Qt5--嵌入百度地图

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效果图：

界面配置图：

文件：

还有额外的文件

我的是Qt5.6，使用的是QWebEngineWidgets。

BaiduMap.pro

#-------------------------------------------------
#
# Project created by QtCreator 2018-06-03T23:24:39
#
#-------------------------------------------------

QT       += core gui webenginewidgets

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = BaiduMap
TEMPLATE = app


SOURCES += main.cpp\
        mainwindow.cpp

HEADERS  += mainwindow.h

FORMS    += mainwindow.ui

bridge.h

#ifndef BRIDGE_H
#define BRIDGE_H

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 

typedef struct
{
    QString strName;
    QString strDesc;
    float   fLng;
    float   fLat;
    int     nValue;
}Light_t;


class bridge : QObject
{
Q_OBJECT
public:
    static bridge* instance();
private:
    bridge();
    QList m_lightList;
    void SetLightValue(QString strName, int nValue);
signals:
    void sigUpdateLight();
    void sigLightStatus(const QString& strName, int nvalue);
public slots:
    void onLightOn(QString strName);
    void onLightOff(QString strName);
    void onUpdateData();
    QVariantList    GetLightData();
public:
    void            Init();
    Light_t         AddLight();
    const QList& GetLightList(){return m_lightList;}
};

#endif // BRIDGE_H

bridge.cpp

#include "bridge.h"

#include 
#include 
#include 

bridge* bridge::instance()
{
    static bridge s_obj;
    return &s_obj;
}

bridge::bridge()
{
}

void bridge::Init()
{
    AddLight();
    AddLight();
}


Light_t bridge::AddLight()
{
    static int s_count = 1;
    Light_t tLight;
    tLight.strName = QString("Light%1").arg(s_count);
    tLight.strDesc = QString("Light Description %1").arg(s_count);
    tLight.fLng = 121.0 + s_count*0.1;
    tLight.fLat = 37.3 + s_count*0.01;
    tLight.nValue = 0;
    m_lightList.append(tLight);
    s_count++;
    return tLight;
}

QVariantList bridge::GetLightData()
{
    int nCount = m_lightList.count();
    QVariantList markerList;

    for(int i=0; imap;
        map.insert("name",  tLight.strName);
        map.insert("description",   tLight.strDesc);
        map.insert("point",     QString("%1,%2").arg(tLight.fLng).arg(tLight.fLat));
        map.insert("value",     tLight.nValue);
        markerList << map;
    }

    return markerList;
}


void bridge::onLightOn(QString strName)
{
    SetLightValue(strName, 1);
}

void bridge::onLightOff(QString strName)
{
    SetLightValue(strName, 0);
}

void bridge::SetLightValue(QString strName, int nValue)
{
    int nCount = m_lightList.count();
    for(int i=0; iif( m_lightList[i].strName == strName)
        {
            m_lightList[i].nValue = nValue;
            break;
        }
    }
    emit sigLightStatus(strName, nValue);
}

void bridge::onUpdateData()
{
    emit sigUpdateLight();
}

mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include 
#include 
#include 

namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();

private slots:
    void onTimeOut();

    void on_btnAddLight_clicked();

    void on_btnLightOn_clicked();

    void on_btnLightOff_clicked();

private:
    Ui::MainWindow *ui;
    QTimer m_timer;
    void InitForm();
};

#endif // MAINWINDOW_H

mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "bridge.h"
#include 

#define bridgeins bridge::instance()

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

    InitForm();

    connect(&m_timer, SIGNAL(timeout()), this, SLOT(onTimeOut()));

    m_timer.start(1000);
}

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

void MainWindow::InitForm()
{
    QWebChannel *channel = new QWebChannel(this);
    channel->registerObject("bridge", (QObject*)bridgeins);
    ui->webView->page()->setWebChannel(channel);
    ui->webView->page()->load(QUrl(qApp->applicationDirPath() + "/index.html"));

    bridgeins->Init();

    const QList<Light_t>& list = bridgeins->GetLightList();
    int nCount = list.count();
    for(int i=0; iLight_t tLight = list[i];
        ui->cbLight->addItem(tLight.strDesc, tLight.strName);
    }
    ui->cbLight->setCurrentIndex(0);


    this->showMaximized();
}


void MainWindow::on_btnAddLight_clicked()
{
    Light_t tLight = bridgeins->AddLight();
    ui->cbLight->addItem(tLight.strDesc, tLight.strName);
    ui->cbLight->setCurrentIndex(ui->cbLight->count()-1);
    bridgeins->onUpdateData();
}

void MainWindow::on_btnLightOn_clicked()
{
    QString strName = ui->cbLight->currentData().toString();
    bridgeins->onLightOn(strName);
}

void MainWindow::on_btnLightOff_clicked()
{
    QString strName = ui->cbLight->currentData().toString();
    bridgeins->onLightOff(strName);
}

void MainWindow::onTimeOut()
{
//  bridgeins->onUpdateStatus();
}

另外还需要其他的文件
qwebchannel.js

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

"use strict";

var QWebChannelMessageTypes = {
    signal: 1,
    propertyUpdate: 2,
    init: 3,
    idle: 4,
    debug: 5,
    invokeMethod: 6,
    connectToSignal: 7,
    disconnectFromSignal: 8,
    setProperty: 9,
    response: 10,
};

var QWebChannel = function(transport, initCallback)
{
    if (typeof transport !== "object" || typeof transport.send !== "function") {
        console.error("The QWebChannel expects a transport object with a send function and onmessage callback property." +
                      " Given is: transport: " + typeof(transport) + ", transport.send: " + typeof(transport.send));
        return;
    }

    var channel = this;
    this.transport = transport;

    this.send = function(data)
    {
        if (typeof(data) !== "string") {
            data = JSON.stringify(data);
        }
        channel.transport.send(data);
    }

    this.transport.onmessage = function(message)
    {
        var data = message.data;
        if (typeof data === "string") {
            data = JSON.parse(data);
        }
        switch (data.type) {
            case QWebChannelMessageTypes.signal:
                channel.handleSignal(data);
                break;
            case QWebChannelMessageTypes.response:
                channel.handleResponse(data);
                break;
            case QWebChannelMessageTypes.propertyUpdate:
                channel.handlePropertyUpdate(data);
                break;
            default:
                console.error("invalid message received:", message.data);
                break;
        }
    }

    this.execCallbacks = {};
    this.execId = 0;
    this.exec = function(data, callback)
    {
        if (!callback) {
            // if no callback is given, send directly
            channel.send(data);
            return;
        }
        if (channel.execId === Number.MAX_VALUE) {
            // wrap
            channel.execId = Number.MIN_VALUE;
        }
        if (data.hasOwnProperty("id")) {
            console.error("Cannot exec message with property id: " + JSON.stringify(data));
            return;
        }
        data.id = channel.execId++;
        channel.execCallbacks[data.id] = callback;
        channel.send(data);
    };

    this.objects = {};

    this.handleSignal = function(message)
    {
        var object = channel.objects[message.object];
        if (object) {
            object.signalEmitted(message.signal, message.args);
        } else {
            console.warn("Unhandled signal: " + message.object + "::" + message.signal);
        }
    }

    this.handleResponse = function(message)
    {
        if (!message.hasOwnProperty("id")) {
            console.error("Invalid response message received: ", JSON.stringify(message));
            return;
        }
        channel.execCallbacks[message.id](message.data);
        delete channel.execCallbacks[message.id];
    }

    this.handlePropertyUpdate = function(message)
    {
        for (var i in message.data) {
            var data = message.data[i];
            var object = channel.objects[data.object];
            if (object) {
                object.propertyUpdate(data.signals, data.properties);
            } else {
                console.warn("Unhandled property update: " + data.object + "::" + data.signal);
            }
        }
        channel.exec({type: QWebChannelMessageTypes.idle});
    }

    this.debug = function(message)
    {
        channel.send({type: QWebChannelMessageTypes.debug, data: message});
    };

    channel.exec({type: QWebChannelMessageTypes.init}, function(data) {
        for (var objectName in data) {
            var object = new QObject(objectName, data[objectName], channel);
        }
        // now unwrap properties, which might reference other registered objects
        for (var objectName in channel.objects) {
            channel.objects[objectName].unwrapProperties();
        }
        if (initCallback) {
            initCallback(channel);
        }
        channel.exec({type: QWebChannelMessageTypes.idle});
    });
};

function QObject(name, data, webChannel)
{
    this.__id__ = name;
    webChannel.objects[name] = this;

    // List of callbacks that get invoked upon signal emission
    this.__objectSignals__ = {};

    // Cache of all properties, updated when a notify signal is emitted
    this.__propertyCache__ = {};

    var object = this;

    // ----------------------------------------------------------------------

    this.unwrapQObject = function(response)
    {
        if (response instanceof Array) {
            // support list of objects
            var ret = new Array(response.length);
            for (var i = 0; i < response.length; ++i) {
                ret[i] = object.unwrapQObject(response[i]);
            }
            return ret;
        }
        if (!response
            || !response["__QObject*__"]
            || response.id === undefined) {
            return response;
        }

        var objectId = response.id;
        if (webChannel.objects[objectId])
            return webChannel.objects[objectId];

        if (!response.data) {
            console.error("Cannot unwrap unknown QObject " + objectId + " without data.");
            return;
        }

        var qObject = new QObject( objectId, response.data, webChannel );
        qObject.destroyed.connect(function() {
            if (webChannel.objects[objectId] === qObject) {
                delete webChannel.objects[objectId];
                // reset the now deleted QObject to an empty {} object
                // just assigning {} though would not have the desired effect, but the
                // below also ensures all external references will see the empty map
                // NOTE: this detour is necessary to workaround QTBUG-40021
                var propertyNames = [];
                for (var propertyName in qObject) {
                    propertyNames.push(propertyName);
                }
                for (var idx in propertyNames) {
                    delete qObject[propertyNames[idx]];
                }
            }
        });
        // here we are already initialized, and thus must directly unwrap the properties
        qObject.unwrapProperties();
        return qObject;
    }

    this.unwrapProperties = function()
    {
        for (var propertyIdx in object.__propertyCache__) {
            object.__propertyCache__[propertyIdx] = object.unwrapQObject(object.__propertyCache__[propertyIdx]);
        }
    }

    function addSignal(signalData, isPropertyNotifySignal)
    {
        var signalName = signalData[0];
        var signalIndex = signalData[1];
        object[signalName] = {
            connect: function(callback) {
                if (typeof(callback) !== "function") {
                    console.error("Bad callback given to connect to signal " + signalName);
                    return;
                }

                object.__objectSignals__[signalIndex] = object.__objectSignals__[signalIndex] || [];
                object.__objectSignals__[signalIndex].push(callback);

                if (!isPropertyNotifySignal && signalName !== "destroyed") {
                    // only required for "pure" signals, handled separately for properties in propertyUpdate
                    // also note that we always get notified about the destroyed signal
                    webChannel.exec({
                        type: QWebChannelMessageTypes.connectToSignal,
                        object: object.__id__,
                        signal: signalIndex
                    });
                }
            },
            disconnect: function(callback) {
                if (typeof(callback) !== "function") {
                    console.error("Bad callback given to disconnect from signal " + signalName);
                    return;
                }
                object.__objectSignals__[signalIndex] = object.__objectSignals__[signalIndex] || [];
                var idx = object.__objectSignals__[signalIndex].indexOf(callback);
                if (idx === -1) {
                    console.error("Cannot find connection of signal " + signalName + " to " + callback.name);
                    return;
                }
                object.__objectSignals__[signalIndex].splice(idx, 1);
                if (!isPropertyNotifySignal && object.__objectSignals__[signalIndex].length === 0) {
                    // only required for "pure" signals, handled separately for properties in propertyUpdate
                    webChannel.exec({
                        type: QWebChannelMessageTypes.disconnectFromSignal,
                        object: object.__id__,
                        signal: signalIndex
                    });
                }
            }
        };
    }

    /**
     * Invokes all callbacks for the given signalname. Also works for property notify callbacks.
     */
    function invokeSignalCallbacks(signalName, signalArgs)
    {
        var connections = object.__objectSignals__[signalName];
        if (connections) {
            connections.forEach(function(callback) {
                callback.apply(callback, signalArgs);
            });
        }
    }

    this.propertyUpdate = function(signals, propertyMap)
    {
        // update property cache
        for (var propertyIndex in propertyMap) {
            var propertyValue = propertyMap[propertyIndex];
            object.__propertyCache__[propertyIndex] = propertyValue;
        }

        for (var signalName in signals) {
            // Invoke all callbacks, as signalEmitted() does not. This ensures the
            // property cache is updated before the callbacks are invoked.
            invokeSignalCallbacks(signalName, signals[signalName]);
        }
    }

    this.signalEmitted = function(signalName, signalArgs)
    {
        invokeSignalCallbacks(signalName, signalArgs);
    }

    function addMethod(methodData)
    {
        var methodName = methodData[0];
        var methodIdx = methodData[1];
        object[methodName] = function() {
            var args = [];
            var callback;
            for (var i = 0; i < arguments.length; ++i) {
                if (typeof arguments[i] === "function")
                    callback = arguments[i];
                else
                    args.push(arguments[i]);
            }

            webChannel.exec({
                "type": QWebChannelMessageTypes.invokeMethod,
                "object": object.__id__,
                "method": methodIdx,
                "args": args
            }, function(response) {
                if (response !== undefined) {
                    var result = object.unwrapQObject(response);
                    if (callback) {
                        (callback)(result);
                    }
                }
            });
        };
    }

    function bindGetterSetter(propertyInfo)
    {
        var propertyIndex = propertyInfo[0];
        var propertyName = propertyInfo[1];
        var notifySignalData = propertyInfo[2];
        // initialize property cache with current value
        // NOTE: if this is an object, it is not directly unwrapped as it might
        // reference other QObject that we do not know yet
        object.__propertyCache__[propertyIndex] = propertyInfo[3];

        if (notifySignalData) {
            if (notifySignalData[0] === 1) {
                // signal name is optimized away, reconstruct the actual name
                notifySignalData[0] = propertyName + "Changed";
            }
            addSignal(notifySignalData, true);
        }

        Object.defineProperty(object, propertyName, {
            configurable: true,
            get: function () {
                var propertyValue = object.__propertyCache__[propertyIndex];
                if (propertyValue === undefined) {
                    // This shouldn't happen
                    console.warn("Undefined value in property cache for property \"" + propertyName + "\" in object " + object.__id__);
                }

                return propertyValue;
            },
            set: function(value) {
                if (value === undefined) {
                    console.warn("Property setter for " + propertyName + " called with undefined value!");
                    return;
                }
                object.__propertyCache__[propertyIndex] = value;
                webChannel.exec({
                    "type": QWebChannelMessageTypes.setProperty,
                    "object": object.__id__,
                    "property": propertyIndex,
                    "value": value
                });
            }
        });

    }

    // ----------------------------------------------------------------------

    data.methods.forEach(addMethod);

    data.properties.forEach(bindGetterSetter);

    data.signals.forEach(function(signal) { addSignal(signal, false); });

    for (var name in data.enums) {
        object[name] = data.enums[name];
    }
}

//required for use with nodejs
if (typeof module === 'object') {
    module.exports = {
        QWebChannel: QWebChannel
    };
}

index.html

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf8" />
<script src="./qwebchannel.js">script>
<style type="text/css">
    html,body{height:100%;width:100%;margin:0px;padding:0px;}
    #map{height:100%;width:100%;}}
style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=9GqzBZjfGqXYXMzdfuRN9AL4B4PHaY6R">script>
head>
<body>
    <div id="map">div>
body>
html>
<script type="text/javascript">
    var map = new BMap.Map("map",{minZoom:5,maxZoom:18,enableMapClick:false});
    map.centerAndZoom("湘潭",12);

    map.enableDragging();
    map.enableScrollWheelZoom();
    map.disableDoubleClickZoom();
    var ctrlNav = new BMap.NavigationControl({anchor:BMAP_ANCHOR_TOP_LEFT,type:BMAP_NAVIGATION_CONTROL_LARGE});
    map.addControl(ctrlNav);
    map.setMapStyle({style:"light"});

      new QWebChannel(qt.webChannelTransport, function(channel) {
        window.bridge = channel.objects.bridge; 

        window.bridge.GetLightData(function(returnValue){
        initMarker(returnValue);
        }); 

        window.bridge.sigUpdateLight.connect(function() {
            window.bridge.GetLightData(function(returnValue){
            initMarker(returnValue);
            });
        });

        window.bridge.sigLightStatus.connect(function(name,value) {
            var lays = map.getOverlays();
            for(var i=0; ivar marker = lays[i];
            if(marker.getTitle() == name){
                var myIcon = new BMap.Icon(value==0?"circle_grey.png":"circle_green.png",new BMap.Size(32,32),{offset:new BMap.Size(10,25),imageOffset:new BMap.Size(0,0)});
                marker.setIcon(myIcon);     
                }
            }
        });

      });



    function initMarker(markerArr) {

    for (var i = 0; i < markerArr.length; i++) {
        var p = markerArr[i].point.split(",");
        var p0 = p[0];
        var p1 = p[1];
        var marker = addMarker(new window.BMap.Point(p0,p1),markerArr[i],i);
        addInfoWindow(marker,markerArr[i]);
    }
    }
    function addMarker(point,poi,index) {
        var myIcon = new BMap.Icon(poi.value==0?"circle_grey.png":"circle_green.png",new BMap.Size(32,32),{offset:new BMap.Size(10,25),imageOffset:new BMap.Size(0,0)});
        var marker = new BMap.Marker(point,{icon:myIcon});
        var label = new BMap.Label(poi.name,{"offset":new BMap.Size(20,-10)});
        //marker.setLabel(label);
        marker.setTitle(poi.name);
        map.addOverlay(marker);
        return marker;
    }
    function addInfoWindow(marker,poi){
        var title = '
' + poi.description + '
';
var html = [];
html.push('');
html.push('');
html.push('');
html.push('');
html.push('
Name
' + poi.name + '
Description
' + poi.description + '
Point
' + poi.point + '
');
var infoWindow = new BMap.InfoWindow(html.join(""),{title:title,width:60});
var openInfoWinFun = function () {marker.openInfoWindow(infoWindow);};
marker.addEventListener("click",openInfoWinFun);
var menuFunc = function (){
var markerMenu=new BMap.ContextMenu();
var onMarker = function(e,ee,marker){
bridge.onLightOn(marker.getTitle());
};
var offMarker = function(e,ee,marker){
bridge.onLightOff(marker.getTitle());
};
markerMenu.addItem(new BMap.MenuItem('亮灯',onMarker.bind(marker)));
markerMenu.addItem(new BMap.MenuItem('关灯',offMarker.bind(marker)));
marker.addContextMenu(markerMenu);
};
marker.addEventListener("rightclick",menuFunc);
return openInfoWinFun;
}
script>

工程文件下载地址：https://download.csdn.net/download/qq_28877125/10456502