leaflet：改造继承L.TileLayer类适配arcgis切片地图

L.TileLayer.ArcgisTiledLayer = L.TileLayer.extend({
   initialize: function (url, options)
    {
        L.TileLayer.prototype.initialize.call(this, url + "/tile/{z}/{y}/{x}", options);
    }
});

L.tileLayer.arcgisTiledLayer = function (url, options) {
    return new L.TileLayer.ArcgisTiledLayer(url, options);
};

    var layer1 = L.tileLayer.arcgisTiledLayer(‘http://map.geoq.cn/ArcGIS/rest/services/ChinaOnlineCommunity/MapServer‘, {
    maxZoom: 12,
    minZoom: 4
});

var map = L.map("map", {
    center: [31.59, 120.29],
    zoom: 5,
    layers: [layer1],
    zoomControl: false
});