代码改变世界

调用百度地图

2019-03-15 11:39  .net小跟班（杜）  阅读(300)  评论(0)  编辑  收藏  举报

示例图

代码

<!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 {
            width: 100%;
            height: 100%;
            margin: 0;
            font-family: "微软雅黑";
        }


        #l-map {
            height: 800px;
            width: 100%;
            float: left;
        }


        #r-result {
            width: 20%;
        }
    </style>
    <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=yoursecret"></script>
    <script type="text/javascript" src="http://api.map.baidu.com/api?ak=您的秘钥"></script>
    <title>拾取地址的坐标</title>
</head>
<body>
    <div id="r-result">
        请输入地址：
        <br />
        <input type="text" id="txtKeyword" />
        <br />
        <button onclick="searchAddr()">搜索</button>
    </div>
    <div id="l-map"></div>

</body>
</html>
<script type="text/javascript">
    // 百度地图API功能
    map = new BMap.Map("l-map");            // 创建Map实例
    map.centerAndZoom("{$address}", 12);
    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
    map.addControl(new BMap.NavigationControl());  //添加默认缩放平移控件
    map.addControl(new BMap.OverviewMapControl()); //添加默认缩略地图控件
    map.addControl(new BMap.OverviewMapControl({ isOpen: true, anchor: BMAP_ANCHOR_BOTTOM_RIGHT }));   //右下角，打开

    local = new BMap.LocalSearch(map, {
        renderOptions: { map: map, autoViewport: true, selectFirstResult: false },
        pageCapacity: 10
    });

    myIcon = new BMap.Icon("http://api.map.baidu.com/img/markers.png", new BMap.Size(23, 25), {
        offset: new BMap.Size(10, 25),
        imageOffset: new BMap.Size(0, 0 - 10 * 25)
    });


    var keys = new Array("{$address}");

    local.setSearchCompleteCallback(function (searchResults) {
        console.log(searchResults);
        if (typeof (searchResults) == "undefined") {
            alert("百度API没有搜索到该地址");
            return;
        }
        if (searchResults.length > 0) {
            var searchResult = searchResults[0];
        } else {
            var searchResult = searchResults;
        }

        console.log(searchResult);

        var contents = [];
        for (var i = 0; i < searchResult.getCurrentNumPois(); i++) {
            //获得需要得到的坐标
            var poi = searchResult.getPoi(i);
            if (!poi) {
                alert("百度API没有搜索到该地址");
            }
            // console.log(poi);

            //设置中心点
            map.centerAndZoom(poi.point, 13);
            // 创建标注，为要查询的地方对应的经纬度
            var marker = new BMap.Marker(new BMap.Point(poi.point.lng, poi.point.lat), { icon: myIcon });
            //alert("["+poi.point.lng+","+poi.point.lat+"]");
            //在地图上添加标识
            map.addOverlay(marker);
            //点击标识后显示的内容
            contents[i] = "你要查找的地方:【" + poi.title + "】<br/>地址：" + poi.address + "<br/>经度：" + poi.point.lng + "<br/>纬度：" + poi.point.lat;

            marker.setTitle(contents[i]);
            //添加点击事件监听
            marker.addEventListener("click", makerClick);
            if (i == 0) {
                var infoWindow = new BMap.InfoWindow("<p style='font-size:14px;'>" + contents[0] + "</p>");
                marker.openInfoWindow(infoWindow);
            }

        }

    });
    local.search(keys);

    var makerClick = function () {
        var infoWindow = new BMap.InfoWindow("<p style='font-size:14px;'>" + this.getTitle() + "</p>");
        this.openInfoWindow(infoWindow);
    }

    function searchAddr() {
        var keys = document.getElementById("txtKeyword").value;
        local.search(keys);
    }
</script>