使用Qt Designer生成的两个UI文件，实现在主界面中点击后弹出另一个界面

Qt Designer生成的ui 代码

policy.py

# Form implementation generated from reading ui file 'policy.ui'
#
# Created by: PyQt6 UI code generator 6.4.2
#
# WARNING: Any manual changes made to this file will be lost when pyuic6 is
# run again.  Do not edit this file unless you know what you are doing.


from PyQt6 import QtCore, QtGui, QtWidgets


class Ui_DialogPolicy(object):
    def setupUi(self, DialogPolicy):
        DialogPolicy.setObjectName("DialogPolicy")
        DialogPolicy.resize(721, 557)
        DialogPolicy.setSizeGripEnabled(False)
        self.gridLayout = QtWidgets.QGridLayout(DialogPolicy)
        self.gridLayout.setObjectName("gridLayout")
        self.horizontalLayout = QtWidgets.QHBoxLayout()
        self.horizontalLayout.setObjectName("horizontalLayout")
        self.pushButton_config = QtWidgets.QPushButton(parent=DialogPolicy)
        self.pushButton_config.setObjectName("pushButton_config")
        self.horizontalLayout.addWidget(self.pushButton_config)
        self.pushButton_init = QtWidgets.QPushButton(parent=DialogPolicy)
        self.pushButton_init.setObjectName("pushButton_init")
        self.horizontalLayout.addWidget(self.pushButton_init)
        spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
        self.horizontalLayout.addItem(spacerItem)
        self.comboBox_policyType = QtWidgets.QComboBox(parent=DialogPolicy)
        self.comboBox_policyType.setObjectName("comboBox_policyType")
        self.comboBox_policyType.addItem("")
        self.comboBox_policyType.addItem("")
        self.horizontalLayout.addWidget(self.comboBox_policyType)
        self.pushButton_syncAssignPolicy = QtWidgets.QPushButton(parent=DialogPolicy)
        self.pushButton_syncAssignPolicy.setObjectName("pushButton_syncAssignPolicy")
        self.horizontalLayout.addWidget(self.pushButton_syncAssignPolicy)
        self.pushButton_syncAllPolicy = QtWidgets.QPushButton(parent=DialogPolicy)
        self.pushButton_syncAllPolicy.setObjectName("pushButton_syncAllPolicy")
        self.horizontalLayout.addWidget(self.pushButton_syncAllPolicy)
        self.gridLayout.addLayout(self.horizontalLayout, 0, 0, 1, 1)
        self.verticalLayout = QtWidgets.QVBoxLayout()
        self.verticalLayout.setObjectName("verticalLayout")
        self.label_policy = QtWidgets.QLabel(parent=DialogPolicy)
        self.label_policy.setObjectName("label_policy")
        self.verticalLayout.addWidget(self.label_policy)
        self.listView_policyList = QtWidgets.QListView(parent=DialogPolicy)
        self.listView_policyList.setObjectName("listView_policyList")
        self.verticalLayout.addWidget(self.listView_policyList)
        self.label_log = QtWidgets.QLabel(parent=DialogPolicy)
        self.label_log.setObjectName("label_log")
        self.verticalLayout.addWidget(self.label_log)
        self.textEdit_log = QtWidgets.QTextEdit(parent=DialogPolicy)
        self.textEdit_log.setObjectName("textEdit_log")
        self.verticalLayout.addWidget(self.textEdit_log)
        self.gridLayout.addLayout(self.verticalLayout, 1, 0, 1, 1)

        self.retranslateUi(DialogPolicy)
        QtCore.QMetaObject.connectSlotsByName(DialogPolicy)

    def retranslateUi(self, DialogPolicy):
        _translate = QtCore.QCoreApplication.translate
        DialogPolicy.setWindowTitle(_translate("DialogPolicy", "Dialog"))
        self.pushButton_config.setText(_translate("DialogPolicy", "服务器配置"))
        self.pushButton_init.setText(_translate("DialogPolicy", "初始化"))
        self.comboBox_policyType.setCurrentText(_translate("DialogPolicy", "DLP策略"))
        self.comboBox_policyType.setItemText(0, _translate("DialogPolicy", "DLP策略"))
        self.comboBox_policyType.setItemText(1, _translate("DialogPolicy", "ASEG策略"))
        self.pushButton_syncAssignPolicy.setText(_translate("DialogPolicy", "同步指定策略"))
        self.pushButton_syncAllPolicy.setText(_translate("DialogPolicy", "同步全部策略"))
        self.label_policy.setText(_translate("DialogPolicy", "策略"))
        self.label_log.setText(_translate("DialogPolicy", "日志"))

config.py

# Form implementation generated from reading ui file 'config.ui'
#
# Created by: PyQt6 UI code generator 6.4.2
#
# WARNING: Any manual changes made to this file will be lost when pyuic6 is
# run again.  Do not edit this file unless you know what you are doing.


from PyQt6 import QtCore, QtGui, QtWidgets


class Ui_DialogConfig(object):
    def setupUi(self, DialogConfig):
        DialogConfig.setObjectName("DialogConfig")
        DialogConfig.resize(584, 300)
        DialogConfig.setMinimumSize(QtCore.QSize(500, 300))
        DialogConfig.setMaximumSize(QtCore.QSize(1000, 500))
        self.horizontalLayout_3 = QtWidgets.QHBoxLayout(DialogConfig)
        self.horizontalLayout_3.setObjectName("horizontalLayout_3")
        self.SourcegroupBox = QtWidgets.QGroupBox(parent=DialogConfig)
        self.SourcegroupBox.setObjectName("SourcegroupBox")
        self.horizontalLayout = QtWidgets.QHBoxLayout(self.SourcegroupBox)
        self.horizontalLayout.setObjectName("horizontalLayout")
        self.formLayout = QtWidgets.QFormLayout()
        self.formLayout.setObjectName("formLayout")
        self.SourceIPLabel = QtWidgets.QLabel(parent=self.SourcegroupBox)
        self.SourceIPLabel.setObjectName("SourceIPLabel")
        self.formLayout.setWidget(0, QtWidgets.QFormLayout.ItemRole.LabelRole, self.SourceIPLabel)
        self.SourceIPLineEdit = QtWidgets.QLineEdit(parent=self.SourcegroupBox)
        self.SourceIPLineEdit.setObjectName("SourceIPLineEdit")
        self.formLayout.setWidget(0, QtWidgets.QFormLayout.ItemRole.FieldRole, self.SourceIPLineEdit)
        self.SourceSSHPortLabel = QtWidgets.QLabel(parent=self.SourcegroupBox)
        self.SourceSSHPortLabel.setObjectName("SourceSSHPortLabel")
        self.formLayout.setWidget(1, QtWidgets.QFormLayout.ItemRole.LabelRole, self.SourceSSHPortLabel)
        self.SourceSSHPortLineEdit = QtWidgets.QLineEdit(parent=self.SourcegroupBox)
        self.SourceSSHPortLineEdit.setObjectName("SourceSSHPortLineEdit")
        self.formLayout.setWidget(1, QtWidgets.QFormLayout.ItemRole.FieldRole, self.SourceSSHPortLineEdit)
        self.SourceSSHUserLabel = QtWidgets.QLabel(parent=self.SourcegroupBox)
        self.SourceSSHUserLabel.setObjectName("SourceSSHUserLabel")
        self.formLayout.setWidget(2, QtWidgets.QFormLayout.ItemRole.LabelRole, self.SourceSSHUserLabel)
        self.SourceSSHUserLineEdit = QtWidgets.QLineEdit(parent=self.SourcegroupBox)
        self.SourceSSHUserLineEdit.setObjectName("SourceSSHUserLineEdit")
        self.formLayout.setWidget(2, QtWidgets.QFormLayout.ItemRole.FieldRole, self.SourceSSHUserLineEdit)
        self.SourceSSHPwdLabel = QtWidgets.QLabel(parent=self.SourcegroupBox)
        self.SourceSSHPwdLabel.setObjectName("SourceSSHPwdLabel")
        self.formLayout.setWidget(3, QtWidgets.QFormLayout.ItemRole.LabelRole, self.SourceSSHPwdLabel)
        self.SourceSSHPwdLineEdit = QtWidgets.QLineEdit(parent=self.SourcegroupBox)
        self.SourceSSHPwdLineEdit.setObjectName("SourceSSHPwdLineEdit")
        self.formLayout.setWidget(3, QtWidgets.QFormLayout.ItemRole.FieldRole, self.SourceSSHPwdLineEdit)
        self.SourceJavaPortLabel = QtWidgets.QLabel(parent=self.SourcegroupBox)
        self.SourceJavaPortLabel.setObjectName("SourceJavaPortLabel")
        self.formLayout.setWidget(4, QtWidgets.QFormLayout.ItemRole.LabelRole, self.SourceJavaPortLabel)
        self.SourceJavaPortLineEdit = QtWidgets.QLineEdit(parent=self.SourcegroupBox)
        self.SourceJavaPortLineEdit.setObjectName("SourceJavaPortLineEdit")
        self.formLayout.setWidget(4, QtWidgets.QFormLayout.ItemRole.FieldRole, self.SourceJavaPortLineEdit)
        self.SourcePostgresIPLabel = QtWidgets.QLabel(parent=self.SourcegroupBox)
        self.SourcePostgresIPLabel.setObjectName("SourcePostgresIPLabel")
        self.formLayout.setWidget(5, QtWidgets.QFormLayout.ItemRole.LabelRole, self.SourcePostgresIPLabel)
        self.SourcePostgresIPLineEdit = QtWidgets.QLineEdit(parent=self.SourcegroupBox)
        self.SourcePostgresIPLineEdit.setObjectName("SourcePostgresIPLineEdit")
        self.formLayout.setWidget(5, QtWidgets.QFormLayout.ItemRole.FieldRole, self.SourcePostgresIPLineEdit)
        self.SourcePostgresPortLabel = QtWidgets.QLabel(parent=self.SourcegroupBox)
        self.SourcePostgresPortLabel.setObjectName("SourcePostgresPortLabel")
        self.formLayout.setWidget(6, QtWidgets.QFormLayout.ItemRole.LabelRole, self.SourcePostgresPortLabel)
        self.SourcePostgresPortLineEdit = QtWidgets.QLineEdit(parent=self.SourcegroupBox)
        self.SourcePostgresPortLineEdit.setObjectName("SourcePostgresPortLineEdit")
        self.formLayout.setWidget(6, QtWidgets.QFormLayout.ItemRole.FieldRole, self.SourcePostgresPortLineEdit)
        self.SourcePostgresUserLabel = QtWidgets.QLabel(parent=self.SourcegroupBox)
        self.SourcePostgresUserLabel.setObjectName("SourcePostgresUserLabel")
        self.formLayout.setWidget(7, QtWidgets.QFormLayout.ItemRole.LabelRole, self.SourcePostgresUserLabel)
        self.SourcePostgresUserLineEdit = QtWidgets.QLineEdit(parent=self.SourcegroupBox)
        self.SourcePostgresUserLineEdit.setObjectName("SourcePostgresUserLineEdit")
        self.formLayout.setWidget(7, QtWidgets.QFormLayout.ItemRole.FieldRole, self.SourcePostgresUserLineEdit)
        self.SourcePostgresPwdLabel = QtWidgets.QLabel(parent=self.SourcegroupBox)
        self.SourcePostgresPwdLabel.setObjectName("SourcePostgresPwdLabel")
        self.formLayout.setWidget(8, QtWidgets.QFormLayout.ItemRole.LabelRole, self.SourcePostgresPwdLabel)
        self.SourcePostgresPwdLineEdit = QtWidgets.QLineEdit(parent=self.SourcegroupBox)
        self.SourcePostgresPwdLineEdit.setObjectName("SourcePostgresPwdLineEdit")
        self.formLayout.setWidget(8, QtWidgets.QFormLayout.ItemRole.FieldRole, self.SourcePostgresPwdLineEdit)
        self.horizontalLayout.addLayout(self.formLayout)
        self.horizontalLayout_3.addWidget(self.SourcegroupBox)
        self.TargetgroupBox = QtWidgets.QGroupBox(parent=DialogConfig)
        self.TargetgroupBox.setObjectName("TargetgroupBox")
        self.horizontalLayout_2 = QtWidgets.QHBoxLayout(self.TargetgroupBox)
        self.horizontalLayout_2.setObjectName("horizontalLayout_2")
        self.formLayout_2 = QtWidgets.QFormLayout()
        self.formLayout_2.setObjectName("formLayout_2")
        self.TargetIPLabel = QtWidgets.QLabel(parent=self.TargetgroupBox)
        self.TargetIPLabel.setObjectName("TargetIPLabel")
        self.formLayout_2.setWidget(0, QtWidgets.QFormLayout.ItemRole.LabelRole, self.TargetIPLabel)
        self.TargetIPLineEdit = QtWidgets.QLineEdit(parent=self.TargetgroupBox)
        self.TargetIPLineEdit.setObjectName("TargetIPLineEdit")
        self.formLayout_2.setWidget(0, QtWidgets.QFormLayout.ItemRole.FieldRole, self.TargetIPLineEdit)
        self.TargetSSHPortLabel = QtWidgets.QLabel(parent=self.TargetgroupBox)
        self.TargetSSHPortLabel.setObjectName("TargetSSHPortLabel")
        self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.ItemRole.LabelRole, self.TargetSSHPortLabel)
        self.TargetSSHPortLineEdit = QtWidgets.QLineEdit(parent=self.TargetgroupBox)
        self.TargetSSHPortLineEdit.setObjectName("TargetSSHPortLineEdit")
        self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.ItemRole.FieldRole, self.TargetSSHPortLineEdit)
        self.TargetSSHUserLabel = QtWidgets.QLabel(parent=self.TargetgroupBox)
        self.TargetSSHUserLabel.setObjectName("TargetSSHUserLabel")
        self.formLayout_2.setWidget(2, QtWidgets.QFormLayout.ItemRole.LabelRole, self.TargetSSHUserLabel)
        self.TargetSSHUserLineEdit = QtWidgets.QLineEdit(parent=self.TargetgroupBox)
        self.TargetSSHUserLineEdit.setObjectName("TargetSSHUserLineEdit")
        self.formLayout_2.setWidget(2, QtWidgets.QFormLayout.ItemRole.FieldRole, self.TargetSSHUserLineEdit)
        self.TargetSSHPwdLabel = QtWidgets.QLabel(parent=self.TargetgroupBox)
        self.TargetSSHPwdLabel.setObjectName("TargetSSHPwdLabel")
        self.formLayout_2.setWidget(3, QtWidgets.QFormLayout.ItemRole.LabelRole, self.TargetSSHPwdLabel)
        self.TargetSSHPwdLineEdit = QtWidgets.QLineEdit(parent=self.TargetgroupBox)
        self.TargetSSHPwdLineEdit.setObjectName("TargetSSHPwdLineEdit")
        self.formLayout_2.setWidget(3, QtWidgets.QFormLayout.ItemRole.FieldRole, self.TargetSSHPwdLineEdit)
        self.TargetJavaPortLabel = QtWidgets.QLabel(parent=self.TargetgroupBox)
        self.TargetJavaPortLabel.setObjectName("TargetJavaPortLabel")
        self.formLayout_2.setWidget(4, QtWidgets.QFormLayout.ItemRole.LabelRole, self.TargetJavaPortLabel)
        self.TargetJavaPortLineEdit = QtWidgets.QLineEdit(parent=self.TargetgroupBox)
        self.TargetJavaPortLineEdit.setObjectName("TargetJavaPortLineEdit")
        self.formLayout_2.setWidget(4, QtWidgets.QFormLayout.ItemRole.FieldRole, self.TargetJavaPortLineEdit)
        self.TargetPostgresIPLabel = QtWidgets.QLabel(parent=self.TargetgroupBox)
        self.TargetPostgresIPLabel.setObjectName("TargetPostgresIPLabel")
        self.formLayout_2.setWidget(5, QtWidgets.QFormLayout.ItemRole.LabelRole, self.TargetPostgresIPLabel)
        self.TargetPostgresIPLineEdit = QtWidgets.QLineEdit(parent=self.TargetgroupBox)
        self.TargetPostgresIPLineEdit.setObjectName("TargetPostgresIPLineEdit")
        self.formLayout_2.setWidget(5, QtWidgets.QFormLayout.ItemRole.FieldRole, self.TargetPostgresIPLineEdit)
        self.TargetPostgresPortLabel = QtWidgets.QLabel(parent=self.TargetgroupBox)
        self.TargetPostgresPortLabel.setObjectName("TargetPostgresPortLabel")
        self.formLayout_2.setWidget(6, QtWidgets.QFormLayout.ItemRole.LabelRole, self.TargetPostgresPortLabel)
        self.TargetPostgresPortLineEdit = QtWidgets.QLineEdit(parent=self.TargetgroupBox)
        self.TargetPostgresPortLineEdit.setObjectName("TargetPostgresPortLineEdit")
        self.formLayout_2.setWidget(6, QtWidgets.QFormLayout.ItemRole.FieldRole, self.TargetPostgresPortLineEdit)
        self.TargetPostgresUserLabel = QtWidgets.QLabel(parent=self.TargetgroupBox)
        self.TargetPostgresUserLabel.setObjectName("TargetPostgresUserLabel")
        self.formLayout_2.setWidget(7, QtWidgets.QFormLayout.ItemRole.LabelRole, self.TargetPostgresUserLabel)
        self.TargetPostgresUserLineEdit = QtWidgets.QLineEdit(parent=self.TargetgroupBox)
        self.TargetPostgresUserLineEdit.setObjectName("TargetPostgresUserLineEdit")
        self.formLayout_2.setWidget(7, QtWidgets.QFormLayout.ItemRole.FieldRole, self.TargetPostgresUserLineEdit)
        self.TargetPostgresPwdLabel = QtWidgets.QLabel(parent=self.TargetgroupBox)
        self.TargetPostgresPwdLabel.setObjectName("TargetPostgresPwdLabel")
        self.formLayout_2.setWidget(8, QtWidgets.QFormLayout.ItemRole.LabelRole, self.TargetPostgresPwdLabel)
        self.TargetPostgresPwdLineEdit = QtWidgets.QLineEdit(parent=self.TargetgroupBox)
        self.TargetPostgresPwdLineEdit.setObjectName("TargetPostgresPwdLineEdit")
        self.formLayout_2.setWidget(8, QtWidgets.QFormLayout.ItemRole.FieldRole, self.TargetPostgresPwdLineEdit)
        self.horizontalLayout_2.addLayout(self.formLayout_2)
        self.horizontalLayout_3.addWidget(self.TargetgroupBox)

        self.retranslateUi(DialogConfig)
        QtCore.QMetaObject.connectSlotsByName(DialogConfig)

    def retranslateUi(self, DialogConfig):
        _translate = QtCore.QCoreApplication.translate
        DialogConfig.setWindowTitle(_translate("DialogConfig", "Dialog"))
        self.SourcegroupBox.setTitle(_translate("DialogConfig", "源主机配置项"))
        self.SourceIPLabel.setText(_translate("DialogConfig", "UCSS地址："))
        self.SourceSSHPortLabel.setText(_translate("DialogConfig", "SSH端口："))
        self.SourceSSHUserLabel.setText(_translate("DialogConfig", "SSH用户名："))
        self.SourceSSHPwdLabel.setText(_translate("DialogConfig", "SSH密码："))
        self.SourceJavaPortLabel.setText(_translate("DialogConfig", "Java服务端口："))
        self.SourcePostgresIPLabel.setText(_translate("DialogConfig", "PGSQL地址:"))
        self.SourcePostgresPortLabel.setText(_translate("DialogConfig", "PGSQL端口："))
        self.SourcePostgresUserLabel.setText(_translate("DialogConfig", "PGSQL用户名："))
        self.SourcePostgresPwdLabel.setText(_translate("DialogConfig", "PGSQL密码："))
        self.TargetgroupBox.setTitle(_translate("DialogConfig", "目的主机配置项"))
        self.TargetIPLabel.setText(_translate("DialogConfig", "UCSS地址："))
        self.TargetSSHPortLabel.setText(_translate("DialogConfig", "SSH端口："))
        self.TargetSSHUserLabel.setText(_translate("DialogConfig", "SSH用户名："))
        self.TargetSSHPwdLabel.setText(_translate("DialogConfig", "SSH密码："))
        self.TargetJavaPortLabel.setText(_translate("DialogConfig", "Java服务端口："))
        self.TargetPostgresIPLabel.setText(_translate("DialogConfig", "PGSQL地址：:"))
        self.TargetPostgresPortLabel.setText(_translate("DialogConfig", "PGSQL端口："))
        self.TargetPostgresUserLabel.setText(_translate("DialogConfig", "PGSQL用户名："))
        self.TargetPostgresPwdLabel.setText(_translate("DialogConfig", "PGSQL密码："))

如何使用他？
main.py

# -*- coding: utf-8 -*-
"""
@Time    : 2023/4/24 16:55
@FileName: main.py
"""
import sys
from PyQt6.QtWidgets import QApplication, QMainWindow, QDialog
from PyQt6.QtGui import QAction
from PyQt6.QtCore import pyqtSignal

from ui.policy import Ui_DialogPolicy
from ui.config import Ui_DialogConfig


class MainWindow(QDialog, Ui_DialogPolicy):
    # 定义一个信号，用于在主界面中点击按钮时发射给弹出界面
    showDialogSignal = pyqtSignal()

    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)
        self.setupUi(self)
        # 将按钮的clicked信号连接到槽函数
        self.pushButton_config.clicked.connect(self.show_dialog)

    def show_dialog(self):
        # 发射信号给弹出界面
        self.showDialogSignal.emit()


class DialogWindow(QDialog, Ui_DialogConfig):

    def __init__(self, parent=None):
        super(DialogWindow, self).__init__(parent)
        self.setupUi(self)

    def show_dialog(self):
        # 显示弹出界面
        self.show()


if __name__ == '__main__':
    app = QApplication(sys.argv)
    app.setStyle('Fusion')
    main_window = MainWindow()
    dialog_window = DialogWindow()
    # 将主界面的信号连接到弹出界面的槽函数
    main_window.showDialogSignal.connect(dialog_window.show_dialog)
    # 显示主界面
    main_window.show()
    app.exec()