self.searchLabel)
self.searchEdit = QtGui.QLineEdit(self.layoutWidget)
self.searchEdit.setObjectName("searchEdit")
self.horizontalLayout_2.addWidget(self.searchEdit)
self.clearButton = QtGui.QPushButton(self.layoutWidget)
self.clearButton.setObjectName("clearButton")
self.horizontalLayout_2.addWidget(self.clearButton)
self.verticalLayout.addLayout(self.horizontalLayout_2)
self.clientListView = QtGui.QListView(self.layoutWidget)
sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.clientListView.sizePolicy().hasHeightForWidth())
self.clientListView.setSizePolicy(sizePolicy)
self.clientListView.setObjectName("clientListView")
self.verticalLayout.addWidget(self.clientListView)
self.frame = QtGui.QFrame(self.splitter)
self.frame.setFrameShape(QtGui.QFrame.StyledPanel)
self.frame.setFrameShadow(QtGui.QFrame.Raised)
self.frame.setObjectName("frame")
self.verticalLayout_3 = QtGui.QVBoxLayout(self.frame)
self.verticalLayout_3.setObjectName("verticalLayout_3")
self.formLayout = QtGui.QFormLayout()
self.formLayout.setObjectName("formLayout")
self.nameEdit = QtGui.QLineEdit(self.frame)
self.nameEdit.setObjectName("nameEdit")
self.formLayout.setWidget(0, QtGui.QFormLayout.FieldRole, self.nameEdit)
self.nameLabel = QtGui.QLabel(self.frame)
self.nameLabel.setObjectName("nameLabel")
self.formLayout.setWidget(0, QtGui.QFormLayout.LabelRole, self.nameLabel)
self.profileButton = QtGui.QLabel(self.frame)
self.profileButton.setObjectName("profileButton")
self.formLayout.setWidget(1, QtGui.QFormLayout.LabelRole, self.profileButton)
self.addressLabel = QtGui.QLabel(self.frame)
self.addressLabel.setObjectName("addressLabel")
self.formLayout.setWidget(2, QtGui.QFormLayout.LabelRole, self.addressLabel)
self.locationLabel = QtGui.QLabel(self.frame)
self.locationLabel.setObjectName("locationLabel")
self.formLayout.setWidget(3, QtGui.QFormLayout.LabelRole, self.locationLabel)
self.secureLabel = QtGui.QLabel(self.frame)
self.secureLabel.setObjectName("secureLabel")
self.formLayout.setWidget(4, QtGui.QFormLayout.LabelRole, self.secureLabel)
self.UUIDLabel = QtGui.QLabel(self.frame)
self.UUIDLabel.setObjectName("UUIDLabel")
self.formLayout.setWidget(5, QtGui.QFormLayout.LabelRole, self.UUIDLabel)
self.passwordLabel = QtGui.QLabel(self.frame)
self.passwordLabel.setObjectName("passwordLabel")
self.formLayout.setWidget(6, QtGui.QFormLayout.LabelRole, self.passwordLabel)
self.profileComboBox = QtGui.QComboBox(self.frame)
self.profileComboBox.setObjectName("profileComboBox")
self.formLayout.setWidget(1, QtGui.QFormLayout.FieldRole, self.profileComboBox)
self.addressEdit = QtGui.QLineEdit(self.frame)
self.addressEdit.setObjectName("addressEdit")
self.formLayout.setWidget(2, QtGui.QFormLayout.FieldRole, self.addressEdit)
self.locationComboBox = QtGui.QComboBox(self.frame)
self.locationComboBox.setObjectName("locationComboBox")
self.formLayout.setWidget(3, QtGui.QFormLayout.FieldRole, self.locationComboBox)
self.secureComboBox = QtGui.QComboBox(self.frame)
self.secureComboBox.setObjectName("secureComboBox")
self.formLayout.setWidget(4, QtGui.QFormLayout.FieldRole, self.secureComboBox)
self.UUIDEdit = QtGui.QLineEdit(self.frame)
self.UUIDEdit.setObjectName("UUIDEdit")
self.formLayout.setWidget(5, QtGui.QFormLayout.FieldRole, self.UUIDEdit)
self.passwordEdit = QtGui.QLineEdit(self.frame)
self.passwordEdit.setObjectName("passwordEdit")
self.formLayout.setWidget(6, QtGui.QFormLayout.FieldRole, self.passwordEdit)
self.verticalLayout_3.addLayout(self.formLayout)
self.aliasesGroupBox = QtGui.QGroupBox(self.frame)
self.aliasesGroupBox.setFlat(False)
self.aliasesGroupBox.setCheckable(False)
self.aliasesGroupBox.setObjectName("aliasesGroupBox")
self.verticalLayout_2 = QtGui.QVBoxLayout(self.aliasesGroupBox)
self.verticalLayout_2.setObjectName("verticalLayout_2")
self.aliasesListView = QtGui.QListView(self.aliasesGroupBox)
self.aliasesListView.setObjectName("aliasesListView")
self.verticalLayout_2.addWidget(self.aliasesListView)
self.horizontalLayout_4 = QtGui.QHBoxLayout()
self.horizontalLayout_4.setObjectName("horizontalLayout_4")
spacerItem = QtGui.QSpacerItem(40, 20, QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
self.horizontalLayout_4.addItem(spacerItem)
self.addButton = QtGui.QPushButton(self.aliasesGroupBox)
self.addButton.setObjectName("addButton")
self.horizontalLayout_4.addWidget(self.addButton)
self.removeButton = QtGui.QPushButton(self.aliasesGroupBox)
self.removeButton.setObjectName("removeButton")
self.horizontalLayout_4.addWidget(self.removeButton)
self.verticalLayout_2.addLayout(self.horizontalLayout_4)
self.verticalLayout_3.addWidget(self.aliasesGroupBox)
spacerItem1 = QtGui.QSpacerItem(20, 38, QtGui.QSizePolicy.Minimum, QtGui.QSizePolicy.Expanding)
self.verticalLayout_3.addItem(spacerItem1)
self.horizontalLayout = QtGui.QHBoxLayout()
self.horizontalLayout.setObjectName("horizontalLayout")
spacerItem2 = QtGui.QSpacerItem(40, 20, QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
self.horizontalLayout.addItem(spacerItem2)
self.revertButton = QtGui.QPushButton(self.frame)
self.revertButton.setObjectName("revertButton")
self.horizontalLayout.addWidget(self.revertButton)
self.applyButton = QtGui.QPushButton(self.frame)
self.applyButton.setObjectName("applyButton")
self.horizontalLayout.addWidget(self.applyButton)
self.verticalLayout_3.addLayout(self.horizontalLayout)
self.horizontalLayout_3.addWidget(self.splitter)
self.searchLabel.setBuddy(self.searchEdit)
self.nameLabel其实我要说的就是有两种主要方式可以在 PyQt 中加载 Qt Designer 表单：
1、将 .ui 文件转换为 Python 代码：使用 pyuic5 将 Qt Designer 生成的 .ui 文件转换为 Python 文件，然后在代码中直接使用。
2、动态加载 .ui 文件：通过 uic.loadUi() 函数动态加载 .ui 文件，不需要预先转换。
这两种方式都可以让我们在 PyQt 应用程序中轻松使用 Qt Designer 设计的界面，并将界面设计和业务逻辑分离。
本文标签： PyQt 加载简单 Qt 设计器表单
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