134 lines
4.3 KiB
Dart
134 lines
4.3 KiB
Dart
import 'package:flutter/material.dart';
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import 'home_page.dart'; // 要跳轉的頁面
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class LoginPage extends StatefulWidget {
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const LoginPage({super.key});
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@override
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State<LoginPage> createState() => _LoginPageState();
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}
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class _LoginPageState extends State<LoginPage> {
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final TextEditingController _emailController = TextEditingController();
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final TextEditingController _passwordController = TextEditingController();
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void _login() {
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String account = _emailController.text.trim();
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String password = _passwordController.text;
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if (account == 'admin' && password == '1234') {
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// 登入成功，跳轉到主畫面
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (context) => const HomePage()),
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);
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} else {
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// 登入失敗，跳出錯誤訊息
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showDialog(
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context: context,
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builder:
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(_) => AlertDialog(
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title: const Text('登入失敗'),
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content: const Text('帳號或密碼錯誤，請重新輸入。'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('確定'),
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),
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],
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),
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);
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.grey[100],
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body: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Container(
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padding: const EdgeInsets.all(24),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(20),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 10,
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offset: const Offset(0, 5),
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),
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],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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CircleAvatar(
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radius: 64,
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backgroundImage: AssetImage('assets/images/login.png'),
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),
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const SizedBox(height: 24),
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const Text(
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'歡迎回來',
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style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 24),
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TextField(
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controller: _emailController,
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decoration: InputDecoration(
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labelText: '帳號',
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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),
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),
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),
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const SizedBox(height: 16),
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TextField(
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controller: _passwordController,
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decoration: InputDecoration(
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labelText: '密碼',
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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),
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),
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obscureText: true,
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),
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const SizedBox(height: 24),
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SizedBox(
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width: double.infinity,
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child: ElevatedButton(
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onPressed: _login,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.indigo,
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padding: const EdgeInsets.symmetric(vertical: 14),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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),
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child: const Text(
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'登入',
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style: TextStyle(color: Colors.white),
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),
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),
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),
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const SizedBox(height: 16),
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TextButton(
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onPressed: () {},
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child: const Text(
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'忘記密碼？',
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style: TextStyle(
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color: Colors.indigo,
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decoration: TextDecoration.underline,
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),
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),
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),
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],
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),
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),
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),
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),
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);
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}
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}
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