升级Flutter 3.0

example/lib/api/tencent_api.dart

@@ -0,0 +1,57 @@
+import 'dart:async';
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:tencent_kit_example/api/model/tencent_api_resp.dart';
+import 'package:tencent_kit_example/api/model/tencent_unionid_resp.dart';
+
+class TencentApi {
+  TencentApi._();
+
+  /// 用户信息
+  /// https://wiki.connect.qq.com/get_user_info
+  static Future<TencentUserInfoResp> getUserInfo({
+    required String appId,
+    required String openid,
+    required String accessToken,
+  }) {
+    return HttpClient().getUrl(Uri.parse('https://graph.qq.com/user/get_user_info?access_token=$accessToken&oauth_consumer_key=$appId&openid=$openid')).then((HttpClientRequest request) {
+      return request.close();
+    }).then((HttpClientResponse response) async {
+      if (response.statusCode == HttpStatus.ok) {
+        final ContentType? contentType = response.headers.contentType;
+        final Encoding encoding = Encoding.getByName(contentType?.charset) ?? utf8;
+        final String content = await encoding.decodeStream(response);
+        return TencentUserInfoResp.fromJson(json.decode(content) as Map<String, dynamic>);
+      }
+      throw HttpException('HttpResponse statusCode: ${response.statusCode}, reasonPhrase: ${response.reasonPhrase}.');
+    });
+  }
+
+  /// UnionID
+  /// https://wiki.connect.qq.com/unionid%E4%BB%8B%E7%BB%8D
+  static Future<TencentUnionidResp> getUnionId({
+    required String accessToken,
+    String unionid = '1',
+  }) {
+    return HttpClient().getUrl(Uri.parse('https://graph.qq.com/oauth2.0/me?access_token=$accessToken&unionid=$unionid')).then((HttpClientRequest request) {
+      return request.close();
+    }).then((HttpClientResponse response) async {
+      if (response.statusCode == HttpStatus.ok) {
+        final ContentType? contentType = response.headers.contentType;
+        final Encoding encoding = Encoding.getByName(contentType?.charset) ?? utf8;
+        final String callback = await encoding.decodeStream(response);
+        // 腾讯有毒 callback( $json );
+        final RegExp exp = RegExp(r'callback\( (.*) \)\;');
+        final Match? match = exp.firstMatch(callback);
+        if (match?.groupCount == 1) {
+          final String? content = match!.group(1);
+          if (content != null) {
+            return TencentUnionidResp.fromJson(json.decode(content) as Map<String, dynamic>);
+          }
+        }
+      }
+      throw HttpException('HttpResponse statusCode: ${response.statusCode}, reasonPhrase: ${response.reasonPhrase}.');
+    });
+  }
+}