Rewrite ArcGIS Tiledmapservicelayer to call the world map tile

Require (["esri/layers/tiledmapservicelayer"], function () {


Dojo.declare ("com. StrongIt.Map.Layers.LayerTianditu ", Esri.layers.TiledMapServiceLayer, {
_mapstyle: "",
Constructor:function (Mapstyle, Startlevel, Endlevel) {
This._mapstyle = Mapstyle;
This.spatialreference = new ESRI. Spatialreference ({
wkid:4326
});
This.initialextent = new Esri.geometry.Extent (73.5, 4, 135, 53.5, this.spatialreference);
This.fullextent = new Esri.geometry.Extent ( -180.0, -90.0, 180.0, 90.0, this.spatialreference);
This.tileinfo = new Esri.layers.TileInfo ({
"dpi": "90.71428571427429",
"Format": "Image/png",
"CompressionQuality": 0,
"Rows": 256,
"Cols": 256,
"CompressionQuality": 0,
"Origin": {
"X":-180,
"Y": 90
},
"Spatialreference": {
"Wkid": 4326
},
"LODs": This._getlods (Startlevel, Endlevel)
});


This.loaded = true;
This.onload (this);
},


Gettileurl:function (level, row, col) {
var servicenum = col% 8;
var mapInfo = This._getmapinfo ();
Return "http://t"
+ Servicenum
+ ". Tianditu.com/dataserver?

T= "+ Mapinfo.mapname +" & "+
"x=" + col + "&" +
"Y=" + Row + "&" +
"l=" + level;
},


_getlods:function (Startlevel, Endlevel) {
var lods = [];


var minscale = 590995186.1175;
var maxresolution = 1.40625;

var tempscale = Minscale;
var tempresolution = maxresolution;
for (var i = 0; I <= endlevel; i++) {

var lod = {
"Level": I,
"Resolution": Tempresolution,
"Scale": Tempscale
}
if (i >= startlevel) {
Lods.push (LOD);
}


Tempscale = TEMPSCALE/2;
Tempresolution = TEMPRESOLUTION/2;
}


return lods;
},


_getmapinfo:function () {
var result = {
MapName: "",
Layerid: "",
Tilematrixsetid: ""
};
if (This._mapstyle = = "Imagebasemap") {
Get Imagery (Basemap)
Result.mapname = "Img_c";
Result.layerid = "img";
Result.tilematrixsetid = "C";
} else if (This._mapstyle = = "Imagecnnote") {
Get images (Chinese annotation)
Result.mapname = "Cia_c";
Result.layerid = "CIA";
Result.tilematrixsetid = "C";
} else if (This._mapstyle = = "Imageennote") {
Get Imagery (English annotation)
Result.mapname = "Eia_c";
Result.layerid = "EIA";
Result.tilematrixsetid = "C";
} else if (This._mapstyle = = "Terrainbasemap") {
Get topographic map (BASEMAP)
Result.mapname = "Ter_c";
Result.layerid = "ter";
Result.tilematrixsetid = "C";
} else if (This._mapstyle = = "Terraincnnote") {
Get topographic map (Chinese note)
Result.mapname = "Cta_c";
Result.layerid = "CTA";
Result.tilematrixsetid = "C";
} else if (This._mapstyle = = "Terrainennote") {
Get topographic map (English note)
} else if (This._mapstyle = = "Vectorbasemap") {
Get a map (basemap)
Result.mapname = "Vec_c";
Result.layerid = "VEC";
Result.tilematrixsetid = "C";
} else if (This._mapstyle = = "Vectorcnnote") {
Get a map (Chinese annotation)
Result.mapname = "Cva_c";
Result.layerid = "CVA";
Result.tilematrixsetid = "C";
} else if (This._mapstyle = = "Vectorennote") {
Get a map (English note)
Result.mapname = "Eva_c";
Result.layerid = "Eva";
Result.tilematrixsetid = "C";
}


return result;
}
});


});

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Rewrite ArcGIS Tiledmapservicelayer to call the world map tile