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百度地图API 添加标签

1.手动创建数据，实际项目则是接受GPS信息

/建立坐标点：
// lng：经度 lat：纬度
var points = [  
{"lng":112.58,"lat":26.89,"url":"http://www.baidu.com","id":1,"name":"p1"},  
{"lng":112.59,"lat":26.90,"url":"http://www.mi.com","id":2,"name":"p2"},  
{"lng":112.57,"lat":26.88,"url":"http://www.csdn.com","id":3,"name":"p3"}  
];

2.创建添加标注点到地图，并为标注点添加点击事件

//创建标注点并添加到地图中
function addMarker(points) {
    //循环建立标注点
    for(var i=0, pointsLen = points.length; i<pointsLen; i++) {
        var point = new BMap.Point(points[i].lng, points[i].lat); //将标注点转化成地图上的点
        var marker = new BMap.Marker(point); //将点转化成标注点
        map.addOverlay(marker);  //将标注点添加到地图上
        //添加监听事件
        (function() {
            var thePoint = points[i];
            marker.addEventListener("click",
            //显示信息的方法
                function() {
                showInfo(this,thePoint);
            });
         })();  
    }
}

3.编写信息显示方法

function showInfo(thisMarker,point) {
    //获取点的信息
    var sContent = 
    '<ul style="margin:0 0 5px 0;padding:0.2em 0">'  
    +'<li style="line-height: 26px;font-size: 15px;">'  
    +'<span style=" 50px;display: inline-block;">id：</span>' + point.id + '</li>'  
    +'<li style="line-height: 26px;font-size: 15px;">'  
    +'<span style=" 50px;display: inline-block;">名称：</span>' + point.name + '</li>'  
    +'<li style="line-height: 26px;font-size: 15px;"><span style=" 50px;display: inline-block;">查看：</span><a href="'+point.url+'">详情</a></li>'  
    +'</ul>';
    var infoWindow = new BMap.InfoWindow(sContent); //创建信息窗口对象
    thisMarker.openInfoWindow(infoWindow); //图片加载完后重绘infoWindow
}

4.创建地图

//创建地图
var map = new BMap.Map("allmap");    
map.centerAndZoom(new BMap.Point(116.404, 39.915), 11);  // 设置中心点
map.centerAndZoom( "衡阳");       //指定中心城市
map.setCurrentCity("衡阳");          
map.addControl(new BMap.MapTypeControl());  //设置可拖拽 
map.enableScrollWheelZoom(true);  //添加滚轮缩放   
addMarker(points); //添加标注
</script>

Tip: 想使用百度地图api需要申请一个ak，申请方法就不介绍了，百度一大堆.

1.5 版本完整代码(不包括api的ak 需要自己申请)：

<!DOCTYPE html>
<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,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
</style>
<script type="text/javascript" 
//ak填自己申请的ak
src="http://api.map.baidu.com/api?v=2.0& ak=你申请的AK">
</script>
<title>百度地图api展示</title>
</head>
<body>
<div id="allmap"></div>
</body>
</html>
<script type="text/javascript">
//新建三个地图上点
var points = [  
{"lng":112.58,"lat":26.89,"url":"http://www.baidu.com","id":1,"name":"p1"},  
{"lng":112.59,"lat":26.90,"url":"http://www.mi.com","id":2,"name":"p2"},  
{"lng":112.57,"lat":26.88,"url":"http://www.csdn.com","id":3,"name":"p3"}  
]; 
//创建标注点并添加到地图中
function addMarker(points) {
    //循环建立标注点
    for(var i=0, pointsLen = points.length; i<pointsLen; i++) {
        var point = new BMap.Point(points[i].lng, points[i].lat); //将标注点转化成地图上的点
        var marker = new BMap.Marker(point); //将点转化成标注点
        map.addOverlay(marker);  //将标注点添加到地图上
        //添加监听事件
        (function() {
            var thePoint = points[i];
            marker.addEventListener("click",
                function() {
                showInfo(this,thePoint);
            });
         })();  
    }
}
function showInfo(thisMarker,point) {
    //获取点的信息
    var sContent = 
    '<ul style="margin:0 0 5px 0;padding:0.2em 0">'  
    +'<li style="line-height: 26px;font-size: 15px;">'  
    +'<span style=" 50px;display: inline-block;">id：</span>' + point.id + '</li>'  
    +'<li style="line-height: 26px;font-size: 15px;">'  
    +'<span style=" 50px;display: inline-block;">名称：</span>' + point.name + '</li>'  
    +'<li style="line-height: 26px;font-size: 15px;"><span style=" 50px;display: inline-block;">查看：</span><a href="'+point.url+'">详情</a></li>'  
    +'</ul>';
    var infoWindow = new BMap.InfoWindow(sContent); //创建信息窗口对象
    thisMarker.openInfoWindow(infoWindow); //图片加载完后重绘infoWindow
}
//创建地图
var map = new BMap.Map("allmap");    
map.centerAndZoom(new BMap.Point(116.404, 39.915), 11);  // 设置中心点
map.centerAndZoom( "衡阳");
map.setCurrentCity("衡阳");          //设置为衡阳
map.addControl(new BMap.MapTypeControl());   
map.enableScrollWheelZoom(true);     
addMarker(points);
</script>

第二种写法

<!DOCTYPE html>  
<html>  
<head>  
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
    <title>添加标注点-百度地图API</title>
    <script type="text/javascript" src="http://api.map.baidu.com/api?v=1.5&ak=YWdGplhYjUGQ3GtpKNeuTM2S"></script>
</head>  

<body>
    <style type="text/css">  
        html{height:100%}  
        body{height:100%;margin:0 10px;}  
        #container{height:100%;margin: 20px;} 
        .info_ul{
            margin:0 0 5px 0;
            padding:0.2em 0;
        } 
        .info_li{
            line-height: 26px;font-size: 15px;
        }
        .info_span{
            width: 50px;display: inline-block;
        }
    </style>    
    <div id="container"></div> 
    <script type="text/javascript"> 
        var map = new BMap.Map("container"); //初始化地图

        var points = [
        {"lng":116,"lat":40,"url":"http://www.baidu.com","id":50,"name":"p1"},
        {"lng":117,"lat":31,"url":"http://www.taobao.com","id":2,"name":"p2"},
        {"lng":116,"lat":34,"url":"http://www.qq.com","id":3,"name":"p3"}
        ];//数据准备

        map.centerAndZoom(new BMap.Point(103.388611,35.563611), 5);//设置中心点和显示级别。中国。
        
        map.enableScrollWheelZoom();//滚轮放大缩小。
        
        addMarker(points);//添加标注。

        function addMarker(points){  // 创建图标对象   
            var point,marker;
            // 创建标注对象并添加到地图   
            for(var i = 0,pointsLen = points.length;i <pointsLen;i++){
                point = new BMap.Point(points[i].lng,points[i].lat);    
                marker = new BMap.Marker(point);   
                map.addOverlay(marker); 
                //给标注点添加点击事件。使用立即执行函数和闭包
                (function() {
                    var thePoint = points[i];
                    marker.addEventListener("click",function(){
                        showInfo(this,thePoint);
                    });
                })();
            }
        }

        //显示信息窗口，显示标注点的信息。
        function showInfo(thisMaker,point){
            var sContent =
            '<ul class="info_ul">'
            +'<li class="info_li">'
            +'<span class="info_span">id：</span>' + point.id + '</li>'
            +'<li class="info_li">'
            +'<span class="info_span">名称：</span>' + point.name + '</li>'
            +'<li class="info_li"><span class="info_span">查看：</span><a href="'+point.url+'" target="_blank">详情</a></li>'
            +'</ul>';
            var infoWindow = new BMap.InfoWindow(sContent);// 创建信息窗口对象
               thisMaker.openInfoWindow(infoWindow);//图片加载完毕重绘infowindow
           }

        </script>  
    </body>  
    </html>

1.2版本和1.5版本通用，但是不用申请ak

<!doctype html>
<html>
<head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <meta http-equiv="Content-Type" content="text/html; charset=gbk" />
    <title>Baidu Map</title>
    <script type="text/javascript" src="http://api.map.baidu.com/api?v=1.2&services=true">
    </script>
</head>
<body>
    <div id="container" style=" 800px; height: 600px;">
    </div>
</body>
</html>
<script type="text/javascript">

    var map = new BMap.Map("container"); //初始化地图

    var points = [
    { "lng": 121.653872, "lat": 38.928724, "url": "http://www.baidu.com", "id": 1, "name": "麦当劳" },
    { "lng": 121.653234, "lat": 38.928604, "url": "http://www.taobao.com", "id": 2, "name": "天天鱼巷" },
    { "lng": 121.64576, "lat": 38.929096, "url": "http://www.qq.com", "id": 3, "name": "好利来" },
    { "lng": 121.654402, "lat": 38.926787, "url": "http://www.qq.com", "id": 4, "name": "金铭烤肉" },
    { "lng": 121.647629, "lat": 38.927369, "url": "http://www.qq.com", "id": 5, "name": "嘉禾粥道" },
    { "lng": 121.646667, "lat": 38.925264, "url": "http://www.qq.com", "id": 6, "name": "彤德莱" },
    { "lng": 121.644799, "lat": 38.928085, "url": "http://www.qq.com", "id": 7, "name": "鼎香橼自助" },
    { "lng": 121.646209, "lat": 38.929818, "url": "http://www.qq.com", "id": 3, "name": "风情丽江斑鱼火锅" }
    ];//数据准备

    map.centerAndZoom(new BMap.Point(121.650467, 38.927376), 16);//设置中心点和显示级别。中国。

    map.enableScrollWheelZoom();//滚轮放大缩小。

    addMarker(points);//添加标注。

    function addMarker(points){  // 创建图标对象
        var point,marker;
        // 创建标注对象并添加到地图
        for(var i = 0,pointsLen = points.length;i <pointsLen;i++){
            point = new BMap.Point(points[i].lng,points[i].lat);
            marker = new BMap.Marker(point);
            map.addOverlay(marker);
            //给标注点添加点击事件。使用立即执行函数和闭包
            (function() {
                var thePoint = points[i];
                marker.addEventListener("click",function(){
                    showInfo(this,thePoint);
                });
            })();
        }
    }

    //显示信息窗口，显示标注点的信息。
    function showInfo(thisMaker,point){
        var sContent =
        '<ul class="info_ul">'
        +'<li class="info_li">'
        +'<span class="info_span">id：</span>' + point.id + '</li>'
        +'<li class="info_li">'
        +'<span class="info_span">名称：</span>' + point.name + '</li>'
        +'<li class="info_li"><span class="info_span">查看：</span><a href="'+point.url+'" target="_blank">详情</a></li>'
        +'</ul>';
        var infoWindow = new BMap.InfoWindow(sContent);// 创建信息窗口对象
        thisMaker.openInfoWindow(infoWindow);//图片加载完毕重绘infowindow
    }

</script>

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原文地址：https://www.cnblogs.com/ye-ming/p/8072080.html