qt使用webengine加载web页面

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QUrl>
#include <QtWebEngineWidgets/QWebEngineView>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    QWebEngineView *view = new QWebEngineView(this);
   //  view->load(QUrl("http://localhost:8080/"));
    view->load(QUrl("file:///E:/workspace/vue-space/vue-app01/dist/index.html"));
    view->show();
    view->resize(this->width(),this->height());
}

MainWindow::~MainWindow()
{
    delete ui;
}

QT       += core gui webenginewidgets

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

CONFIG += c++17

# You can make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

SOURCES += \
    main.cpp \
    mainwindow.cpp

HEADERS += \
    mainwindow.h

FORMS += \
    mainwindow.ui

# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS +=