Leaf-WAI/qinglong_app
1
0
Fork 0
mirror of https://github.com/qinglong-app/qinglong_app.git synced 2025-10-09 16:48:19 +08:00
Code Issues Projects Releases Wiki Activity

add login

Browse Source
This commit is contained in:
jyuesong
2022-01-12 15:45:52 +08:00
parent 9f7164db48
commit 05e4fd6f66
14 changed files with 483 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

154
lib/module/login/login_page.dart Normal file
View File

@@ -0,0 +1,154 @@
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:qinglong_app/base/common_dialog.dart';
import 'package:qinglong_app/base/routes.dart';
import 'package:qinglong_app/module/login/login_viewmodel.dart';
import 'package:qinglong_app/utils/utils.dart';
class LoginPage extends StatefulWidget {
const LoginPage({Key? key}) : super(key: key);
@override
_LoginPageState createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
final TextEditingController _userNameController = TextEditingController();
final TextEditingController _passwordController = TextEditingController();
HideCallback? _hideCallback;
@override
Widget build(BuildContext context) {
return Scaffold(
body: Consumer(builder: (context, ref, child) {
var model = ref.watch<LoginViewModel>(loginProvider);
if (model.isLoading) {
WidgetsBinding.instance?.addPostFrameCallback((timeStamp) {
_hideCallback ??= loadingDialog(context, text: "登录中...");
});
} else {
if (_hideCallback != null) {
WidgetsBinding.instance?.addPostFrameCallback((timeStamp) {
_hideCallback!();
});
}
}
if (model.loginSuccess) {
WidgetsBinding.instance?.addPostFrameCallback((timeStamp) {
Navigator.of(context).pushNamed(Routes.route_HomePage);
});
}
return SizedBox(
height: MediaQuery.of(context).size.height,
child: SingleChildScrollView(
child: Column(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
SizedBox(
height: MediaQuery.of(context).size.height / 3,
),
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 15,
),
child: Row(
children: [
const SizedBox(
child: Text(
"用户名:",
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
),
),
width: 60,
),
const SizedBox(
width: 15,
),
Expanded(
child: TextField(
onChanged: (_) {
setState(() {});
},
controller: _userNameController,
decoration: const InputDecoration(
contentPadding: EdgeInsets.fromLTRB(0, 5, 0, 5),
hintText: "请输入用户名",
),
autofocus: false,
),
),
],
),
),
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 15,
vertical: 10,
),
child: Row(
children: [
const SizedBox(
child: Text(
"密码:",
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
),
),
width: 60,
),
const SizedBox(
width: 15,
),
Expanded(
child: TextField(
onChanged: (_) {
setState(() {});
},
controller: _passwordController,
obscureText: true,
decoration: const InputDecoration(
contentPadding: EdgeInsets.fromLTRB(0, 5, 0, 5),
hintText: "请输入密码",
),
autofocus: false,
),
),
],
),
),
const SizedBox(
height: 30,
),
SizedBox(
width: MediaQuery.of(context).size.width - 30,
child: CupertinoButton(
color: (_userNameController.text.isNotEmpty && _passwordController.text.isNotEmpty)
? Theme.of(context).primaryColor
: Theme.of(context).primaryColor.withOpacity(0.3),
child: const Text(
"登录",
style: TextStyle(
fontSize: 16,
),
),
onPressed: () {
Utils.hideKeyBoard(context);
model.login(_userNameController.text, _passwordController.text);
}),
),
],
),
),
);
}),
);
}
}

19
lib/module/login/login_viewmodel.dart Normal file
View File

@@ -0,0 +1,19 @@
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:qinglong_app/base/base_viewmodel.dart';
var loginProvider = ChangeNotifierProvider((ref) => LoginViewModel());
class LoginViewModel extends ViewModel {
bool loginSuccess = false;
bool isLoading = false;
void login(String userName, String password) {
isLoading = true;
notifyListeners();
Future.delayed(Duration(seconds: 2), () {
isLoading = false;
loginSuccess = true;
notifyListeners();
});
}
}