Qt实现网页内嵌

文章目录

一、环境准备

二、代码实现

三、测试

一、环境准备

首先，确保你的Qt安装包含了QtWebEngine模块。我的Qt是5.12.9并且使用MSVC来编译项目。在项目文件中需要添加以下配置，其中在Qt中配置MSVC，建议去看看这位大佬的博客：Qt 添加MSVC2017编译器（2022年保姆级教程，不安装完整VS）_qt msvc2017-CSDN博客

确保：

QT += core gui webenginewidgets

二、代码实现

mainwindow.cpp，主要实现的简单网页浏览器，其通过QWebEngineView组件实现了网页内嵌功能。如下为测试demo文件代码：

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QWebEngineView>
#include <QWebEnginePage>
#include <QWebEngineProfile>
#include <QStyle>
#include <QApplication>MainWindow::MainWindow(QWidget *parent): QMainWindow(parent), ui(new Ui::MainWindow)
{ui->setupUi(this);// 设置窗口标题和大小setWindowTitle("Web Browser");resize(1024, 768);// 创建工具栏toolBar = new QToolBar(this);addToolBar(toolBar);// 创建地址栏urlLineEdit = new QLineEdit(this);urlLineEdit->setPlaceholderText("Enter URL (e.g., https://www.google.com)");urlLineEdit->setStyleSheet("QLineEdit { padding: 5px; border-radius: 3px; }");toolBar->addWidget(urlLineEdit);// 创建前进按钮goButton = new QPushButton("Go", this);goButton->setStyleSheet("QPushButton { padding: 5px 15px; background-color: #4CAF50; color: white; border: none; border-radius: 3px; }""QPushButton:hover { background-color: #45a049; }");toolBar->addWidget(goButton);// 创建网页视图webView = new QWebEngineView(this);setCentralWidget(webView);// 创建进度条progressBar = new QProgressBar(this);progressBar->setMaximumHeight(2);progressBar->setTextVisible(false);progressBar->setStyleSheet("QProgressBar { border: none; background-color: #f0f0f0; }""QProgressBar::chunk { background-color: #4CAF50; }");statusBar()->addPermanentWidget(progressBar);// 连接信号和槽connect(goButton, &QPushButton::clicked, this, &MainWindow::loadPage);connect(urlLineEdit, &QLineEdit::returnPressed, this, &MainWindow::loadPage);connect(webView, &QWebEngineView::urlChanged, this, &MainWindow::updateUrl);connect(webView, &QWebEngineView::loadProgress, this, &MainWindow::updateProgress);connect(webView, &QWebEngineView::titleChanged, this, &MainWindow::updateTitle);// 设置初始页面webView->setUrl(QUrl("https://www.google.com"));
}MainWindow::~MainWindow()
{delete ui;
}void MainWindow::loadPage()
{QString url = urlLineEdit->text();if (!url.startsWith("http://") && !url.startsWith("https://")) {url = "https://" + url;}webView->setUrl(QUrl(url));
}void MainWindow::updateUrl(const QUrl &url)
{urlLineEdit->setText(url.toString());
}void MainWindow::updateProgress(int progress)
{progressBar->setValue(progress);if (progress == 100) {progressBar->hide();} else {progressBar->show();}
}void MainWindow::updateTitle(const QString &title)
{setWindowTitle(title + " - Web Browser");
}