import 'package:flutter/material.dart';

class NameInputField extends StatelessWidget {
  final String initialValue;
  final ValueChanged<String> onChanged;

  const NameInputField({required this.initialValue, required this.onChanged});

  @override
  Widget build(BuildContext context) {
    return TextFormField(
      initialValue: initialValue,
      onChanged: onChanged,
      decoration: InputDecoration(
        labelText: '名称',
        hintText: '请输入名称',
        border: OutlineInputBorder(),
      ),
      maxLength: 20,
      validator: (value) {
        if (value == null || value.trim().isEmpty) {
          return '名称不能为空';
        }
        return null;
      },
    );
  }
}