//获得的标点
WebPoint pt=(WebPoint)arg0.getWebGeometry().toMapGeometry(arg0.getWebContext().getWebMap());
//获得图片的二进制 可以在application启动时进行读取，放在context的某个attribute里面。
String picPath= FacesContext.getCurrentInstance().getExternalContext().getRequestContextPath()+"\\images\\angle.gif";
File myFile = new File(picPath);
FileInputStream myStream= newFileInputStream(myFile);
BufferedInputStream buf = newBufferedInputStream(myStream);
byte[] bytInput = newbyte[(int)myFile.length()];
buf.read(bytInput, 0, (int) myFile.length());
buf.close();
myStream.close();
//在地图上标注
WebPictureMarkerSymbol markers=newWebPictureMarkerSymbol();
markers.setPicture(bytInput);
GraphicElement ge=new GraphicElement();
ge.setGeometry(pt);
ge.setSymbol(markers);
WebGraphics graphics=arg0.getWebContext().getWebGraphics();
graphics.addGraphics(ge);
arg0.getWebContext().refresh();
转载于: http://leo43.blog.hexun.com/p9/default.aspx