百度地图Javascript API 调用示例

调用示例

!<!DOCTYPE html>
<html>
<head>
    <title>百度地图DEMO</title>
</head>
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
<body>
    <div id="allmap" style="height:700px;width:800px;"></div>


    <div id="r-result">请输入:<input type="text" id="suggestId" size="20" value="百度" style="width:150px;" /></div>
    <div id="searchResultPanel" style="border:1px solid #C0C0C0;width:150px;height:auto; display:none;"></div>

</body>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak="></script>
<script type="text/javascript">

    // 百度地图API功能
    function G(id) {
        return document.getElementById(id);
    }

    // 初始化定位
    var map = new BMap.Map("allmap");
    var point = new BMap.Point(116.331398,39.897445);
    map.centerAndZoom(point,12);

    // 鼠标滑动放大缩小移动地图
    map.enableScrollWheelZoom();   //启用滚轮放大缩小，默认禁用
    map.enableContinuousZoom();    //启用地图惯性拖拽，默认禁用


    // 定位当前城市
    function myFun(result){
        var cityName = result.name;
        map.setCenter(cityName);
    }
    var myCity = new BMap.LocalCity();
    myCity.get(myFun);


    // 获取点击处坐标
    var geoc = new BMap.Geocoder(); 
    map.addEventListener("click", function(e){   
        //通过点击百度地图，可以获取到对应的point, 由point的lng、lat属性就可以获取对应的经度纬度     
        var pt = e.point;

        geoc.getLocation(pt, function(rs){
            //addressComponents对象可以获取到详细的地址信息
            var addComp = rs.addressComponents;
            var site = addComp.province + ", " + addComp.city + ", " + addComp.district + ", " + addComp.street + ", " + addComp.streetNumber;
            //将对应的HTML元素设置值
            $("#site").val(site);
            $("#longitude").val(pt.lng);
            $("#latitude").val(pt.lat);
        });

        deletePoint();

        // 创建标注
        var marker = new BMap.Marker(pt);  // 创建标注
        map.addOverlay(marker);               // 将标注添加到地图中
        // marker.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画

    });


    var ac = new BMap.Autocomplete(    //建立一个自动完成的对象
        {"input" : "suggestId"
        ,"location" : map
    });

    ac.addEventListener("onhighlight", function(e) {  //鼠标放在下拉列表上的事件
        var str = "";
        var _value = e.fromitem.value;
        var value = "";
        if (e.fromitem.index > -1) {
            value = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;
        }    
        str = "FromItem<br />index = " + e.fromitem.index + "<br />value = " + value;
        
        value = "";
        if (e.toitem.index > -1) {
            _value = e.toitem.value;
            value = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;
        }    
        str += "<br />ToItem<br />index = " + e.toitem.index + "<br />value = " + value;
        G("searchResultPanel").innerHTML = str;
    });

    var myValue;
    ac.addEventListener("onconfirm", function(e) {    //鼠标点击下拉列表后的事件
        var _value = e.item.value;
        myValue = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;
        G("searchResultPanel").innerHTML ="onconfirm<br />index = " + e.item.index + "<br />myValue = " + myValue;
        
        setPlace();
    });

    function setPlace(){
        map.clearOverlays();    //清除地图上所有覆盖物
        function myFun(){
            var pp = local.getResults().getPoi(0).point;    //获取第一个智能搜索的结果
            map.centerAndZoom(pp, 18);
            map.addOverlay(new BMap.Marker(pp));    //添加标注
        }
        var local = new BMap.LocalSearch(map, { //智能搜索
            onSearchComplete: myFun
        });
        local.search(myValue);
    }


    // 删除标注
    function deletePoint(){
        map.clearOverlays();
    }
</script>
</html>
百度地图Javascript API 调用示例

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