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