[DART] jsonDecode 함수 : JSON 문자열에서 객체 생성하기

icodebroker DART 2024-06-18

■ jsonDecode 함수를 사용해 JSON 문자열에서 객체를 생성하는 방법을 보여준다.

▶ 예제 코드 (DART)


import 'dart:convert';

void main() {
  String jsonString = '''
  [
    {
      "subject" : "국어",
      "score"   : 100
    },
    {
      "subject" : "수학",
      "score"   : 90
    }
  ]
''';

  dynamic recordList = jsonDecode(jsonString);
  print(recordList is List);

  dynamic record1 = recordList[0];
  print(record1 is Map);
  print(record1['subject']);
  print(record1['score']);

  dynamic record2 = recordList[1];
  print(record2 is Map);
  print(record2['subject']);
  print(record2['score']);
}

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import 'dart:convert';

void main() {

String jsonString = '''

[

{

"subject" : "국어",

"score" : 100

},

{

"subject" : "수학",

"score" : 90

}

]

''';

dynamic recordList = jsonDecode(jsonString);

print(recordList is List);

dynamic record1 = recordList[0];

print(record1 is Map);

print(record1['subject']);

print(record1['score']);

dynamic record2 = recordList[1];

print(record2 is Map);

print(record2['subject']);

print(record2['score']);

}