json

jsp=============================================================
<%@page import="org.json.simple.JSONObject"%>
<%@page import="org.json.simple.JSONArray"%>
<%@ page language="java" contentType="text/xml; charset=UTF-8" pageEncoding="UTF-8"%>
<%
String com_cont = String.valueOf(request.getAttribute("com_cont"));
String file_name = String.valueOf(request.getAttribute("file_name"));
String file_true_name = String.valueOf(request.getAttribute("file_true_name"));
String fl_idx = String.valueOf(request.getAttribute("fl_idx"));

JSONObject js_obj = new JSONObject();
js_obj.put("com_cont",com_cont);
js_obj.put("file_name",file_name);
js_obj.put("file_true_name",file_true_name);
js_obj.put("fl_idx",fl_idx);
out.print(js_obj.toJSONString());
%>

javascript======================================================
 $.ajax({    
        type:"POST",
        url:url,    
        data:params,
        dataType: "json",
        success:function(resultData){
            //$("#result").html(args);
            //console.log(resultData);
            //var com_cont = $(resultData).find("com_cont").html();              
            var com_cont = resultData.com_cont;
            setReplyForm(com_idx,com_cont);          
        },
        //beforeSend:showRequest,
        error:function(e){
            alert(e.responseText);
        }
    });