serverweb/src/json/JSONParserTeset.java at master · kimsaemjava/serverweb

47 lines (30 loc) · 1.01 KB

package json;

import java.io.FileReader;

import org.json.simple.JSONArray;

import org.json.simple.JSONObject;

import org.json.simple.parser.JSONParser;

* .json파일을 JSONArray나 JSONObject로 변환

* JSON파서 - JSONParser(json-simple.jar라이브러리내에서)

public class JSONParserTeset {

public static void main(String[] args) throws Exception{

//1. JSONParser를 생성

JSONParser parser = new JSONParser();

//2. json파싱하기

JSONObject root =

(JSONObject)parser.parse(

new FileReader("src/json/mydata.json"));

//3. JSONObject에서 데이터 읽기

String name = (String)root.get("name");

String age = (String)root.get("age");

System.out.println("name:"+name);

System.out.println("age:"+age);

//4. JSONArray에서 데이터읽기

JSONArray subjectlist = (JSONArray)root.get("subject");

for (int i = 0; i <subjectlist.size(); i++) {

String subject = (String)subjectlist.get(i);

System.out.println("Subject:"+subject);

}

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