Leaflet Popup以及来自GeoJSON的其他信息

Question

我想将geojson中的附加信息绑定到传单标记弹出窗口.我从传单文档中查找了一些内容,但它不起作用.

var map = L.map('map').setView([51.9, 7.6], 11);

L.tileLayer('http://{s}.tile.cloudmade.com/5e4495ff4b0d454eb0443225198b7e6c/997/256/{z}/{x}/{y}.png', {
    maxZoom: 16
}).addTo(map);

var polygon = {
    "type": "Feature",
    "properties": {
        "name":"City BoundingBox",
        "style": {
            "color": "#004070",
            "weight": 4,
            "opacity": 1
        }
    },
    "geometry": {
        "type": "Polygon",
        "coordinates": [[
            [7.5,52.05],                
            [7.7,51.92],
            [7.6,51.84],
            [7.4,51.94],
            [7.5,52.05]
        ]]
    }
};

var myLayer = L.geoJson().addTo(map);
//myLayer.addData(polygon);

var popup = L.popup();

function onMapClick(e) {
    popup
        .setLatLng(e.latlng)
        .setContent("You clicked the map at " + e.latlng.toString())
        .openOn(map);
}

map.on('click', onMapClick);

<?php 
    $mdjson = file_get_contents("http://xxx/ows?service=WFS&version=1.0.0&outputFormat=JSON&request=GetFeature&typeName=xx:yy&maxFeatures=50");
    echo "var geojsonMD = ".$mdjson.";";    
?>

myLayer.addData(geojsonMD);

L.geoJson(geojsonMD, {
    style: function (feature) {
        return {color: feature.properties.color};
    },
    onEachFeature: function (feature, myLayer) {
        layer.bindPopup(feature.properties.description);
    }
}).addTo(map);

希望您能够帮助我.

最好的祝福.

Answer 1

假设服务返回具有与多边形类似属性的数据,您确实可以将它们添加到同一层.

var myLayer = L.geoJson(geojsonMD, {
     style: function (feature) {
         return feature.properties.style;
     },
     onEachFeature: function (feature, layer) {
         layer.bindPopup(feature.properties.name);
     }
 })

myLayer.addData(polygon);
myLayer.addTo(map);

http://jsfiddle.net/Wn5Kh/(没有下载的数据,因为我没有URL)

如果geojsonMD具有不同的要素属性,则添加两个GeoJson图层没有任何问题.一个用于从服务检索的数据,另一个用于多边形.