java spring mvc jdom xml生成及下砸

function exceptCityList(){
	var cityIds = '';
	var rows = $('#cityDataGrid').datagrid('getSelections');
	
	for (var index = 0; index < rows.length; index++) {
		cityIds+=rows[index].id+",";
	}
	var link=getRootPath()+'/statis/supportcity/exceptCityXml/'+cityIds;  
    window.open(link);  
	return false;  
	 
}	

/**

* This

* @param response

* @param cityIds

* @throws FileNotFoundException

*/

@RequestMapping(value ="/exceptCityXml/{cityIds}")

public void exceptCityXml(HttpServletResponse response,@PathVariable("cityIds") String cityIds)throws FileNotFoundException {

List<Integer> cityIDList = new ArrayList<Integer>();

String[] ids = cityIds.split(",");

for (String string : ids) {

if (!string.isEmpty() && !"0".equals(string)) {

cityIDList.add(Integer.parseInt(string));

}

}

Element root = new Element("plist");

root.setAttribute("version","1.0");

Element array = new Element("array");

Document doc = new Document(root);

DocType docType = new DocType("plist");

docType.setPublicID("-//Apple//DTD PLIST 1.0//EN");

docType.setSystemID("http://www.apple.com/DTDs/PropertyList-1.0.dtd");

doc.setDocType(docType);

List<Map<String, Object>> cityList = null;

try {

cityList = this.supportCityService.selectCityListByCityIdList(cityIDList);

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

if (cityList != null) {

for (Map<String, Object> city : cityList) {

Element element =new Element("dict");

element.addContent(new Element("key").setText("center"));

element.addContent(new Element("string").setText(city.get("cityLat") +"," + city.get("ctiyLng")));

element.addContent(new Element("key").setText("cityCode"));

element.addContent(new Element("string").setText(city.get("cityCode").toString()));

element.addContent(new Element("key").setText("name"));

element.addContent(new Element("string").setText(city.get("cityChName").toString()));

element.addContent(new Element("key").setText("enName"));

element.addContent(new Element("string").setText(city.get("cityName").toString()));

array.addContent(element);

}

root.addContent(array);

}

XMLOutputter xmlOut = new XMLOutputter();

Format f = Format.getPrettyFormat();

f.setEncoding("UTF-8");

xmlOut.setFormat(f);

String content = xmlOut.outputString(doc);

InputStream inStream = new ByteArrayInputStream(content.getBytes());

response.reset();

response.setContentType("bin");

response.addHeader("Content-Disposition","attachment; filename=citylist.plist");

byte[] b = new byte[100];

int len;

try {

while ((len = inStream.read(b)) > 0) {

response.getOutputStream().write(b, 0, len);

}

inStream.close();

} catch (IOException e) {

e.printStackTrace();

}

}