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pom.xml 내용 추가
<dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-core-asl</artifactId> <version>1.9.13</version> </dependency>
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.io.IOException;
import java.util.ArrayList;
import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
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 String jsonTest() throws JsonGenerationException, JsonMappingException, IOException {
// 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);
ObjectMapper mapper = new ObjectMapper();
String jsonString = mapper.writeValueAsString(test);
return jsonString;
}
}
실행
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