bottom: 0;
            width: 100%;
        }
    </style>
</head>

<body>
    <div id="map"></div>
    <script>
        var map = L.map('map').setView([29.578285, 106.563777], 5);
        L.tileLayer('https://map.geoq.cn/arcgis/rest/services/ChinaOnlineStreetPurplishBlue/MapServer/tile/{z}/{y}/{x}', {
                attribution: '<a href="#">MapGIS</a>',
                maxZoom: 18,
                id: 'mapbox.dark'
            }).addTo(map);

        $.get('../../static/data/mapv/china.json', function (g