Arcgis for Js之鼠标经过显示对象名的实现

function mouseOverLayer(e){
	map.setMapCursor("pointer");
	console.log(e.graphic);	
	var font  = new esri.symbol.Font();
	font.setSize("10pt");
	font.setFamily("微软雅黑");
	var cpoint = event.graphic.geometry;
	var text = new esri.symbol.TextSymbol(event.graphic.attributes.name);
	text.setFont(font);
	text.setColor(new dojo.Color([0,0,0,100]));
	text.setOffset(20,-35);
	
	pmsTextBg.setOffset(20,-30);
	var textLength=event.graphic.attributes.name.length;
	pmsTextBg.setWidth(textLength*13.5+5);
	var bgGraphic = new esri.Graphic(cpoint, pmsTextBg);
	showTextLayer.add(bgGraphic);
	var labelGraphic = new esri.Graphic(cpoint,text);
	showTextLayer.add(labelGraphic);
	
};
function mouseOutLayer(){
	map.graphics.clear();
	showTextLayer.clear();
	map.setMapCursor("default");
}

            function mouseOverLayer(e){
                map.setMapCursor("pointer");
                console.log(e.graphic.attributes);
                var scrPt = map.toScreen(e.graphic.geometry);
                console.log(scrPt);
                var textDiv = dojo.doc.createElement("div");
                dojo.attr(textDiv,{
                    "id":"text"
                });
                dojo.style(textDiv, {
                    "left": scrPt.x+10 + "px",
                    "top": scrPt.y+10 + "px",
                    "position": "absolute",
                    "z-index":99,
                    "background":"#fcffd1",
                    "font-size":"10px",
                    "border":"1px solid #0096ff",
                    "padding": "0.1em 0.3em 0.1em",
                    "font-size": "11px",
                    "border-radius": "3px",
                    "box-shadow": "0 0 0.75em #777777"
                });
                textDiv.innerHTML =e.graphic.attributes.name;
                dojo.byId("map").appendChild(textDiv);
            };
            function mouseOutLayer(e){
                map.setMapCursor("default");
                dojo.byId("map").removeChild(dojo.byId("text"));
            };