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添加目录浏览功能
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‎qt_driview/main.cpp

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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QApplication>
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#include <QDesktopWidget>
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#include <QFileSystemModel>
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#include <QFileIconProvider>
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#include <QTreeView>
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#include <QCommandLineParser>
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#include <QCommandLineOption>
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int main(int argc, char *argv[])
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{
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QApplication app(argc, argv);
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QCoreApplication::setApplicationVersion(QT_VERSION_STR);
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QCommandLineParser parser;
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parser.setApplicationDescription("Qt Dir View Example");
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parser.addHelpOption();
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parser.addVersionOption();
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QCommandLineOption dontUseCustomDirectoryIconsOption("c", "Set QFileIconProvider::DontUseCustomDirectoryIcons");
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parser.addOption(dontUseCustomDirectoryIconsOption);
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parser.addPositionalArgument("directory", "The directory to start in.");
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parser.process(app);
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const QString rootPath = parser.positionalArguments().isEmpty()
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? QString() : parser.positionalArguments().first();
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QFileSystemModel model;
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model.setRootPath("");
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if (parser.isSet(dontUseCustomDirectoryIconsOption))
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model.iconProvider()->setOptions(QFileIconProvider::DontUseCustomDirectoryIcons);
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QTreeView tree;
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tree.setModel(&model);
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if (!rootPath.isEmpty()) {
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const QModelIndex rootIndex = model.index(QDir::cleanPath(rootPath));
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if (rootIndex.isValid())
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tree.setRootIndex(rootIndex);
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}
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// Demonstrating look and feel features
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tree.setAnimated(false);
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tree.setIndentation(20);
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tree.setSortingEnabled(true);
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const QSize availableSize = QApplication::desktop()->availableGeometry(&tree).size();
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tree.resize(availableSize / 2);
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tree.setColumnWidth(0, tree.width() / 3);
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tree.setWindowTitle(QObject::tr("Dir View"));
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tree.show();
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return app.exec();
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}

‎qt_driview/mainwindow.cpp

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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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MainWindow::MainWindow(QWidget *parent) :
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QMainWindow(parent),
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ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}

‎qt_driview/mainwindow.h

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#ifndef MAINWINDOW_H
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#define MAINWINDOW_H
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#include <QMainWindow>
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namespace Ui {
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class MainWindow;
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}
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class MainWindow : public QMainWindow
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{
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Q_OBJECT
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public:
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explicit MainWindow(QWidget *parent = nullptr);
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~MainWindow();
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private:
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Ui::MainWindow *ui;
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};
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#endif // MAINWINDOW_H

‎qt_driview/mainwindow.ui

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<ui version="4.0">
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<class>MainWindow</class>
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<widget class="QMainWindow" name="MainWindow" >
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<property name="geometry" >
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<rect>
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<x>0</x>
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<y>0</y>
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<width>400</width>
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<height>300</height>
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</rect>
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</property>
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<property name="windowTitle" >
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<string>MainWindow</string>
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</property>
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<widget class="QMenuBar" name="menuBar" />
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<widget class="QToolBar" name="mainToolBar" />
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<widget class="QWidget" name="centralWidget" />
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<widget class="QStatusBar" name="statusBar" />
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</widget>
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<layoutDefault spacing="6" margin="11" />
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<pixmapfunction></pixmapfunction>
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<resources/>
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<connections/>
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</ui>

‎qt_driview/qt_driview.pro

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#-------------------------------------------------
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#
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# Project created by QtCreator 2023-09-27T14:08:10
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#
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#-------------------------------------------------
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QT += core gui
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greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
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TARGET = qt_driview
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TEMPLATE = app
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# The following define makes your compiler emit warnings if you use
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# any feature of Qt which has been marked as deprecated (the exact warnings
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# depend on your compiler). Please consult the documentation of the
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# deprecated API in order to know how to port your code away from it.
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DEFINES += QT_DEPRECATED_WARNINGS
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# You can also make your code fail to compile if you use deprecated APIs.
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# In order to do so, uncomment the following line.
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# You can also select to disable deprecated APIs only up to a certain version of Qt.
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#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
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CONFIG += c++11
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SOURCES += \
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main.cpp \
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mainwindow.cpp
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HEADERS += \
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mainwindow.h
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FORMS += \
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mainwindow.ui
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# Default rules for deployment.
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qnx: target.path = /tmp/$${TARGET}/bin
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else: unix:!android: target.path = /opt/$${TARGET}/bin
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!isEmpty(target.path): INSTALLS += target

‎qt_zk/mainwindow.cpp

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ui->setupUi(this);
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QString strLibPath = ":/libs/zookeeper";
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if (!QLibrary::isLibrary(strLibPath))
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{
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qDebug() << strLibPath << "!QLibrary::isLibrary";
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}
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auto m_pLib = new QLibrary(strLibPath);
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bool libload =false;
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if(!m_pLib->load()) //dll加载
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{
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qDebug()<<"load failed";
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}else
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{
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qDebug()<<"load succ";
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libload =true;
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}
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// if(!resolveFunction(m_myadd, "add"))
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// {
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// qDebug()<<"failed";
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// }else
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// {
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// int ret = m_myadd(5,8);
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// qDebug()<<"ret = "<<ret;
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// }
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// 创建按钮
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button1 = new QPushButton("切换到界面1", this);
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button2 = new QPushButton("切换到界面2", this);
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// 创建堆叠窗口
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stackedWidget = new QStackedWidget(this);
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// 将堆叠窗口和按钮添加到主窗口的布局中
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QVBoxLayout* layout = new QVBoxLayout();
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layout->addWidget(button1);
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layout->addWidget(button2);
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layout->addWidget(stackedWidget);
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QWidget* centralWidget = new QWidget(this);
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centralWidget->setLayout(layout);
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setCentralWidget(centralWidget);
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// 连接按钮的 clicked 信号到槽函数
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connect(button1, &QPushButton::clicked, this, &MyMainWindow::showPage1);
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connect(button2, &QPushButton::clicked, this, &MyMainWindow::showPage2);
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}

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