14 lines
404 B
Dart
14 lines
404 B
Dart
import 'package:flutter/services.dart';
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class StarInputFormatter extends TextInputFormatter {
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@override
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TextEditingValue formatEditUpdate(
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TextEditingValue oldValue, TextEditingValue newValue) {
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// 将新输入的文本转换为星号
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return TextEditingValue(
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text: '*' * newValue.text.length,
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selection: TextSelection.collapsed(offset: newValue.text.length),
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);
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}
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}
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