[Flutter 플러터] TextField 숫자 화폐단위 콤마 사용하기

▶ currency_text_input_formatter 라이브러리 설치 

flutter pub add currency_text_input_formatter

 

▶ 예제 소스

TextField(
  inputFormatters: <TextInputFormatter>[
    CurrencyTextInputFormatter.currency(
      locale: 'ko',
      decimalDigits: 0,
      symbol: 'KRW ',
    ),
  ],
  keyboardType: TextInputType.number,
  textAlign: TextAlign.right,
  controller: textController1,
  decoration: const InputDecoration(
    border: OutlineInputBorder(),
    labelText: '매수평균단가',
    hintText: '숫자만입력',
  ),
),

 

▶ 결과 화면 

 

https://pub.dev/packages/currency_text_input_formatter

currency_text_input_formatter | Flutter package