myMap.html 文件内容：
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html{width: 100%;height: 100%;margin:0;font-family:"微软雅黑";}
#allmap{height:500px;width:100%;}
#r-result{width:100%; font-size:14px;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=用自己的ak"></script>
<title>城市名定位</title>
</head>
<body>
<div id="allmap"></div>
<div id="r-result">
经度: <input id="longitude" type="text" style="width:100px; margin-right:10px;" />
纬度: <input id="latitude" type="text" style="width:100px; margin-right:10px;" />
<input type="button" value="查询" onclick="theLocation()" />
</div>
</body>
</html>
<script type="text/javascript">
// 百度地图API功能
var map = new BMap.Map("allmap",{
minZoom : 1,
maxZoom : 20
});
//初始化地图，设置坐标点在哪
map.centerAndZoom(new BMap.Point(117,31),20);
map.enableScrollWheelZoom(true);
//设置标注图片
var icon = new BMap.Icon("car_4.png",new BMap.Size(35,30),{
anchor:new BMap.Size(35,0)
});
// 用经纬度设置地图中心点
function theLocation(){
if(document.getElementById("longitude").value != "" && document.getElementById("latitude").value != ""){
map.clearOverlays();
var new_point = new BMap.Point(document.getElementById("longitude").value,document.getElementById("latitude").value);
var marker = new BMap.Marker((new_point),{
icon:icon
});
map.addOverlay(marker); // 将标注添加到地图中
map.panTo(new_point);
}
}
translateCallback = function addpoint1(data){
if(data.status === 0) {
var marker1 = new BMap.Marker(data.points[0]);
map.addOverlay(marker1);
}
}
function send(){
map.clearOverlays();
}
function addpoint (x,y){
//map.clearOverlays(); //更新前先清除之前的标注
var convertor = new BMap.Convertor();
var pointArr = [];
var ggPoint = new BMap.Point(x,y);
pointArr.push(ggPoint);
//map.clearOverlays();
//var ggPoint = new BMap.Point(x,y);
var marker = new BMap.Marker((ggPoint),{
icon:icon
});
map.addOverlay(marker);
convertor.translate(pointArr,1,5,translateCallback)
}
</script>
qt构造函数内代码：
qApp->setApplicationName("padcollectionclient");
QString sFilePath = QCoreApplication::applicationDirPath();
sFilePath += "/my.html";
ui->lineEdit->setText(sFilePath);
//connect(ui->lineEdit,SIGNAL(returnPressed()),this,SLOT(loadNavigate()));
//设置ActiveX控件为IEMicrosoft Web Browser
//设置ActiveX控件的id，最有效的方式就是使用UUID
//此处的{8856F961-340A-11D0-A96B-00C04FD705A2}就是Microsoft Web Browser控件的UUID
ui->axWidget->setControl(QString::fromUtf8("{8856F961-340A-11D0-A96B-00C04FD705A2}"));
//ui->axWidget->setObjectName(QString::fromUtf8("webWidget"));//设置控件的名称
//ui->axWidget->setFocusPolicy(Qt::StrongFocus);//设置控件接收键盘焦点的方式：鼠标单击、Tab键
//ui->axWidget->setProperty("DisplayAlerts",false); //不显示任何警告信息。
//ui->axWidget->setProperty("DisplayScrollBars",true); // 显示滚动条
loadNavigate();
loadNavigate() :
QString Utr = ui->lineEdit->text().trimmed();
ui->axWidget->dynamicCall("Navigate(const QString&)",Utr);
on_pushButton_clicked() :
QString str = "send()";
QAxObject *document = ui->axWidget->querySubObject("Document");
QAxObject *parentWindow = document->querySubObject("parentWindow");
parentWindow->dynamicCall("execScript(QString,QString)",str,"JavaScript");
// 1
QString x = ui->lineEdit_2->text();
double xx = x.toDouble();
QString y = ui->lineEdit_3->text();
double yy = y.toDouble();
// 2
QString x_2 = ui->lineEdit_4->text();
double xx_2 = x_2.toDouble();
QString y_2 = ui->lineEdit_5->text();
double yy_2 = y_2.toDouble();
// 3
QString x_3 = ui->lineEdit_6->text();
double xx_3 = x_3.toDouble();
QString y_3 = ui->lineEdit_7->text();
double yy_3 = y_3.toDouble();
// 3
QString x_4 = ui->lineEdit_8->text();double xx_4 = x_4.toDouble();
QString y_4 = ui->lineEdit_9->text();
double yy_4 = y_4.toDouble();
double lon[4], lat[4];
lon[0] = xx; lon[1] = xx_2; lon[2] = xx_3; lon[3] = xx_4;
lat[0] = yy; lat[1] = yy_2; lat[2] = yy_3; lat[3] = yy_4;
qDebug() << "x :" << xx << " " << "y :" << yy << endl
<< "x :" << xx_2 << " " << "y :" << yy_2 << endl
<< "x :" << xx_3 << " " << "y :" << yy_3 << endl
<< "x :" << xx_4 << " " << "y :" << yy_4 << endl;
for (int i = 0; i < 4; i++)
{
QString command = QString("addpoint(%1,%2)").arg(QString::number(lon[i], ‘f‘, 6)).arg(QString::number(lat[i], ‘f‘, 6));
QAxObject *document = ui->axWidget->querySubObject("Document");
QAxObject *parentWindow = document->querySubObject("parentWindow");
parentWindow->dynamicCall("execScript(QString,QString)",command,"JavaScript");
}
运行后:
原文地址：https://www.cnblogs.com/ruandahua/p/11388163.html
时间： 2024-08-10 19:15:53