출처 : 스프링3(Spring3) - @ResponseBody + jackson을 이용하여 심플하게 구현하기
Chapter16. 스프링 MVC로 REST API 사용하기 · Spring Study Group
Spring에서 JSON과 연동방법 - 와이케이의 마구잡이 - GitHub Pages
[ERROR:] cvc-complex-type.2.1: Element 'mvc ... - kkan's - Tistory
pom.xml 내용 추가
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${org.springframework-version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.6.3</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.6.3</version>
</dependency>
***-servlet.xml 내용 추가
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:security="http://www.springframework.org/schema/security"
xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-2.5.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-2.0.xsd">
<mvc:annotation-driven>
<mvc:message-converters>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
<value>application/json;charset=UTF-8</value>
</list>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
VO 객체
package com.myhome.dto;
import java.util.ArrayList;
public class JSONTest {
private int id;
private String txt;
private ArrayList<String> list;
private String[] arr;
public String[] getArr() {
return arr;
}
public void setArr(String[] arr) {
this.arr = arr;
}
public ArrayList<String> getList() {
return list;
}
public void setList(ArrayList<String> list) {
this.list = list;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getTxt() {
return txt;
}
public void setTxt(String txt) {
this.txt = txt;
}
}
Controller
package com.myhome.ui;
import java.util.ArrayList;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import com.myhome.dto.JSONTest;
@Controller
public class HelloController {
@RequestMapping(value = "/jsonTest.do", method = RequestMethod.GET, produces = "application/json")
public @ResponseBody JSONTest jsonTest() {
// 가상의 배열및 리스트에 데이터 add
ArrayList<String> arraylist = new ArrayList<String>();
arraylist.add("a");
arraylist.add("b");
String[] array = { "a", "b", "c" };
// VO객체에 SET한후 vo객체자체를 return
JSONTest test = new JSONTest();
test.setId(1);
test.setTxt("textTxt");
test.setList(arraylist);
test.setArr(array);
return test;
}
}
실행

JavaScript : array to json string
JSON.stringify
function doSave() {
var arr_select_class = [];
var class_combo_list = $('.div_sel_class');
$.each(class_combo_list, function(index, data) {
var main_yn = $(data).find('#main_yn').attr('checked');
var sel_class6 = $(data).find('#sel_class6').val();
var data1 = {
index : index,
main_yn : main_yn,
class_index : sel_class6
};
arr_select_class.push(data1);
});
var form1 = document.InsertForm2;
form1.json_select_class.value = JSON.stringify(arr_select_class);
form1.submit();
}
Java : json string to json object
JSONParser parser = new JSONParser();
JSONObject json_select_class_obj = (JSONObject) parser.parse(json_select_class);
logger.debug(json_select_class_obj.toString());