BIGEMPA Js API示例中心

导入KML源代码展示

代码编辑区 运行 下载 还原
<!DOCTYPE html>
<html>
<head>
    <meta charset='UTF-8' />
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
    <!--
        以下CSS地址请在安装软件了替换成本地的地址
        CSS地址请使用:
        http://localhost:9000/bigemap.js/v2.1.0/bigemap.css
        软件下载地址 http://www.bigemap.com/reader/download/detail201802017.html
    -->
    <link href='http://www.bigemap.com:9000/bigemap.js/v2.1.0/bigemap.css' rel='stylesheet' />
    <link href="https://cdn.bootcss.com/Buttons/2.0.0/css/buttons.min.css" rel="stylesheet">
    <!--
        JS地址请使用:
        http://localhost:9000/bigemap.js/v2.1.0/bigemap.js
    -->
    <script src='http://www.bigemap.com:9000/bigemap.js/v2.1.0/bigemap.js'></script>
    <!--
        引入加载KML的JS插件
    -->
    <script type="text/javascript" src="http://www.bigemap.com/mapoffline/js/togeojson.js"></script>


    <style>
        body { margin: 0; padding: 0; }
        #map { position: absolute; top: 0; bottom: 0; width: 100%; }
        .tool{
            position: absolute;
            z-index: 10;
            right: 10px;
            top:15px;
        }
        .info{
            position: fixed;
            top:0;
            color: #8a6d3b;
            z-index: 99;
            margin: 0;
            background-color: #fcf8e3;
            border-color: #faebcc;
            left: 0;
            right: 0;
            text-align: center;
        }
    </style>
    <title>切换图层</title>
</head>
<body>
<p class="info">
    数据保存在本地,刷新会消失,仅仅用作测试
</p>
<p class="tool">
    <a id="satellite" class="button button-tiny button-rounded button-primary" href="javascript:void (0);">导入KML</a>
    <a id="export" class="button button-tiny button-rounded button-primary" download="geojson.geojson" href="javascript:void (0);">导出GeoJSON</a>
    <input type="file" accept=".kml" style="display: none" id="upload">
</p>
<div id='map'></div>
<script src="http://www.bigemap.com/Public/common/js/jquery.min.js"></script>
<script type="text/javascript">// 软件配置信息地址,软件安装完成之后使用本地地址,如:http://localhost:9000
BM.Config.HTTP_URL = 'http://www.bigemap.com:9000';
// 在ID为map的元素中实例化一个地图,并设置地图的ID号为 bigemap.baidu-map,ID号程序自动生成,无需手动配置,并设置地图的投影为百度地图 ,中心点,默认的级别和显示级别控件
var map = BM.map('map', 'bigemap.googlemap-satellite', {center: [ 30,104], zoom: 3, zoomControl: true,attributionControl:false});
//创建一个谷歌卫星图层 ,具体API详情请参见 :http://www.bigemap.com/offlinemaps/api/#tilelayer
$('#upload').on('change',function () {
    var file=this.files[0];
    var extension=file.name.split('.');
    extension=extension.pop();
    if (extension!=='kml'){
        alert('只能是KML格式');
        return;
    }
    var reader=new FileReader();
    reader.readAsText(file);
    reader.onload=function () {
        var dom= (new DOMParser()).parseFromString(this.result, 'text/xml');
        var geojsonFeature=toGeoJSON.kml(dom);
        var blob=new Blob([JSON.stringify(geojsonFeature)]);
        var href=URL.createObjectURL(blob);
        $('#export').prop('href',href);
        BM.geoJSON(geojsonFeature,{
            style: function (feature) {
                // return {color: feature.properties.stroke};
            }
        }).addTo(map);
    }
});
$('#satellite').on('click',function () {
    $('#upload').click();
});

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