leaflet本地加载arcgis切片

var origin = [-20037700, 33711400];//图层起点坐标
var resolutions = [
    8466.6836000338681, // Level 0
    4233.341800016934, // Level 1
    2116.670900008467, // Level 2
    1058.3354500042335, // Level 3
    529.16772500211675 // Level 4
];
var crs = new L.Proj.CRS(
    '',
    '+proj=cea +lon_0=0 +lat_ts=0 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs' , {
        origin:  origin,
        resolutions: resolutions
    }
);
        var map = L.map('map',{
    crs: crs,
    continuousWorld: true,
    worldCopyJump: false
}).setView([23.39552, 113.308189], 0);  

var tileLayer = new L.TileLayer.TileLoad('http://localhost:8080/resources/china', {
              maxZoom: resolutions.length - 1,
              minZoom: 0,
              continuousWorld: true
          });
tileLayer.addTo(map);  

/**
 * 加载本地arcgis切片类
 *
 * @author ful
 * @date 2014-09-03
 * @copyright (c)
 */  

/**
 * 继承自TileLayer
 * @param {Object} tomcat中映射该切片目录url
 * @param {Object} options
 */
L.TileLayer.TileLoad = L.TileLayer.extend({
    initialize: function (url, options) {
        options = L.setOptions(this, options);
        this.url = url + "/Layers/_alllayers/{z}/{x}/{y}.png";
        L.TileLayer.prototype.initialize.call(this, this.url, options);
    }
});  

/**
 * 重写TileLayer中获取切片url方法
 * @param {Object} tilePoint
 */
L.TileLayer.prototype.getTileUrl = function(tilePoint) {
    return L.Util.template(this._url, L.extend({
        s: this._getSubdomain(tilePoint),
        z: function() {
            var value = tilePoint.z.toString(16);
            return "L" + pad(value, 2);
        },
        x: function() {
            var value = tilePoint.y.toString(16);
            return "R" + pad(value, 8);
        },
        y: function() {
            var value = tilePoint.x.toString(16);
            return "C" + pad(value, 8);
        }
    }));
};  

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

/**
 * 高位补全方法
 * @param {Object} 数字类型字符串
 * @param {Object} 总位数，不足则高位补0
 */
var pad = function(numStr, n) {
    var len = numStr.length;
    while(len < n) {
        numStr = "0" + numStr;
        len++;
    }
    return numStr;
};  

最后赋一段extend代码

       // 扩展加载ArcServer本地缓存的服务
        L.TileLayer.ArcServerTileLoad = L.TileLayer.extend({
            getTileUrl: function(tilePoint) {
                var oo = "00000000";
                var xx = tilePoint.x.toString(16);
                xx = "C" + oo.substring(0, 8 - xx.length) + xx;
                //var yy = (tilePoint.y - Math.pow(2, tilePoint.z - 2)).toString(16); //这里减去偏移值
                var yy = tilePoint.y.toString(16);
                yy = "R" + oo.substring(0, 8 - yy.length) + yy;

                //z如果小于10的时候处理下
                if(tilePoint.z.toString().length == 1) {
                    tilePoint.z = '0' + tilePoint.z.toString();
                }
                return L.Util.template(this._url, L.extend({
                    s: this._getSubdomain(tilePoint),
                    z: "L" + tilePoint.z,
                    x: xx,
                    y: yy
                }, this.options));
            }
        });

        L.tileLayer.arcServerTileLoad = function(url, options){
            return new L.TileLayer.ArcServerTileLoad(url, options);
        };
        //return this.baseLayer = L.tileLayer.arcServerTileLoad(url);