list를 json으로 변경

import net.sf.json.JSONArray;
       
List resultList = admin.list(admin);
        model.addAttribute("resultList", resultList);
       
JSONArray mapResult = JSONArray.fromObject(resultList);
        model.addAttribute("mapResult", mapResult);
 

javascript

      
      var strList = ${mapResult};
      
      console.log(typeof strList);
      console.log(strList[0]);
      console.log(strList.length);

json-simple-1.1.1.jar

또는......

//팝업
List<Map<String, String>> popupList = mainService.getPopupList(param);
JSONArray jsonArray = new JSONArray();
for (int i = 0; i < popupList.size(); i++) {
 
            JSONObject data = new JSONObject();
            data.put("POPUP_SEQ", popupList.get(i).get("POPUP_SEQ"));
            jsonArray.add(i, data);    
 }
 
 model.addAttribute("popupList", jsonArray);