73 lines
1.7 KiB
Dart
73 lines
1.7 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'login/login_model.dart';
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class StartPage extends StatefulWidget {
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const StartPage({super.key});
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@override
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State<StartPage> createState() => _StartPageState();
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}
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class _StartPageState extends State<StartPage> {
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late StreamSubscription subscription;
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LoginModel _viewmodel = new LoginModel();
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@override
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void initState() {
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// TODO: implement initState
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super.initState();
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subscription = _viewmodel.streamController.stream.listen((newData) {
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String code = newData['code'];
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if (code.isNotEmpty) {
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switch (code) {
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case "login":
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Navigator.pushReplacementNamed(context, "/HomePage");
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break;
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default:
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Navigator.pushReplacementNamed(context, "/HomePage");
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break;
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}
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}
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});
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_loadData();
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}
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@override
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void dispose() {
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// TODO: implement dispose
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subscription.cancel();
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super.dispose();
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}
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Future<void> _loadData() async {
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// 获取token
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final SharedPreferences prefs = await SharedPreferences.getInstance();
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final String? token = prefs.getString('token');
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if (token != "") {
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_viewmodel.login("", "", 0, token);
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} else {
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Navigator.pushReplacementNamed(context, "/HomePage");
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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 Container(
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child: Image(
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width: MediaQuery.of(context).size.width,
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height: MediaQuery.of(context).size.height,
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fit: BoxFit.cover,
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image: AssetImage('assets/images/img_start.png'),
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),
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);
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}
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}
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