import 'package:flutter/material.dart'; import 'package:ansu_ui/toast/as_toast.dart'; extension PhoneExt on String { List get _parsePhone { if (this.length < 11) return []; else return [ this.substring(0, 3), this.substring(3, 7), this.substring(7, 11), ]; } bool get _validPhone => _parsePhone.isNotEmpty; ///电话号码加分隔线 /// ///example 18888888888 => 188-8888-8888 String get phone { if (!_validPhone) return this; else return '${_parsePhone[0]}-${_parsePhone[1]}-${_parsePhone[2]}'; } String get securePhone { if (!_validPhone) return this; else return '${_parsePhone[0]}****${_parsePhone[2]}'; } Text get text => Text(this); get toast { ASToast.show(this); } }