基础页面

lib/models/im/name_card_model.dart

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