新增忘記密碼頁面/忘記密碼，傳送臨時密碼
This commit is contained in:
kuei
217
lib/ForgetPasswordPage.dart
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217
lib/ForgetPasswordPage.dart
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@@ -0,0 +1,217 @@
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import 'package:flutter/material.dart';
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import 'package:mysql_client/mysql_client.dart';
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import 'dart:async';
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import 'dart:math';
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import 'package:mailer/mailer.dart';
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import 'package:mailer/smtp_server.dart';
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import 'package:validators/validators.dart' as validator;
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void main() {
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runApp(MaterialApp(
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home: ForgetPasswordPage(),
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));
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}
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class ForgetPasswordPage extends StatefulWidget {
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@override
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_ForgetPasswordPageState createState() => _ForgetPasswordPageState();
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}
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class _ForgetPasswordPageState extends State<ForgetPasswordPage> {
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late FocusNode _emailFocusNode;
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final TextEditingController _emailController = TextEditingController();
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bool _isButtonEnabled = true;
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String _generatedCode = ''; // 用來存儲生成的臨時密碼
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@override
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void initState() {
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super.initState();
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_fetchData();
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_emailFocusNode = FocusNode();
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}
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void _fetchData() async {
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final conn = await MySQLConnection.createConnection(
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host: '203.64.84.154',
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port: 33061,
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userName: 'root',
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password: 'Topic@2024',
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databaseName: 'care',
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);
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await conn.connect();
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}
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String _generateVerificationCode() {
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final random = Random();
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const availableChars = '0123456789';
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return List.generate(
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6, (index) => availableChars[random.nextInt(availableChars.length)])
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.join();
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}
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Future<void> _sendEmail(String recipientEmail, String code) async {
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final smtpServer = SmtpServer(
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'smtp.gmail.com',
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port: 587,
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username: 'kueikuei8011@gmail.com',
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password: 'yqns onwf tydq obzl',
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ssl: false,
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allowInsecure: false,
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);
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final message = Message()
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..from = Address('kueikuei8011@gmail.com', 'Kuei')
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..recipients.add(recipientEmail)
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..subject = '您的臨時密碼'
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..text = '您的臨時密碼是: $code';
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try {
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await send(message, smtpServer);
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print('臨時密碼發送成功');
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} catch (e) {
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print('臨時密碼發送失敗: $e');
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}
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}
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void _sendVerificationCode() async {// 發送並更新資料庫中的密碼
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final email = _emailController.text;
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if (email.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('請輸入電子信箱地址')),
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);
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return;
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} else if (!validator.isEmail(email)) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('請輸入正確的電子信箱')),
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);
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_emailFocusNode.requestFocus();
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return;
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}
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//_generatedCode = _generateVerificationCode();
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//_sendEmail(email, _generatedCode);
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final conn = await MySQLConnection.createConnection(
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host: '203.64.84.154',
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port: 33061,
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userName: 'root',
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password: 'Topic@2024',
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databaseName: 'care',
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);
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await conn.connect();
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try {
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var result = await conn.execute(
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'SELECT * FROM HomeLogin WHERE homeEmail = :email',
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{'email': email},
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);
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if (result.rows.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('失敗')),
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);
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} else {
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_generatedCode = _generateVerificationCode();
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await conn.execute(
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'UPDATE HomeLogin SET homePassword = :tempPassword WHERE homeEmail = :email',
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{'tempPassword': _generatedCode, 'email': email},
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);
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// 發送臨時密碼到用戶電子信箱
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_sendEmail(email, _generatedCode);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('臨時密碼已發送到您的電子信箱')),
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);
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_emailController.clear();
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}
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} catch (e) {
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print('資料庫錯誤: $e');
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('註冊失敗：系統錯誤')),
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);
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} finally {
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await conn.close();
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}
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}
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@override
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void dispose() {
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super.dispose();
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_emailFocusNode.dispose();
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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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body: SafeArea(
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child: Center(
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child: SingleChildScrollView(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 32.0),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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margin: EdgeInsets.only(bottom: 40),
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height: 100,
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child: Icon(
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Icons.account_circle,
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size: 100,
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color: Color(0xFF4FC3F7),
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),
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),
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Text(
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'全方位照護守護者',
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style: TextStyle(
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fontSize: 32,
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fontWeight: FontWeight.bold,
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color: Colors.black,
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),
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),
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SizedBox(height: 20),
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TextField(
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controller: _emailController,
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focusNode: _emailFocusNode,
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decoration: InputDecoration(
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border: OutlineInputBorder(),
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prefixIcon: Icon(Icons.email_outlined),
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labelText: '電子信箱',
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),
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keyboardType: TextInputType.emailAddress,
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),
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SizedBox(height: 20),
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ElevatedButton(
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onPressed: _sendVerificationCode,
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child: Text('送出'),
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style: ElevatedButton.styleFrom(
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backgroundColor: Color(0xFF4FC3F7),
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padding:
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EdgeInsets.symmetric(horizontal: 50, vertical: 15),
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textStyle: TextStyle(fontSize: 18),
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),
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),
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SizedBox(height: 10),
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ElevatedButton(
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onPressed: () {
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Navigator.pop(context);
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},
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child: Text('取消'),
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style: TextButton.styleFrom(
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backgroundColor: Colors.transparent,
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textStyle: TextStyle(fontSize: 18),
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shadowColor: Colors.transparent,
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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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@@ -470,11 +470,6 @@ class _AccountPageState extends State<AccountPage> {
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subtitle: _isEditing
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? TextField(
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controller: _emailController,
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onChanged: (value) {
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setState(() {
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widget.email = value;
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});
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},
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)
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: Text(widget.email),
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),
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@@ -495,11 +490,7 @@ class _AccountPageState extends State<AccountPage> {
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},
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),
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),
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onChanged: (value) {
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setState(() {
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widget.password = value;
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});
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},
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)
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: Text(widget.password),
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),
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@@ -5,6 +5,7 @@ import 'package:topic/HomePage.dart';
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import 'package:mysql_client/mysql_client.dart';
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import 'package:topic/NoSwipeBackRoute.dart';
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import 'package:topic/RegisterPage.dart';
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import 'package:topic/ForgetPasswordPage.dart';
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import 'package:validators/validators.dart' as validator;
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@@ -243,9 +244,7 @@ class _LoginPageState extends State<LoginPage> {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => HomePage(
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email: _emailController.text,
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)),
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builder: (context) => ForgetPasswordPage()),
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);
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},
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child: Text('忘記密碼'),
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