mirror of
https://github.com/RxReader/wechat_kit.git
synced 2025-08-06 15:20:24 +08:00
352 lines
11 KiB
Dart
352 lines
11 KiB
Dart
import 'dart:async';
|
||
import 'dart:typed_data';
|
||
|
||
import 'package:flutter/foundation.dart';
|
||
import 'package:flutter/material.dart';
|
||
import 'package:flutter_cache_manager/file.dart';
|
||
import 'package:flutter_cache_manager/flutter_cache_manager.dart';
|
||
import 'package:image/image.dart' as image;
|
||
import 'package:path/path.dart' as path;
|
||
import 'package:uuid/uuid.dart';
|
||
import 'package:wechat_kit/wechat_kit.dart';
|
||
import 'package:wechat_kit_extension/wechat_kit_extension.dart';
|
||
|
||
const String kWechatAppID = 'your wechat appId';
|
||
const String kWechatUniversalLink = 'your wechat universal link'; // iOS 请配置
|
||
const String kWechatAppSecret = 'your wechat appSecret';
|
||
const String kWechatMiniAppID = 'your wechat miniAppId';
|
||
|
||
void main() {
|
||
runApp(MyApp());
|
||
}
|
||
|
||
class MyApp extends StatelessWidget {
|
||
const MyApp({
|
||
super.key,
|
||
});
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
return MaterialApp(
|
||
home: Home(),
|
||
);
|
||
}
|
||
}
|
||
|
||
class Home extends StatefulWidget {
|
||
const Home({
|
||
super.key,
|
||
});
|
||
|
||
@override
|
||
State<StatefulWidget> createState() {
|
||
return _HomeState();
|
||
}
|
||
}
|
||
|
||
class _HomeState extends State<Home> {
|
||
late final StreamSubscription<WechatResp> _respSubs;
|
||
|
||
WechatAuthResp? _authResp;
|
||
|
||
@override
|
||
void initState() {
|
||
super.initState();
|
||
_respSubs = WechatKitPlatform.instance.respStream().listen(_listenResp);
|
||
}
|
||
|
||
void _listenResp(WechatResp resp) {
|
||
if (resp is WechatAuthResp) {
|
||
_authResp = resp;
|
||
final String content = 'auth: ${resp.errorCode} ${resp.errorMsg}';
|
||
_showTips('登录', content);
|
||
} else if (resp is WechatShareMsgResp) {
|
||
final String content = 'share: ${resp.errorCode} ${resp.errorMsg}';
|
||
_showTips('分享', content);
|
||
} else if (resp is WechatPayResp) {
|
||
final String content = 'pay: ${resp.errorCode} ${resp.errorMsg}';
|
||
_showTips('支付', content);
|
||
} else if (resp is WechatLaunchMiniProgramResp) {
|
||
final String content = 'mini program: ${resp.errorCode} ${resp.errorMsg}';
|
||
_showTips('拉起小程序', content);
|
||
}
|
||
}
|
||
|
||
@override
|
||
void dispose() {
|
||
_respSubs.cancel();
|
||
super.dispose();
|
||
}
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
return Scaffold(
|
||
appBar: AppBar(
|
||
title: Text('Wechat Kit Demo'),
|
||
),
|
||
body: ListView(
|
||
children: <Widget>[
|
||
ListTile(
|
||
title: Text('注册APP'),
|
||
onTap: () async {
|
||
await WechatKitPlatform.instance.registerApp(
|
||
appId: kWechatAppID,
|
||
universalLink: kWechatUniversalLink,
|
||
);
|
||
_showTips('注册APP', '注册成功');
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('微信回调 - 冷启'),
|
||
onTap: () async {
|
||
await WechatKitPlatform.instance.handleInitialWXReq();
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('环境检查'),
|
||
onTap: () async {
|
||
final String content =
|
||
'wechat: ${await WechatKitPlatform.instance.isInstalled()} - ${await WechatKitPlatform.instance.isSupportApi()}';
|
||
_showTips('环境检查', content);
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('登录'),
|
||
onTap: () {
|
||
WechatKitPlatform.instance.auth(
|
||
scope: <String>[WechatScope.kSNSApiUserInfo],
|
||
state: 'auth',
|
||
);
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('扫码登录'),
|
||
onTap: () {
|
||
Navigator.of(context).push<void>(MaterialPageRoute<dynamic>(
|
||
builder: (BuildContext context) => Qrauth(),
|
||
));
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('获取用户信息'),
|
||
onTap: () async {
|
||
if (_authResp != null && _authResp!.isSuccessful) {
|
||
final WechatAccessTokenResp accessTokenResp =
|
||
await WechatExtension.getAccessTokenUnionID(
|
||
appId: kWechatAppID,
|
||
appSecret: kWechatAppSecret,
|
||
code: _authResp!.code!,
|
||
);
|
||
if (accessTokenResp.isSuccessful) {
|
||
final WechatUserInfoResp userInfoResp =
|
||
await WechatExtension.getUserInfoUnionID(
|
||
openId: accessTokenResp.openid!,
|
||
accessToken: accessTokenResp.accessToken!,
|
||
);
|
||
if (userInfoResp.isSuccessful) {
|
||
_showTips('用户信息',
|
||
'${userInfoResp.nickname} - ${userInfoResp.sex}');
|
||
}
|
||
}
|
||
}
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('文字分享'),
|
||
onTap: () {
|
||
WechatKitPlatform.instance.shareText(
|
||
scene: WechatScene.kTimeline,
|
||
text: 'Share Text',
|
||
);
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('图片分享'),
|
||
onTap: () async {
|
||
final File file = await DefaultCacheManager().getSingleFile(
|
||
'https://www.baidu.com/img/bd_logo1.png?where=super');
|
||
await WechatKitPlatform.instance.shareImage(
|
||
scene: WechatScene.kSession,
|
||
imageUri: Uri.file(file.path),
|
||
);
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('文件分享'),
|
||
onTap: () async {
|
||
final File file = await DefaultCacheManager().getSingleFile(
|
||
'https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf');
|
||
await WechatKitPlatform.instance.shareFile(
|
||
scene: WechatScene.kSession,
|
||
title: '测试文件',
|
||
fileUri: Uri.file(file.path),
|
||
fileExtension: path.extension(file.path),
|
||
);
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('Emoji分享'),
|
||
onTap: () async {
|
||
final File file = await DefaultCacheManager().getSingleFile(
|
||
'https://n.sinaimg.cn/tech/transform/695/w467h228/20191119/bf27-iipztfe9404360.gif');
|
||
final image.Image thumbnail =
|
||
image.decodeImage(file.readAsBytesSync())!;
|
||
Uint8List thumbData = thumbnail.getBytes();
|
||
if (thumbData.length > 32 * 1024) {
|
||
thumbData = Uint8List.fromList(image.encodeJpg(thumbnail,
|
||
quality: 100 * 32 * 1024 ~/ thumbData.length));
|
||
}
|
||
await WechatKitPlatform.instance.shareEmoji(
|
||
scene: WechatScene.kSession,
|
||
thumbData: thumbData,
|
||
emojiUri: Uri.file(file.path),
|
||
);
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('网页分享'),
|
||
onTap: () {
|
||
WechatKitPlatform.instance.shareWebpage(
|
||
scene: WechatScene.kTimeline,
|
||
webpageUrl: 'https://www.baidu.com',
|
||
);
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('支付'),
|
||
onTap: () {
|
||
// 微信 Demo 例子：https://wxpay.wxutil.com/pub_v2/app/app_pay.php
|
||
WechatKitPlatform.instance.pay(
|
||
appId: kWechatAppID,
|
||
partnerId: '商户号',
|
||
prepayId: '预支付交易会话ID',
|
||
package: '扩展字段,暂填写固定值：Sign=WXPay',
|
||
nonceStr: '随机字符串, 随机字符串，不长于32位',
|
||
timeStamp: '时间戳：东八区，单位秒',
|
||
sign: '签名',
|
||
);
|
||
},
|
||
),
|
||
ListTile(
|
||
title: Text('拉起小程序'),
|
||
onTap: () {
|
||
WechatKitPlatform.instance.launchMiniProgram(
|
||
userName: kWechatMiniAppID,
|
||
path: 'page/page/index?uid=123',
|
||
type: WechatMiniProgram.kPreview,
|
||
);
|
||
},
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
void _showTips(String title, String content) {
|
||
showDialog<void>(
|
||
context: context,
|
||
builder: (BuildContext context) {
|
||
return AlertDialog(
|
||
title: Text(title),
|
||
content: Text(content),
|
||
);
|
||
},
|
||
);
|
||
}
|
||
}
|
||
|
||
class Qrauth extends StatefulWidget {
|
||
const Qrauth({
|
||
super.key,
|
||
});
|
||
|
||
@override
|
||
State<StatefulWidget> createState() {
|
||
return _QrauthState();
|
||
}
|
||
}
|
||
|
||
class _QrauthState extends State<Qrauth> {
|
||
late final StreamSubscription<WechatQrauthResp> _qrauthRespSubs;
|
||
|
||
Uint8List? _qrcode;
|
||
|
||
@override
|
||
void initState() {
|
||
super.initState();
|
||
_qrauthRespSubs =
|
||
WechatKitPlatform.instance.qrauthRespStream().listen(_listenQrauthResp);
|
||
}
|
||
|
||
void _listenQrauthResp(WechatQrauthResp resp) {
|
||
if (resp is WechatGotQrcodeResp) {
|
||
setState(() {
|
||
_qrcode = resp.imageData;
|
||
});
|
||
} else if (resp is WechatQrcodeScannedResp) {
|
||
if (kDebugMode) {
|
||
print('QrcodeScanned');
|
||
}
|
||
} else if (resp is WechatFinishResp) {
|
||
if (kDebugMode) {
|
||
print('resp: ${resp.errorCode} - ${resp.authCode}');
|
||
}
|
||
}
|
||
}
|
||
|
||
@override
|
||
void dispose() {
|
||
_qrauthRespSubs.cancel();
|
||
super.dispose();
|
||
}
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
return Scaffold(
|
||
appBar: AppBar(
|
||
title: Text('Qrauth'),
|
||
actions: <Widget>[
|
||
TextButton(
|
||
onPressed: () async {
|
||
final WechatAccessTokenResp accessToken =
|
||
await WechatExtension.getAccessToken(
|
||
appId: kWechatAppID,
|
||
appSecret: kWechatAppSecret,
|
||
);
|
||
if (kDebugMode) {
|
||
print(
|
||
'accessToken: ${accessToken.errorCode} - '
|
||
'${accessToken.errorMsg} - '
|
||
'${accessToken.accessToken}',
|
||
);
|
||
}
|
||
final WechatTicketResp ticket = await WechatExtension.getTicket(
|
||
accessToken: accessToken.accessToken!,
|
||
);
|
||
if (kDebugMode) {
|
||
print(
|
||
'accessToken: ${ticket.errorCode} - '
|
||
'${ticket.errorMsg} - '
|
||
'${ticket.ticket}',
|
||
);
|
||
}
|
||
await WechatKitPlatform.instance.startQrauth(
|
||
appId: kWechatAppID,
|
||
scope: <String>[WechatScope.kSNSApiUserInfo],
|
||
noncestr: Uuid().v1().replaceAll('-', ''),
|
||
ticket: ticket.ticket!,
|
||
);
|
||
},
|
||
child: Text('got qr code'),
|
||
),
|
||
],
|
||
),
|
||
body: GestureDetector(
|
||
child: Center(
|
||
child: _qrcode != null ? Image.memory(_qrcode!) : Text('got qr code'),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
}
|