如何将添加Marker的方法中的data数据传递到点击事件openInfoWin中
function addMarker(){
var data;
var markerlayer=new SuperMap.Layer.Markers("markerLayer");
markerlayer.clearMarkers();//清除所添加的标注
var size = new SuperMap.Size(44,33);
var offset = new SuperMap.Pixel(-(size.w/2), -size.h);
var icon = new SuperMap.Icon('./theme/images/marker.png', size, offset);
var marker =new SuperMap.Marker(new SuperMap.LonLat(11563077.084093,4302447.0461901),icon) ;
markerlayer.addMarker(marker);
map.addLayer(markerlayer);
marker.events.on({
"click":openInfoWin,
"scope": marker
});
}
var infowin = null;
function openInfoWin()
{ alert(data)
closeInfoWin();
var marker = this;
var lonlat = marker.getLonLat();
var size = new SuperMap.Size(0, 33);
var offset = new SuperMap.Pixel(11, -30);
var icon = new SuperMap.Icon("./theme/images/marker.png", size, offset);
var popup = new SuperMap.Popup.FramedCloud("popwin",
new SuperMap.LonLat(lonlat.lon,lonlat.lat),
null,
"鼠标点击事件 ",
icon,
true);
infowin = popup;
map.addPopup(popup);
}