基础页面

lib/models/im/group_card_model.dart

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+import 'dart:convert';
+
+import 'package:chat/models/im/custom_message_model.dart';
+
+class GroupCardModel extends CustomMessageModel {
+  @override
+  String businessID;
+  String groupID;
+  String groupName;
+  String inviterID;
+
+  GroupCardModel({
+    this.businessID = CustomMessageType.GROUP_CARD,
+    required this.groupID,
+    required this.groupName,
+    required this.inviterID,
+  });
+
+  factory GroupCardModel.fromJson(Map<String, dynamic> json) => GroupCardModel(
+        businessID: json['businessID'],
+        groupID: json['groupID'],
+        groupName: json['groupName'],
+        inviterID: json['inviterID'],
+      );
+
+  @override
+  String toJson() => json.encode({
+        'businessID': businessID,
+        'groupID': groupID,
+        'groupName': groupName,
+        'inviterID': inviterID,
+      });
+}