5.15

import 'package:flutter/material.dart';
import '../Do/UserDao.dart';

class InsertColumn extends StatelessWidget {
    InsertColumn({super.key});

  // Create controllers
  final TextEditingController _usernameController = TextEditingController();
  final TextEditingController _textController = TextEditingController();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('发帖'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(20.0),
        child: ListView(
          children: <Widget>[
            TextFormField(
              controller: _usernameController,
              decoration: InputDecoration(
                labelText: '发帖人',
              ),
            ),
            const SizedBox(height: 20.0),
            TextFormField(
              controller: _textController,
              decoration: InputDecoration(
                labelText: '帖子内容',
              ),
            ),
            const SizedBox(height: 20.0),
            ElevatedButton(
              onPressed: () {
                // Get user input values
                String username = _usernameController.text.trim();
                String text = _textController.text.trim();

                // Simple input validation, you can add more validation logic as needed
                if (username.isNotEmpty && text.isNotEmpty) {
                  insertColumn(context, username, text);
                } else {
                  // Prompt user to input complete information
                  ScaffoldMessenger.of(context).showSnackBar(
                    const SnackBar(
                      content: Text('请输入完整的信息'),
                    ),
                  );
                }
              },
              child: const Text('发布'),
            ),
          ],
        ),
      ),
    );
  }
}